Table 3.
Hazard ratios for mortality associated with categories of body mass index
| HR(95% CI), p-value | HR* (95% CI), p-value | p-value for sex interaction* | ||
|---|---|---|---|---|
| Body Mass Index categories (kg/m2) | WOMEN | MEN | ||
| All cause mortality | <18.5 | 1.78 (0.91–3.49), 0.09 | 1.72 (0.99–2.99), 0.06 | 0.83 |
| 18.5 – 24.9 | 1.0 | 1.0 | ||
| 25.0 – 29.9 | 0.84 (0.66–1.06), 0.14 | 0.97 (0.84–1.11), 0.65 | 0.20 | |
| ≥ 30.0 | 1.53 (1.11–2.12), 0.01 | 1.22 (0.92–1.61), 0.17 | 0.41 | |
| CVD mortality | <18.5 | 0.97 (0.24–3.95), 0.09 | 0.26 (0.04–1.86), 0.18 | 0.34 |
| 18.5 – 24.9 | 1.0 | 1.0 | ||
| 25.0 – 29.9 | 0.91 (0.64–1.31), 0.63 | 1.02 (0.84–1.25), 0.82 | 0.58 | |
| ≥ 30.0 | 2.23 (1.42–3.49), <0.001 | 1.32 (0.90–1.94), 0.16 | 0.15 | |
| CHD mortality | <18.5 | 0.0 | 0.40 (0.06–2.86), 0.36 | 0.97 |
| 18.5 – 24.9 | 1.0 | 1.0 | ||
| 25.0 – 29.9 | 1.13 (0.69–1.86), 0.63 | 1.07 (0.83–1.37), 0.61 | 0.94 | |
| ≥ 30.0 | 1.90 (0.97–3.74), 0.06 | 1.59 (1.02–2.49), 0.04 | 0.85 | |
| Stroke mortality | <18.5 | 0.0 | 0.0 | - |
| 18.5 – 24.9 | 1.0 | 1.0 | ||
| 25.0 – 29.9 | 0.72 (0.36–1.42), 0.34 | 0.97 (0.60–1.55), 0.90 | 0.53 | |
| ≥ 30.0 | 2.42 (1.12–5.24), 0.02 | 1.02 (0.36–2.88), 0.97 | 0.21 | |
| Cancer mortality | <18.5 | 2.60 (0.94–7.19), 0.07 | 3.05 (1.33–6.96), 0.008 | 0.72 |
| 18.5 – 24.9 | 1.0 | 1.0 | ||
| 25.0 – 29.9 | 0.72 (0.45–1.14), 0.15 | 0.93 (0.71–1.23), 0.62 | 0.24 | |
| ≥ 30.0 | 1.19 (0.64–2.22), 0.58 | 1.18 (0.67–2.06), 0.57 | 0.99 | |
| Respiratory mortality | <18.5 | 7.14 (0.86–58.9), 0.07 | 5.16 (1.84–14.5), 0.002 | 0.40 |
| 18.5 – 24.9 | 1.0 | 1.0 | ||
| 25.0 – 29.9 | 0.67 (0.17–2.60), 0.56 | 1.12 (0.76–1.64), 0.57 | 0.32 | |
| ≥ 30.0 | 1.74 (0.36–8.38), 0.49 | 0.71 (0.25–1.97), 0.51 | 0.59 |
*
p-values are for separate BMI categories in order to assess sex interactions in underweight, overweight and obese participants separately