Type 2 & other diabetes

Faith-Based Lifestyle Intervention for Diabetes Prevention Among Adults in Bangladesh: A Cluster Randomized Clinical Trial

JAMA Netw OpenPublished Randomised controlled trial

Authors' conclusion

In this cluster RCT involving adults with prediabetes, a culturally adapted, mosque-based lifestyle intervention significantly reduced T2D incidence over 12 months in rural Bangladesh. These results demonstrate the potential for scalable and cost-effective diabetes prevention programs in low-resource, Muslim-majority communities.

Study context

Population
Adults aged 25–65 years with prediabetes (WHO criteria) in rural Bangladesh, 5 districts; mean age 46.2 years, 53.1% women641 analysed
Participants
799 adults
Comparison
Mosque-based, faith-integrated lifestyle intervention vs usual care
  • Interventionn = 341
  • Controln = 300reference
Primary endpoint
Cumulative incidence of T2D
Follow-up
12 months
Methodological detailsparallel-group, cluster randomized, 8 rural mosque clusters
  • Parallel-group
  • Cluster randomized
  • 8 rural mosque clusters

Primary result

As reported in the abstract

Cumulative T2D incidence
Intervention vs ControlHazard ratio (95% CI)P value
Cox regression adjusted for clustering
0.75(0.60–0.95)
P = 0.02
Lower with Intervention
absolute risk reduction 7.3 percentage points (95% CI 5.2–10.6)
Lower with Intervention
relative risk reduction 42.5% (95% CI 15.0%–70.0%)
Cumulative T2D incidence
NNT 14 (95% CI 9–39)

Secondary outcomes

Weight, body mass index (BMI), fasting glucose, 2-h glucose, HbA1c, lipids, diabetes knowledge, physical activity, quality of life

Improved significantly more with Intervention vs Control

Original publication

Faith-Based Lifestyle Intervention for Diabetes Prevention Among Adults in Bangladesh: A Cluster Randomized Clinical Trial. JAMA Netw Open. Published 1 October 2025. doi:10.1001/jamanetworkopen.2025.38101

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