Table 2 Age-adjusted and multivariate rate ratios for total, localised, advanced and fatal prostate cancer according to quartiles of lifetime (age 30 and 50 years, and current age) average total physical activity levels
From: A prospective study of lifetime physical activity and prostate cancer incidence and mortality
Lifetime average total physical activity, MET-hours/day | |||||
|---|---|---|---|---|---|
Q1, <39 (37) | Q2, 39–42.4 (41) | Q3, 42.5–46 (44) | Q4, >46 (48) | P -trend | |
Total-incidence prostate cancer | |||||
No. of cases | 419 | 414 | 447 | 429 | |
Age-adjusted RR (95% CI) | 1 | 0.86 (0.75–0.98) | 0.91 (0.79–1.04) | 0.83 (0.73–0.96) | 0.030 |
Multivariate RR (95% CI)a | 1 | 0.86 (0.75–0.99) | 0.91 (0.79–1.05) | 0.84 (0.73–0.98) | 0.065 |
Localised | |||||
No. of cases | 188 | 162 | 156 | 182 | |
Age-adjusted RR (95% CI) | 1 | 0.74 (0.60–0.91) | 0.70 (0.56–0.86) | 0.78 (0.64–0.96) | 0.045 |
Multivariate RR (95% CI)a | 1 | 0.75 (0.61–0.93) | 0.73 (0.58–0.91) | 0.82 (0.66–1.03) | 0.184 |
Advanced | |||||
No. of cases | 133 | 155 | 172 | 126 | |
Age-adjusted RR (95% CI) | 1 | 0.97 (0.77–1.23) | 1.05 (0.84–1.32) | 0.73 (0.57–0.94) | 0.014 |
Multivariate RR (95% CI)a | 1 | 0.98 (0.78–1.25) | 1.07 (0.84–1.36) | 0.75 (0.58–0.98) | 0.035 |
Fatal prostate cancer | |||||
No. of cases | 20 | 25 | 27 | 28 | |
Age-adjusted RR (95% CI) | 1 | 0.97 (0.54–1.75) | 1.02 (0.57–1.82) | 0.99 (0.56–1.78) | 0.989 |
Multivariate RR (95% CI)a | 1 | 0.96 (0.53–1.75) | 1.02 (0.55–1.87) | 0.98 (0.53–1.83) | 0.999 |
