Improving lifestyle behaviours among women in Kisantu, the Democratic Republic of the Congo: A protocol of a cluster randomised controlled trial

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Study Justification:
– The prevalence of obesity among women of reproductive age is increasing in sub-Saharan Africa, leading to a rise in lifestyle-related conditions.
– The study aims to develop and evaluate a multi-component health promotion program to prevent the onset of type 2 diabetes and gestational diabetes among adult women in Kisantu, the Democratic Republic of the Congo.
Highlights:
– The study is a cluster randomized controlled trial with two groups of three healthcare centers each.
– The intervention group will receive a 24-month multi-component health promotion program based on educational and motivational strategies.
– The comparison group will receive a basic educational strategy only.
– The program will be delivered by trained peer educators and will include individualized education sessions, group activities, and focus groups.
– The primary outcome is the adherence to a healthy lifestyle, measured by a validated questionnaire.
– Secondary outcomes include anthropometric measurements, clinical parameters, diet diversity, and level of physical activity.
– The study has been approved by the Institutional Review Board and the Ethical Committee.
Recommendations:
– Increase the number of women with a healthy lifestyle.
– Reduce the incidence and prevalence of overweight and obesity among women.
– Increase the number of women with a healthy weight gain during pregnancy.
– Improve the usability of data capturing systems for participant follow-up.
– Improve the knowledge among health professionals on effective strategies for the prevention of type 2 diabetes and gestational diabetes.
– Improve the technique and precision of measurements during health visits.
– Improve women’s attendance to antenatal care and have an impact on maternal and neonatal health.
– Promote a healthy lifestyle through community activities.
Key Role Players:
– Principal investigators
– Project managers
– Health professionals
– Peer educators
– Community leaders
– Local project managers
– Health Ministry of the Democratic Republic of the Congo
Cost Items for Planning Recommendations:
– Training for project managers, health professionals, and peer educators
– Printing of educational materials and brochures
– Transportation for peer educators and health professionals
– Equipment for anthropometric measurements (height measuring board, weight scale, measuring tape)
– Glucometer for glycemia assessment
– Blood pressure monitor
– Data management and storage systems
– Compensation for participants, if applicable
– Monitoring and supervision activities
– Community engagement activities, if implemented
Please note that the above cost items are estimates and may vary depending on the specific context and resources available.

The strength of evidence for this abstract is 8 out of 10.
The evidence in the abstract is strong, but there are some areas for improvement. The study design is a cluster randomized controlled trial, which is a robust design for evaluating the effectiveness of interventions. The study aims to develop and evaluate a multi-component health promotion program for a healthy lifestyle to prevent the onset of type 2 diabetes and gestational diabetes among adult women in Kisantu, DRC. The study protocol is well-described, including the recruitment process, intervention components, and outcome measures. The primary outcome is the adherence to a healthy lifestyle, which will be measured using a validated questionnaire. Secondary outcomes include anthropometric measurements, clinical parameters, diet diversity, and physical activity level. The study has obtained ethical approval and written informed consent will be obtained from all participants. However, there are some areas for improvement. The abstract does not provide information on the sample size or the characteristics of the participants. It would be helpful to know the demographics of the study population. Additionally, the abstract does not mention any potential limitations or challenges of the study. It would be beneficial to include this information to provide a more comprehensive understanding of the study. To improve the evidence, the abstract could provide more details on the sample size and participant characteristics, as well as discuss potential limitations and challenges of the study.

Introduction As the prevalence of obesity among women of reproductive age is increasing in sub-Saharan Africa, the burden of lifestyle-related conditions is expected to rise quickly. This study aims to develop and evaluate a multi-component health promotion programme for a healthy lifestyle to ultimately prevent the onset of type 2 diabetes and gestational diabetes among adult women in Kisantu, the Democratic Republic of the Congo. Methods and analysis This study is a cluster randomised controlled trial whereby two groups of three healthcare centres each, matched by population size coverage and geographical area, will be randomised to an intervention or a comparison group. Adult women of reproductive age (18–49 years), non-pregnant or first-trimester pregnant, will be recruited from the healthcare centres. 144 women in the intervention centres will follow a 24-month multi-component health promotion programme based on educational and motivational strategies whereas the comparison centres (144 participants) will be limited to a basic educational strategy. The programme will be delivered by trained peer educators and entails individualised education sessions, education and physical activity group activities, and focus groups. Topics of an optimal diet, physical activity, weight management and awareness of type 2 and gestational diabetes will be covered. The primary outcome is the adherence to a healthy lifestyle measured by a validated closed-ended questionnaire and secondary outcomes include anthropometric measurements, clinical parameters, diet diversity and the level of physical activity. Participants from both groups will be assessed at baseline and every 6 months by trained health professionals from the recruiting healthcare centres. Data will be summarised by measures of central tendency for continuous outcomes, and frequency distribution and percentages for categorical data. The primary and secondary outcomes will be quantified using statistical mixed models. Ethics This research was approved by the Institutional Review Board of the Institute of Tropical Medicine Antwerp in Belgium (IRB/RR/AC/137) and the Ethical Committee of the University of Kinshasa in the Democratic Republic of the Congo (ESP/CE/130/2021). Any substantial change to the study protocol must be approved by all the bodies that have approved the initial protocol, before being implemented. Also, this journal will be informed regarding any protocol modification. Written informed consent will be required and obtained for all participants. No participant may be enrolled on the study until written informed consent has been obtained.

To reduce the incidence of T2D and GDM in a long term, the overall aim of this study is to develop, implement and evaluate a multi-component health promotion programme for healthy living among adult women of reproductive age in Kisantu, DRC. To achieve this overall objective we aim to increase the number of women with a healthy lifestyle, reduce the incidence and prevalence of overweight and obesity among this population and increase the number of women with a healthy weight gain during pregnancy corresponding to their pre-pregnancy BMI. Other supportive objectives embedded in this research include the improvement of the usability of data capturing systems for participant’s follow-up and strategy-adaptation based on data analysis; improving the knowledge among health professionals on effective strategies for the prevention of T2D and GDM and their risk factors; improve the technique and precision of measurements concerning health visits among health professionals; improve women’s attendance to antenatal care (ANC) and therefore have an impact on maternal and neonatal health; promote a healthy lifestyle through the support of community activities. This study is a 2-arm parallel cluster randomised controlled trial (cRCT) whereby two groups of three healthcare centres were randomised to an intervention or a comparison group. The intervention group will be provided with a 24-month multi-component health promotion programme based on educational and motivational strategies whereas the comparison group will be limited to a basic educational strategy only. We have set the duration of the programme to 24 months to guarantee we have sufficient time to witness an improvement in lifestyle and weight control in the participants of the intervened clusters. This trial began in October 2021 and will be finalised in October 2023; recruitment is complete and the study is ongoing. Fig 1 shows the SPIRT diagram for the allocation, enrolment, intervention and assessments according to the most recently approved version of the protocol (current V 2.1; June 2021). Pair matching randomisation will be used to ensure the two groups of three healthcare centres were balanced in terms of population size coverage and geographical area (rural/urban). Such randomisation will be performed manually by creating the two groups of three healthcare centres with matching characteristics followed by randomly assigning the multi-component health promotion programme to one group using a random allocation generator (Fig 2). Investigators of the study will carry out the randomisation process. Due to the nature of this research and the impossibility of masking the programme, this study will not be blinded. Kisantu district is a semi-urban zone located in the province of Kongo Central in the southwest of DRC with, last estimated in 2015, nearly 150,000 inhabitants [17], however, it is expected to reach ~202,000 inhabitants currently. This study will be carried out in six healthcare centres from Kisantu Health District covering approximately 107,000 inhabitants, sharing an integrated strategy ANC and providing care to patients with T2D. Participants will be recruited primarily in the healthcare centres by the health professionals, as women attend frequently due to general consultations for ANC, post-natal care, child monitoring, and vaccinations, among others. In the recruitment process, health professionals will identify potential participants and provide them with information about the study. If interested, participants will be assessed for compliance with the inclusion criteria and requested to provide written informed consent (IC). To be eligible participants must be adult women of reproductive age (18–49 years old) non-pregnant or first-trimester pregnant without a previous diagnosis of type 1 diabetes or T2D (confirmed by a random glucose test carried out during the recruitment process). The exclusion criteria include males, children and adolescents of both sexes (<18 years old), and pregnant women with any type of diabetes; participants with pre-existing severe chronic conditions, such as chronic kidney or liver disease; living outside of the surrounding catchment areas of the 6 healthcare centres; women internally displaced, without a permanent home or identified physical address; women planning to move elsewhere in the following 2 years; and women that do not provide a written IC. The programme will be built on health promotion strategies for T2D and GDM as advised by the WHO [18]. A multi-component health promotion programme will be developed based on educational and motivational strategies and will be delivered by trained peer-educators from the women’s community. Because of the challenges associated with behaviour change, motivational strategies have been identified as an effective means to enhance interventions that aim to promote healthy dietary and/or physical activity habits [19]. During the first year of the programme, the possibility of community activities engagement will be explored, as community participation is a fundamental element for positive public health impact, as well as in reducing the stigma against T2D [20, 21]. If acceptable, community activities will be implemented in the second year of the programme. Programmes based on a multi-component approach have been proven to be the most effective preventive strategies [22], particularly when targeting diet and/or physical activity [23]. The topics and components of the programme will be selected by the health professionals and nutritionists in the research team, after discussing the relevance to the population’s context and agreed upon by all investigators. International recommendations will be the basis of the programme, mainly from the WHO [1, 18, 24–26], the American Heart Association [27–30] and the Harvard T.H. Chan School of Public Health [31], among other international public health institutions [32–35], and will be slightly adapted to the local context, particularly the food items, by health professionals of the Kisantu health area. The topics will include A) Healthy diet: food pyramid, healthy plate portions distribution, type of carbohydrates and fats, healthy cooking techniques including healthy oils; B) Physical activity: definition, types of physical activity, advantages and benefits, examples, and practical physical activity sessions; C) Weight control: strategies, benefits and healthy weight gain during pregnancy; and D) Awareness of T2D and GDM: definition, prevention, management and complications (Table 1). The multi-component programme will consist of 1) four individualised education visits of 30 minutes provided at the participant’s household; and 2) four group activities of 60 minutes duration (one group education session, one motivational group session and two physical activity sessions) organised in the proximity of the healthcare centres. The motivational components of goal setting and the use of the pedometer are incorporated in the individualised education visits. These components will be distributed and carried out during the 24-month programme (Fig 3). Participants will be provided with printed materials, and a reference healthy lifestyle brochure, both at baseline and during the individual education sessions at the household containing a summary of the topics discussed. Additionally, as a process evaluation of the programme, four 60-minute focus groups will be carried out at the healthcare centres aiming at assessing the perception of the programme and identifying barriers to be further addressed. The comparison group will be limited to receiving only the reference healthy lifestyle brochure with general recommendations during the baseline assessment. To directly evaluate the impact of the health promotion programme aiming at instilling healthy living, to ultimately dimmish modifiable risk factors of T2D and GDM, the primary outcome of this study is the adherence to a healthy lifestyle measured by a validated closed-ended questionnaire adapted to the context. This primary outcome was also chosen due to the study’s particular focus on health promotion, particularly by approaching public health from an upstream perspective and expecting to counteract the initiation of unhealthy lifestyle habits, such as sub-optimal diet and physical inactivity. The secondary outcomes include the anthropometric measurements of weight, height, calculated BMI, and waist circumference as well as the clinical indicators of systolic blood pressure (SBP), diastolic blood pressure (DBP) and fasting glycemia in blood. In addition, diet diversity and the level of physical activity will be evaluated. All outcomes will be assessed in all participants from both groups except for waist circumference in pregnant women. At baseline, demographic variables will be collected including age, tobacco and alcohol use, pre-pregnancy weight (exclusively for pregnant women), and known allergies, as well as profession, marital status, spouse’s profession (if married/partnered), number of children, and number of people living in the household. Both the primary and secondary outcomes will be measured at baseline and thereafter every 6 months, providing 5-time points per participant in ideal circumstances. The baseline and follow-up assessments will be conducted by the trained health professional at each healthcare centre. The adherence to a healthy lifestyle will be measured by a closed-ended multiple-choice questionnaire including questions regarding diet and physical activity. The questionnaire was developed in India by Dubasi and co-workers to assess the adherence to dietary and physical activity advice for weight control in lifestyle-related diseases [36]. This tool comprises 14 questions, 12 regarding diet and 2 related to physical activity. Each question has 5 multiple choice answers entailing different frequencies of lifestyle behaviours. The answers to each question will be weighted and assigned with a score based on the relevance and interest of this study, providing a minimum response of 1 and a maximum of 5 points per question. The final score will range between 14–65 points, with lower scores indicating poor adherence to a healthy lifestyle, while a higher score suggests good adherence. The questionnaire has been adapted to the context of DRC by the local health professionals and research team (S2 File). The anthropometric measurements will be performed according to the guidelines for the collection of physical measurements advised by WHO’s STEPwise approach to non-communicable disease (NCDs) risk factor surveillance [37]. Height will be measured in centimetres (cm) using a height measuring board (ADE® Germany GmbH) positioned on a firm surface against a wall. Participants will be asked to remove shoes and headgear, stand on the board facing the back towards the measuring board with feet together, heels against the backboard, knees straight and look straight ahead. The measuring arm will be moved gently until it compresses the hair of the participant, subsequently, the measure will be recorded. Weight will be recorded in kilogrammes (kg) and assessed by a mechanical weight scale (ADE® Germany GmbH) placed on a firm and flat surface. Participants will be asked to remove any footwear and socks, empty pockets and remove any heavy objects like belts, mobiles, wallets, etc. They will be asked to step onto the scale, stand still, face forward, place arms on the side, and wait until asked to step off after the measure has been recorded. BMI will be calculated by dividing the weight in kilogrammes by the height in metres squared. Waist circumference will be measured in centimetres with a measuring tension tape. Ideally, it will be measured without clothing, however, if not possible, the measurement may be taken over light clothing. This measurement will be assessed in cm and the reader will be done at the level of the tape to the nearest 0.1 cm, making sure the tape is snug but not tight enough to compress the skin. Clinical parameters will be assessed following also the guidelines for the collection of physical measurements advised by the WHO STEPwise approach [37]. Glycemia will be assessed by random glucose tests. The device, glucometer (Medisign® GmbH, Germany), instructions and hygienic recommendations will be followed. DBP and SBP evaluation will be via a digital automatic blood pressure monitor (Sanitas® Germany) and following the instructions of the device and cuff application. First, the health professional will place the left arm of the participant on a table with the palm facing upwards, followed by removing or rolling up the clothing on the arm. Later, the appropriate cuff size will be chosen and positioned 1–2 cm above the elbow joint, then the cuff will be wrapped and securely fastened with Velcro. Second, following the instructions of the device, the monitor will be switched on and will start measuring the blood pressure when the pulse has been detected. The SBP and DBP should be displayed in a few seconds, thereafter the readings will be recorded in mmHg. Diet diversity will be assessed by using the minimum dietary diversity for women (MDD-W) developed by the Food and Agriculture Organisation (FAO) of the United Nations [38]. The MDD-W is used as a proxy to describe one important dimension of women’s diet quality based on micronutrient adequacy. This questionnaire is a dichotomous indicator of whether participants have consumed at least five out of ten defined food groups the previous day. The ten defined groups include 1) Grains, white roots and tubers, and plantains; 2) Pulses (beans, peas, and lentils); 3) Nuts and seeds; 4) Dairy; 5) Meat, poultry, and fish; 6) Eggs; 7) Dark green leafy vegetables; 8) Other vitamin A-rich fruits and vegetables; 9) Other vegetables; 10) Other fruits. The level of physical activity of the participants will be assessed by using the short version of the International Physical Activity Questionnaire (IPAQ) [39]. This questionnaire reflects the level of physical activity through the evaluation of the frequency, duration and type of physical activity performed. This tool comprises seven questions and collects information on physical activity involved in the domains of leisure time, domestic and gardening activities, and work-related and transport-related activities. Consequently, the Metabolic Equivalent (MET) per week will be calculated allowing to determine and classify the weekly level of physical activity (low/medium/high) of the participant. To explore the feasibility of complementing the multi-component intervention programme with community-based activities, closed-ended Likert scale questionnaires with an agreement scale (Strongly disagree (1), disagree (2), undecided (3), agree (4), strongly agree (5)) will be performed twice during the first year of intervention. If acceptable and feasible, activities engaging the community will be integrated into the intervention programme and delivered exclusively to the intervention group. These activities will be guided by a designated volunteer among the community leaders, and preferably a participant in the intervention group. The designated community leader will oversee organising and promoting healthy lifestyle activities with support from the peer educators and other involved team members. Potential activities to be integrated include, but are not limited to, promoting physical activity (e.g. walking pathway), sharing healthy cooking recipes and experiences, and healthy lifestyle education involving children and family, among others. This study will be monitored following regulations applicable to clinical trials and standard operation procedures (SOPs) for training, recruitment, intervention programme, assessments and data management developed by the investigators. The quality of the study implementation will be supervised by the principal investigators every 3 months and monthly by the local project managers. Additionally, this study has the support of the Health Ministry of DRC and personnel from Kisantu’s health district are involved in the monitoring of the study. Procedures for potential drop-outs are envisioned. When the health professional or peer educator has no news of the participants after six months (follow-up assessment), the health professional must make every effort to contact the participant by telephone to determine the reason for missing the follow-up assessment. If no news of the participant for one year and/or the participant missed two follow-up assessments, the health professional must make every effort again to contact the participant to establish the reason for the discontinuation of the study and to suggest and request the participant to attend an end-of-study visit that will include the final assessment. If all these attempts to contact the participant fail, the investigator can then declare the participant “drop-out”. To ensure high-quality research, different steps have been undertaken. Project managers were firstly trained by principal investigators in all aspects of the study including adherence to the protocol and procedures, assessment of outcomes and intervention programme procedures and delivery. Furthermore, the project managers will recruit 12 health professionals, 2 from each healthcare centre, and provide a 5-day training on their roles and responsibilities, adherence to the protocol, and assessment of outcomes. Similarly, 6 peer educators, 2 from each healthcare centre from the intervention group, will be trained also in their roles and responsibilities, adherence to the protocol and particularly on the intervention programme procedures and delivery. Both, health professionals and peer educators, will be provided with guidelines including all the procedures of the study. If needed, additional training for reinforcing adherence to the protocol, assessments or intervention procedures and delivery will be provided throughout the study period. Data quality control will be performed every 6 months after each assessment has been carried out. Data will be assessed for completeness, consistency, accuracy, and cleanness. Moreover, the information collected by the focus groups will provide the investigators and project managers with a qualitative assessment of the intervention from the point of view of the participants which will be discussed and considered for further improvements. Evidence measuring changes in lifestyle habits using a similar score scale has reported a 20% differential improvement between intervention and comparison groups from baseline to follow-up after 8 months [40]. Moreover, interventions concerning dietary and physical activity improvements have described intra-class correlation coefficients (ICC) ranging between 0.007–0.3 [41, 42]. In line with the previous evidence and the demographics of the study, we have conducted a power estimation based on the assumptions of 144 participants per arm (288 participants in total divided into 6 healthcare centres), a target improvement of 12% (equivalent to + 6 score points) in the primary outcome between the groups, effect size of 0.7, ICC of 0.1, and 20% loss to follow-up to consider individual drop-outs. Based on the previously stated and considering a 95% level of significance (one-sided), the estimated sample size would provide a power of 91% to detect the improvement foreseen. Considering the same scenario plus the possibility of the withdrawal of one healthcare centre, a power of 85% would be reached. The power calculation was performed in STATA with the specification for cluster-randomised designs. After the initiation of the study, demographic characteristics will be reported as measures of central tendency (mean and SD or median and interquartile range) for continuous outcomes and frequency distribution and percentages for categorical data. Group differences in baseline values and demographics will be compared with t-tests or chi-square statistics. The analyses will be conducted based on the intention-to-treat principle. Primary and secondary outcomes will be evaluated for normality by the Kolmogorov-Simonov test and visual inspection of histograms. To evaluate whether the intervention group has a greater improvement in the lifestyle questionnaire score than the comparison group after the intervention programme, we will use mixed models for longitudinal data to account for repeated measurements of the primary outcome, where the intervention group will be specified as a fixed effect and adjusted for the relevant covariates, and healthcare centres will be handled as random effects; unstructured covariance matrix will be used. To assess the changes in the secondary outcomes, the same approach will be used for anthropometric measurements, clinical parameters, diet diversity and level of physical activity. Potential exploratory analyses include subgroup analyses based on pregnancy status, and categories of lifestyle adherence score, BMI and glycemia. A p<0.05 will be considered statistically significant for all tests. Multiple comparisons will be adjusted by Bonferroni’s method. Missing data will be handled by multiple imputations, if necessary. Data will be captured in a Microsoft Excel database template developed by the Institute of Tropical Medicine. All analyses will be conducted using STATA (Release 16/SE. College Station, TX: StataCorp LP). This research was approved by the Institutional Review Board of the Institute of Tropical Medicine Antwerp in Belgium (IRB/RR/AC/137) and the Ethical Committee of the University of Kinshasa in DRC (ESP/CE/130/2021). Any substantial change to the study protocol must be approved by all the bodies that have approved the initial protocol, before being implemented. Also, this journal will be informed regarding any protocol modification. Written informed consent will be required and obtained for all participants. No participant may be enrolled on the study until written informed consent has been obtained. All information will be kept confidential and securely stored. The privacy and confidentiality of the participants will be assured by anonymous IDs and coding techniques for traceable information. All study-related documents and data will be stored in a secured location and access will be granted to only those involved in the research. Participants are subject to minimal risk in this trial as the intervention program compromises a lifestyle modification program through education and motivational strategies.

The study described aims to develop and evaluate a multi-component health promotion program for a healthy lifestyle to prevent the onset of type 2 diabetes (T2D) and gestational diabetes (GDM) among adult women in Kisantu, the Democratic Republic of the Congo. The program includes educational and motivational strategies delivered by trained peer educators. Here are some potential innovations that could be used to improve access to maternal health in this context:

1. Mobile Health (mHealth) Technology: Utilize mobile phones or other digital devices to deliver health information, reminders, and support to pregnant women and new mothers. This could include text messages, mobile apps, or interactive voice response systems.

2. Telemedicine: Implement telemedicine services to provide remote consultations and support for pregnant women, allowing them to access healthcare professionals without the need for travel or in-person visits.

3. Community Health Workers: Train and deploy community health workers to provide education, counseling, and support to pregnant women and new mothers in their own communities. These workers can help bridge the gap between healthcare facilities and the community, improving access to maternal health services.

4. Group Antenatal Care: Offer group antenatal care sessions where pregnant women can receive education, support, and health assessments in a group setting. This approach can improve access to care, provide social support, and enhance women’s knowledge and self-efficacy.

5. Financial Incentives: Provide financial incentives or conditional cash transfers to pregnant women who attend antenatal care visits, complete recommended screenings, or adopt healthy behaviors. This can help overcome financial barriers and improve access to maternal health services.

6. Transportation Support: Address transportation barriers by providing transportation vouchers, arranging community transportation services, or partnering with local transportation providers to ensure pregnant women can easily access healthcare facilities.

7. Maternal Health Education Campaigns: Conduct targeted education campaigns to raise awareness about the importance of maternal health and promote healthy behaviors during pregnancy. This can be done through various channels, such as radio, television, community events, and social media.

8. Task Shifting: Train and empower non-specialist healthcare providers, such as nurses or midwives, to deliver certain aspects of maternal health care, such as antenatal care visits or postnatal care. This can help alleviate the shortage of specialized healthcare providers and improve access to essential services.

9. Quality Improvement Initiatives: Implement quality improvement initiatives in healthcare facilities to ensure that maternal health services are delivered in a timely, respectful, and effective manner. This can involve training healthcare providers, improving infrastructure and equipment, and strengthening referral systems.

10. Partnerships and Collaboration: Foster partnerships and collaboration between healthcare facilities, community organizations, and other stakeholders to collectively address barriers to maternal health access. This can involve sharing resources, coordinating services, and advocating for policy changes to improve maternal health outcomes.

These innovations can help improve access to maternal health services, promote healthy behaviors, and ultimately reduce the incidence of T2D and GDM among women in Kisantu, the Democratic Republic of the Congo.
AI Innovations Description
The recommendation to improve access to maternal health in this study is to develop and implement a multi-component health promotion program for healthy living among adult women of reproductive age in Kisantu, the Democratic Republic of the Congo. The program aims to increase the number of women with a healthy lifestyle, reduce the incidence and prevalence of overweight and obesity, and increase the number of women with a healthy weight gain during pregnancy.

The program will be based on educational and motivational strategies and will be delivered by trained peer educators. It will include individualized education sessions, group activities, and focus groups covering topics such as optimal diet, physical activity, weight management, and awareness of type 2 diabetes and gestational diabetes.

The primary outcome of the program will be the adherence to a healthy lifestyle, measured by a validated questionnaire. Secondary outcomes will include anthropometric measurements, clinical parameters, diet diversity, and the level of physical activity.

The program will be implemented as a cluster randomized controlled trial, with two groups of three healthcare centers each. One group will receive the multi-component health promotion program, while the other group will receive a basic educational strategy.

The study will be monitored for quality and data will be analyzed using statistical mixed models. The research has been approved by the Institutional Review Board and the Ethical Committee, and written informed consent will be obtained from all participants.

Overall, this recommendation suggests developing and implementing a comprehensive health promotion program to improve access to maternal health by promoting healthy lifestyle behaviors among women in Kisantu, the Democratic Republic of the Congo.
AI Innovations Methodology
The study described aims to develop and evaluate a multi-component health promotion program for a healthy lifestyle to prevent the onset of type 2 diabetes (T2D) and gestational diabetes (GDM) among adult women in Kisantu, the Democratic Republic of the Congo (DRC). The program includes educational and motivational strategies delivered by trained peer educators and covers topics such as optimal diet, physical activity, weight management, and awareness of T2D and GDM.

To simulate the impact of these recommendations on improving access to maternal health, a cluster randomized controlled trial (cRCT) methodology is being used. The study involves two groups of three healthcare centers each, matched by population size coverage and geographical area. One group is assigned to the intervention, which includes a 24-month multi-component health promotion program, while the other group receives a basic educational strategy only.

The primary outcome of the study is the adherence to a healthy lifestyle, which will be measured using a validated closed-ended questionnaire. Secondary outcomes include anthropometric measurements, clinical parameters, diet diversity, and the level of physical activity. Participants from both groups will be assessed at baseline and every 6 months by trained health professionals.

The study will use statistical mixed models to quantify the primary and secondary outcomes. Data will be summarized using measures of central tendency for continuous outcomes and frequency distribution and percentages for categorical data. The intervention group will be compared to the comparison group to evaluate the impact of the health promotion program.

Ethical approval has been obtained for the study, and written informed consent will be obtained from all participants. Data will be kept confidential and securely stored. The study will follow regulations applicable to clinical trials and standard operating procedures for training, recruitment, intervention program, assessments, and data management.

Overall, this study aims to improve access to maternal health by developing and implementing a multi-component health promotion program for healthy living among adult women in Kisantu, DRC. The impact of the program will be evaluated using a cluster randomized controlled trial methodology, with a focus on improving lifestyle behaviors and reducing the incidence of T2D and GDM.

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