Table 7

RRs and 95% CI for BMI and height interactions, CPS-I, 1959–1972, and CPS-II, 1982–1996

BMI <25.00BMI 25.00–<30.00BMI ≥30.00
CPS-I
 Height <70 inches
  No. of deaths44344266
  Person-years942,0681,089,212164,017
  Age-standardized ratea36.238.740.7
  RRb (95% CI)1.001.08 (0.95–1.23)1.16 (0.89–1.50)
 Height ≥70 inches
  No. of deaths33925644
  Person-years938,762945,577120,726
  Age-standardized ratea42.640.072.6
  RRb (95% CI)1.17 (1.01–1.34)1.08 (0.92–1.27)1.68 (1.23–2.29)
P-for interaction = 0.13
CPS-II
 Height <70 inches
  No. of deaths654802143
  Person-years838,0821,143,665225,579
  Age-standardized ratea33.637.142.1
  RRb (95% CI)1.001.08 (0.97–1.19)1.13 (0.94–1.36)
 Height <70 inches
  No. of deaths915928180
  Person-years1,377,4391,660,298325,694
  Age-standardized ratea40.741.652.2
  RRb (95% CI)1.15 (1.04–1.27)1.18 (1.07–1.31)1.48 (1.25–1.75)
P-for interaction = 0.35
  • a Death rates standardized to the combined CPS-I and CPS-II male population.

  • b Adjusted for age at interview, race, education, exercise, smoking status, and family history of prostate cancer.