Characteristics of prostatic cancer cases and matched controls in the CLUE 2 cohort, 1989.

*regular users compared with nonusers and non-regular users among responder of the questionnaire.
†ever-users compared with nonusers among responders of the questionnaire.
‡prostate cancer of grandfather, father, and brothers.
§Grade: 1(Gleason score 2–4, well differentiated), 2(Gleason score 5–7, moderately differentiated), 3(Gleason score 8–10, poorly differentiated).
ПAll quartiles are derived from controls: 1) total caloric intake (n = 652) quartile cut off: 1107.8, 1438.4, 1861.8 Cal/d. 2) fat intake (n = 652) quartile cutoff: 42.1, 59.0, 78.2 Cal/d. 3) calcium intake (n = 652) quartile cutoff: 424.0, 616.4, 878.7 mg/d 4) phytoestrogen intake (n = 499) quartile cut off: 1.35, 2.71, 4.14 mg/mo.