Table 5.
Variables | Univariate, RR (95% CI) | P | Multivariate, RR (95% CI) | P |
---|---|---|---|---|
Breast cance | ||||
No | 1.0 | 1.0 | ||
Yes | 1.8 (1.4–2.5) | .0001 | 1.9 (1.3–2.6) | .0003 |
BMI at age 40 years | ||||
<25 | 1.0 | 1.0 | ||
>25 | 4.4 (3.1–6.2) | <.0001 | 4.2 (3.0–6.0) | .0001 |
BMI indicates body mass index; RR, relative risk; CI, confidence interval.