Table 4.

HRs with 95% CIs (crude, age-adjusted, and multivariable-adjusted with no lag-time and 18-month lag-time) for prostate cancer–specific mortality by type of activity

ActivityHR crude (95% CI)HR age-adjusted (95% CI)HR adjusteda (95% CI)HR-adjusted lag 18 mo (95% CI)
Total number of deaths (n)194194144118
Total recreational MET-h/d
 <51.001.001.001.00
 ≥50.71 (0.52–0.96)0.71 (0.53–0.97)0.78 (0.55–1.11)0.90 (0.60–1.34)
Walking/bicycling after diagnosis
 <20 min/d1.001.001.001.00
 ≥20 min/d0.56 (0.42–0.75)0.56 (0.42–0.76)0.61 (0.43–0.87)0.64 (0.43–0.94)
Household work after diagnosis
 <1 h/d1.001.001.001.00
 ≥1 h/d0.79 (0.52–1.05)0.79 (0.59–1.05)0.86 (0.61–1.20)1.00 (0.68–1.45)
Exercise after diagnosis
 <1 h/wk1.001.001.001.00
 ≥1 h/wk0.56 (0.42–0.74)0.57 (0.43–0.76)0.68 (0.48–0.94)0.73 (0.50–1.05)

Abbreviation: CI, confidence interval.

  • aAdjusted for age at diagnosis (5-year intervals), Gleason score (<6, 6, >6), primary treatment, serum PSA (continuous), BMI at diagnosis (<25, 25–<30, ≥30 kg/m2), and weight change (>5% increase, >5% decrease, no change).