Table 2.

RRs (95% CIs) for meat intakes and risk of prostate cancer

VariableMedian (g/d)All cases (n = 668)*
Incident cases (n = 613)*
Advanced cases (n = 140)*
Cases (n)RR (95% CI)Cases (n)RR (95% CI)Cases (n)RR (95% CI)
Total meat (g/d)
    Q1 (reference)33.81531.001411.00261.00
    Q255.31441.16 (0.92-1.46)1271.12 (0.88-1.42)281.27 (0.72-2.17)
    Q374.91451.19 (0.95-1.50)1351.22 (0.96-1.54)361.56 (0.94-2.60)
    Q497.91241.11 (0.87-1.41)1161.14 (0.88-1.46)311.38 (0.81-2.35)
    Q5140.71021.04 (0.80-1.35)941.06 (0.81-1.38)190.93 (0.51-1.70)
    P for trend0.930.710.80
Red meat (g/d)
    Q1 (reference)23.21581.001451.00281.00
    Q242.51591.30 (1.04-1.62)1431.28 (1.15-1.62)301.21 (0.72-2.05)
    Q360.91331.15 (0.91-1.46)1211.15 (0.90-1.48)331.31 (0.78-2.21)
    Q481.61131.09 (0.85-1.40)1091.16 (0.90-1.50)281.20 (0.70-2.06)
    Q5122.31051.10 (0.85-1.43)951.11 (0.84-1.46)210.89 (0.50-1.60)
    P for trend0.920.760.59
Chicken (g/d)
    Q1 (reference)2.81621.001501.00311.00
    Q210.31640.95 (0.77-1.19)1520.95 (0.76-1.20)401.27 (0.79-2.03)
    Q312.01211.28 (1.00-1.62)1081.24 (0.96-1.59)311.92 (1.15-3.21)
    Q424.01541.14 (0.91-1.43)1421.14 (0.90-1.44)221.02 (0.59-1.78)
    Q542.0671.04 (0.78-1.39)611.02 (0.76-1.39)161.65 (0.90-3.04)
    P for trend0.490.570.36
Bacon/sausage (g/d)
    Q1 (reference)0.02171.002021.00581.00
    Q22.71271.00 (0.80-1.26)1180.99 (0.79-1.25)280.91 (0.57-1.44)
    Q34.71120.98 (0.78-1.25)1040.96 (0.75-1.23)220.74 (0.45-1.24)
    Q49.4720.97 (0.73-1.27)640.90 (0.67-1.20)110.55 (0.28-1.07)
    Q517.21400.98 (0.78-1.24)1250.90 (0.70-1.15)210.69 (0.40-1.18)
    P for trend0.830.330.11
Beef steaks (g/d)
    Q1 (reference)4.21781.001631.00331.00
    Q210.51761.11 (0.90-1.38)1611.11 (0.89-1.39)351.17 (0.72-1.91)
    Q318.01791.00 (0.80-1.26)1611.00 (0.78-1.26)411.16 (0.70-1.92)
    Q436.0951.08 (0.82-1.42)901.12 (0.84-1.49)231.20 (0.67-2.15)
    Q563.0401.03 (0.71-1.49)381.06 (0.73-1.56)80.87 (0.38-1.99)
    P for trend0.900.670.84
Pork chops/ham steaks (g/d)
    Q1 (reference)3.31731.001551.00351.00
    Q28.31680.96 (0.77-1.20)1551.00 (0.80-1.27)340.89 (0.54-1.45)
    Q314.31970.99 (0.79-1.24)1831.06 (0.83-1.35)410.88 (0.54-1.46)
    Q416.0111.03 (0.55-1.95)101.05 (0.55,2.04)20.45 (0.10-1.91)
    Q528.61191.00 (0.76-1.29)1101.05 (0.79-1.38)281.08 (0.62-1.89)
    P for trend0.980.700.72
Hamburgers (g/d)
    Q1 (reference)8.32241.002071.00351.00
    Q214.31501.06 (0.85-1.32)1351.04 (0.88-1.31)301.15 (0.69-1.93)
    Q328.61481.01 (0.81-1.29)1331.00(0.78-1.28)441.42 (0.87-2.33)
    Q450.01121.08 (0.84-1.42)1051.12 (0.85-1.46)231.01 (0.57-1.81)
    Q578.6341.06 (0.72-1.57)331.13 (0.76-1.69)81.08 (0.48-2.44)
    P for trend0.700.410.94
  • NOTE: All cases refer to total incident cases; incident cases refer to those diagnosed after 1 year of follow-up; advanced cases defined as those classified as disease stage III or IV.

  • * Adjusted for age, state of residence (Iowa or North Carolina), race (White, Black, other, and missing), family history of prostate cancer (yes/no), and smoking status (never, former, current, and missing).