Table 4

Prostate cancer incidence by dairy intake, CPS-II Nutrition Cohort, 1992–1999

Dairy intake (servings)Prostate cancer casesPerson-yearsRR (95% CI)aRR (95% CI)b
Total prostate cancer cases
 <3/week89498,10711
 3–<7/week953102,5701.0 (0.9–1.1)1.0 (0.9–1.1)
 1–<3/day1554162,8111.0 (1.0–1.1)1.0 (0.9–1.1)
 3–<4/day27327,7391.0 (0.9–1.2)1.0 (0.9–1.2)
 4+/day13713,1661.1 (1.0–1.4)1.1 (0.9–1.3)
P trend = 0.21P trend = 0.38
Advanced prostate cancer cases
 <3/week14993,29611
 3–<7/week12997,2220.8 (0.7–1.1)0.8 (0.7–1.1)
 1–<3/day225154,2260.9 (0.7–1.1)0.9 (0.7–1.1)
 3–<4/day4726,2671.1 (0.8–1.5)1.0 (0.7–1.4)
 4+/day1912,4001.0 (0.6–1.5)0.9 (0.5–1.4)
P trend = 0.62P trend = 0.95
  • a Adjusted for age at entry and race.

  • b Adjusted for age at entry, race, family history of prostate cancer, total energy, total fat intake, and education.