Table 3.

Dairy intake and multivariate HRs and 95% CIs of biochemical and clinical recurrence (N = 741) among 3,255 men with prostate cancer

Dairy product intakeNo.All mena
Total milk, servingsHR (95% CI)
 0–3/mo1281.00
 >3/mo to 4/wk1540.98 (0.76–1.27)
 >4/wk to 1/d2570.97 (0.76–1.22)
 >1/d2021.08 (0.84–1.39)
Ptrend0.34
Skim to 2% fat milk, servings
 0–3/mo1641.00
 >3/mo to 4/wk1541.00 (0.79–1.28)
 >4/wk to 1/d2390.92 (0.73–1.14)
 >1/d1841.01 (0.79–1.28)
Ptrend0.77
Whole milk, servings
 0–3/mo6701.00
 >3/mo to 4/wk341.19 (0.80–1.78)
 >4/wk371.51 (1.03–2.20)
Ptrend0.03
Total dairy, quintilesb, servings
 1 (0 to 0.9/d)1461.00
 2 (>0.9 to 1.3/d)1490.99 (0.77–1.28)
 3 (>1.3 to 1.8/d)1400.92 (0.71–1.19)
 4 (>1.8 to 2.9/d)1390.96 (0.73–1.25)
 5 (>2.9/d)1670.99 (0.76–1.29)
Ptrend0.93
Low-fat dairy, quintilesb, servings
 1 (0 to 0.1/d)1331.00
 2 (>0.1 to 0.6/d)1441.22 (0.94–1.58)
 3 (>0.6 to 1.0/d)1561.16 (0.90–1.50)
 4 (>1.0 to 1.4/d)1491.23 (0.95–1.59)
 5 (>1.4/d)1591.11 (0.86–1.45)
Ptrend0.81
Full fat dairy, quintilesb, servings
 1 (0 to 0.2/d)1531.00
 2 (>0.2 to 0.6/d)1531.07 (0.83–1.37)
 3 (>0.6 to 1.0/d)1470.92 (0.72–1.19)
 4 (>1.0 to 1.7/d)1240.70 (0.54–0.92)
 5 (>1.7/d)1641.02 (0.79–1.32)
Ptrend0.66
  • aAdjusted for age at diagnosis (continuous), total caloric intake (quintiles), smoking status (nonsmoker and smoker), BMI (<25, 25–29.9, and 30+), exercise in MET-h/wk (quintiles), tomato sauce intake (<1 serving/wk, 1–1.99 servings/wk, and 2- servings/wk), α-linolenic acid intake (quintiles), TNM stage (T1, T2, and T3a), Gleason score (<7, 7, >7, unknown), and PSA at diagnosis (<10, 10–20, >20, and unknown).

  • bCut points for quintiles of servings per day refer to the cut points for the baseline year, 1986. The cut points for the quintiles vary over time.