. Author manuscript; available in PMC: 2011 Nov 3.

Published in final edited form as: Cancer Causes Control. 2010 Apr 30;21(9):1437–1444. doi: 10.1007/s10552-010-9571-0

Table 1.

Characteristics of cases and controls in a population-based case–control study of prostate cancer in Arkansas, 1998–2003

Characteristic	Cases (n = 193)	Controls (n = 197)
Age (years)^a	64.4 (9.0)	59.4 (10.5)
Race
Caucasian	53.4%	48.2%
African American	46.6%	51.8%
BMI (kg/m²)^a	28.1 (4.6)	29.0 (5.7)
Education
Some high school or lower	33.7%	18.8%
High school graduate or some college	48.7%	55.3%
College graduate or higher	17.6%	25.9%
Smoking
Never smokers	31.6%	35.0%
Ever smokers	68.4%	65.0%
Gleason score
<7	61.7%	–
≥7	38.3%	–

Values given are mean (SD)