From: Independent and combined effects of physical activity and body mass index on the development of Type 2 Diabetes – a meta-analysis of 9 prospective cohort studies
Body mass index on T2D
Model 1a
Model 2b
N
HR
95 % CI
Heterogeneity p-value
Normal weight
9
1.00
Overweight
2.46
2.07–2.91
2.33
1.95–2.78
0.096
Obesity
6.68
4.94–9.03
6.10
4.63–8.04
<.0001