Table 2.

Age-adjusted and multivariable RRs of prostate cancer according to baseline nonoccupational physical activity: the NLCS, 1986-1995

CasesPYRR*RRL 95% CIH 95% CIPtrend
Total nonoccupational physical activity (min/d)
    <302455,0141.001.000.67
    30-604178,5421.010.990.791.23
    61-902695,0611.191.190.941.52
    >904218,4170.991.010.811.25
Daily biking/walking (min/d)
    <104939,4621.001.000.50§
    10-302775,9921.000.92§0.75§1.14§
    31-603326,1701.131.13§0.93§1.38§
    >602505,4090.830.85§0.69§1.05§
Gardening/doing odd jobs (h/wk)
    <14038,0801.001.000.90
    1-22885,6691.131.080.881.34
    >266413,3081.011.000.841.19
Sports/gymnastics (h/wk)
    <11,10422,4381.001.000.30
    1-21432,3891.351.301.011.67
    >21082,2291.061.040.791.36
  • * Age-adjusted.

  • Reference category.

  • Multivariable analysis adjusted for age (y), alcohol intake from wine (g ethanol/d), BMI (kg/m2), energy intake (kcal/d), family history (no/yes), level of education (low, medium, and high).

  • § Multivariable analysis adjusted for age (y), alcohol intake from wine (g ethanol/d), BMI (kg/m2), energy intake (kcal/d), family history (no/yes), level of education (low, medium, and high), gardening/doing odd jobs (<1, 1-2, >2 h/wk), and sport/gymnastics (<1, 1-2, >2 h/wk).

  • Multivariable analysis adjusted for age (y), alcohol intake from wine (g ethanol/d), BMI (kg/m2), energy intake (kcal/d), family history (no/yes), level of education (low, medium, and high), daily biking/walking (<10, 10-30, 31-60, >60 min/d), and sport/gymnastics (<1, 1-2, >2 h/wk).

  • Multivariable analysis adjusted for age (y), alcohol intake from wine (g ethanol/d), BMI (kg/m2), energy intake (kcal/d), family history (no/yes), level of education (low, medium, and high), biking/walking (<10, 10-30, 31-60, >60 min/d), and gardening/doing odd jobs (<1, 1-2, >2 h/wk).