Total cost for all healthcare usage adjusted for confounders and comorbidities
| Body mass index | Model 1 | Model 2 |
|---|---|---|
| RR (95% CI) | RR (95% CI) | |
| <25 | 1 | 1 |
| 25–29.9 | 1.23 (1.230 to 1.233) | 1.23 (1.22 to 1.23) |
| >29.9 | 1.37 (1.37 to 1.38) | 1.39 (1.38 to 1.39) |
Model 1: adjusted for age, ethnicity and parity.
Model 2: adjusted for age, ethnicity, parity and comorbidity.
RR, rate ratio.