Higher population density protects from type 1 diabetes? Dissecting the literature through meta-analysis
Authors' conclusion
Our results are not in line with the view that urbanization would systematically increase the risk of type 1 diabetes and highlight the variability of the association among geographic regions.
Study context
- Population
- Studies of population density and T1D risk, literature up to February 22, 2025; 14 countries18 studies, T1D cases
- Participants
- 82,493 participants
- Comparison
- Higher vs lower population density
- Outcome
- Risk of T1D
Pooled result
As reported in the abstract
Association between population density and T1D risk
Inverse association between population density and T1D risk: RR (95% CI), P
0.86
0.81, 0.91P < 0.001
Original publication
Higher population density protects from type 1 diabetes? Dissecting the literature through meta-analysis. Diabetes Res Clin Pract. Published 22 May 2025. doi:10.
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