Relation of BHR, in approximate doubling dose units of PD20, to body mass index, estimated by random effects meta-analysis of regression coefficients across 34 centres. All analyses adjusted for independent variables as described in text
| Men | Women | |||
|---|---|---|---|---|
| Body mass index in model | Estimate | 95% CI | Estimate | 95% CI |
| As continuous variable | −0.031 | −0.050 to −0.011 | −0.016 | −0.037 to 0.005 |
| As categorical variable | ||||
| Underweight <20 | 0.016 | −0.232 to 0.264 | 0.165 | −0.008 to 0.338 |
| Normal weight 20–<25 (reference group) | 0 | 0 | ||
| Overweight 25–<30 | −0.081 | −0.213 to 0.051 | −0.170 | −0.363 to 0.023 |
| Obese 30+ | −0.327 | −0.591 to −0.063 | 0.044 | −0.255 to 0.344 |