Table 2.

Relative risk of prostate cancer by stage and quintiles of cumulative updated dietary prudent and western pattern scores (Health Professionals Follow-up Study, 1986-2000)

Quintile prudent pattern score
P for trend
1 (low)2345 (high)
Prudent pattern
    Total prostate cancer
        Cases/person-years474/12,0662545/120,012680/119,486658/118,527645/117,762
        Age-adjusted RR1.000.98 (0.87-1.11)1.12 (0.99-1.26)1.01 (0.90-1.14)0.95 (0.84-1.07)0.36
        Multivariate RR*1.000.97 (0.86-1.10)1.10 (0.98-1.24)1.01 (0.90-1.14)0.95 (0.84-1.07)0.37
    Organ-confined prostate cancer
        Cases/person-years275/120,662304/120,012396/119,486368/118,527353/117,762
        Age-adjusted RR1.000.96 (0.81-1.13)1.14 (0.98-1.33)0.99 (0.85-1.17)0.91 (0.78-1.07)0.28
        Multivariate RR*1.000.93 (0.79-1.09)1.09 (0.93-1.28)0.97 (0.82-1.13)0.89 (0.76-1.05)0.15
    Advanced prostate cancer
        Cases/person-years77/120,66280/120,012111/119,486103/118,527113/117,762
        Age-adjusted RR1.000.91 (0.64-1.30)1.02 (0.72-1.43)1.05 (0.76-1.47)1.01 (0.73-1.41)0.89
        Multivariate RR*1.000.89 (0.65-1.22)1.12 (0.84-1.51)0.98 (0.73-1.34)1.05 (0.78-1.42)0.60
Western pattern
    Total prostate cancer
        Cases/person-years678/117,816629/118,960608/119,767556/120,049531/119,858
        Age-adjusted RR1.000.99 (0.89-1.10)1.03 (0.93-1.15)1.01 (0.90-1.13)1.02 (0.91-1.15)0.66
        Multivariate RR*1.000.98 (0.88-1.10)1.03 (0.92-1.16)1.00 (0.89-1.13)1.02 (0.91-1.15)0.62
    Organ-confined prostate cancer
        Cases/person-years375/117,816362/118,960352/119,767308/120,049299/119,858
        Age-adjusted RR1.001.02 (0.89-1.18)1.07 (0.83-1.43)0.99 (0.85-1.16)1.01 (0.86-1.18)0.94
        Multivariate RR*1.001.02 (90.88-1.18)1.08 (0.93-1.25)1.00 (0.85-1.16)1.05 (0.90-1.23)0.63
    Advanced prostate cancer
        Cases/person-years108/117,81693/118,960101/119,76788/120,04994/119,858
        Age-adjusted RR1.000.93 (0.70-1.22)1.09 (0.83-1.43)1.02 (0.77-1.36)1.16 (0.88-1.53)0.20
        Multivariate RR*1.000.90 (0.68-1.19)1.07 (0.81-1.41)1.01 (0.76-1.35)1.14 (0.85-1.53)0.28
  • NOTE: Numbers in parentheses are 95% CIs.

  • * Models adjusted for age, height, smoking, family history of prostate cancer, race, history of vasectomy, vigorous exercise, body mass index, alcohol intake, and total energy intake.