Table 3.
Hazard ratios for cancer mortality according to combined body mass index and cardiorespiratory fitness groups
| Variable | N | Man-years | No. of cancer deaths | Age adjusted hazard ratio | Multivariable hazard ratio |
|---|---|---|---|---|---|
| (95% CI) | (95% CI) | ||||
| 1st tertile of BMI (18.5-21.5 kg · m-2) | |||||
| Low fitness | 484 | 9,578 | 15 | 1.18 (0.62 - 2.26) | 1.13 (0.59 - 2.17) |
| Moderate fitness | 996 | 20,029 | 25 | 0.97 (0.55 - 1.70) | 0.90 (0.51 - 1.58) |
| High fitness | 1,366 | 27,505 | 22 | 0.73 (0.40 - 1.30) | 0.70 (0.39 - 1.26) |
| P for trend | 0.141 | 0.145 | |||
| 2nd tertile of BMI (21.6-23.6 kg · m-2) | |||||
| Low fitness | 824 | 16,606 | 23 | 1.00 (Reference) | 1.00 (Reference)a |
| Moderate fitness | 1,117 | 22,734 | 22 | 0.72 (0.40 - 1.30) | 0.70 (0.39 - 1.27) |
| High fitness | 1,015 | 20,531 | 11 | 0.45 (0.22 - 0.93) | 0.47 (0.23 - 0.97) |
| P for trend | 0.027 | 0.037 | |||
| 3rd tertile of BMI (23.7-37.4 kg · m-2) | |||||
| Low fitness | 1,511 | 30,304 | 34 | 0.81 (0.48 - 1.37) | 0.82 (0.48 - 1.39) |
| Moderate fitness | 907 | 18,469 | 17 | 0.66 (0.35 - 1.24) | 0.66 (0.36 - 1.24) |
| High fitness | 540 | 10,979 | 9 | 0.54 (0.25 - 1.17) | 0.54 (0.25 - 1.17) |
| P for trend | 0.254 | 0.267 |
BMI, body mass index.
Low fitness: 1st tertile of fitness, Moderate fitness: 2nd tertile of fitness, High fitness: 3rd tertile of fitness.
aAdjusted for age, systolic blood pressure, cigarette smoking, and alcohol intake.