. Author manuscript; available in PMC: 2015 Nov 17.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2014 Aug 22;23(11):2561–2567. doi: 10.1158/1055-9965.EPI-14-0010

Table 1.

Baseline characteristics of prostate cancer cases and controls, CLUE II

Characteristics	Cases	Controls	P
Number	268	268
Mean age at blood draw (SD, y)	64 (9.0)	64 (9.0)	matched
African American (%)	2.2	2.2	matched
Family history of prostate cancer (%)	13.4	9.9	0.26
Mean attained education (SD, y)	12.3 (3.4)	12.1 (3.4)	0.40
Married (%)	88.4	85.5	0.33
Mean current BMI (SD; kg/m²)	26.4 (3.5)	26.7 (3.2)	0.25
Cigarette smoking status (%)
Never	39.9	38.4	0.72
Former	51.5	52.6	0.80
Current	8.6	9.0	0.88
Use of a diabetes medication in the past 48 hours (%)	2.6	5.6	0.07
Use of aspirin or other NSAIDs in the past 48 hours (%)	33.2	34.7	0.71