Table 1.

Selected characteristics by quintiles of red meat intake

CharacteristicQuintile of red meat intake
Q1Q2Q3Q4Q5
Participants (n)4,5514,6074,7424,5094,671
Prostate cases (n)158159133113105
Mean age (y)52.448.847.547.145.6
State of residence (%)
    Iowa53.666.367.375.780.2
    North Carolina46.433.732.724.319.8
Family history of prostate cancer (%)
    No82.584.483.884.284.0
    Yes7.58.09.09.29.5
Race (%)
    White94.596.696.897.297.7
    Black2.01.21.10.70.8
    Other*0.60.50.20.30.3
Body mass index, kg/m2 (%)
    <2528.924.422.920.920.7
    25-2942.845.744.544.343.1
    ≥3015.418.620.723.324.3
Education (%)
    High school/ general educational development or less50.552.353.654.256.0
    More than high school44.142.941.841.940.0
Smoking status (%)
    Never53.250.451.353.054.1
    Former29.230.229.128.428.3
    Current11.013.814.413.613.5
Current alcohol intake (%)
    Never40.031.731.228.226.6
    <1 Drink/mo15.415.414.715.414.5
    1-4 Drinks/mo23.929.227.230.028.8
    2-4 Drinks/wk10.213.815.015.318.0
    Almost daily3.54.45.75.06.7
    Daily0.81.11.01.61.6
Leisure time physical activity, h/wk (%)
    None22.421.723.525.025.2
    ≤235.338.138.437.235.7
    3-519.720.018.018.117.3
    ≥620.418.718.718.220.4
Aspirin use (%)
    No70.573.274.374.873.9
    Yes26.924.723.523.524.2
Supplemental vitamin E (%)
    No82.084.485.887.888.8
    Yes18.015.614.212.211.2
  • NOTE: All values (except age) are adjusted for age. Percent may not sum to 100 due to rounding and/or missing values.

  • * Other includes Asian or Pacific Islander, American Indian or Alaskan Native, and other.