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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Prostate. 2011 Mar 22;71(15):1631–1637. doi: 10.1002/pros.21380

Table 2.

Body mass index (BMI) stratified by selected demographic and medical history factors in a population-based cohort of men from King County, WA

BMI Category p-value
Characteristic < 25 25 – 29.9 ≥ 30
N (%) N (%) N (%)
Age
 40 – 49 22 (10.0) 34 (9.4) 19 (10.1) 0.30
 50 – 54 26 (11.9) 46 (12.7) 21 (11.1)
 55 – 59 43 (19.6) 65 (17.9) 41 (21.8)
 60 – 64 34 (15.5) 71 (19.6) 45 (25.0)
 65 – 69 47 (21.5) 78 (21.5) 38 (20.2)
 70 – 74 47 (21.5) 69 (19.0) 22 (11.7)
Race
 Caucasian 203 (92.7) 338 (93.1) 163 (86.7) 0.03
 African-American 16 (7.3) 25 (6.9) 25 (13.3)
Family history of prostate cancer+
 No 192 (87.7) 314 (86.5) 173 (92.0) 0.16
 Yes 27 (12.3) 49 (13.5) 15 (8.0)
Diabetes mellitus
 No 209 (95.4) 333 (91.7) 151 (80.3) < 0.001
 Yes 10 (4.6) 30 (8.3) 37 (19.7)
BPH*
 No 163 (74.4) 282 (77.7) 154 (81.9) 0.19
 Yes 56 (25.6) 81 (22.3) 34 (18.1)
Statin use (current)
 No 178 (81.3) 261 (71.9) 139 (73.9) 0.04
 Yes 41 (18.7) 102 (28.1) 49 (26.1)
Aspirin use (current)
 No 124 (56.6) 186 (51.2) 105 (55.9) 0.34
 Yes 95 (43.4) 177 (48.8) 83 (44.2)
Other NSAID use (current)
 No 197 (90.0) 314 (86.5) 154 (81.9) 0.06
 Yes 22 (10.0) 49 (13.5) 34 (18.1)
Aspirin or Other NSAID use (current)
 No 112 (51.1) 162 (44.6) 90 (47.9) 0.31
 Yes 107 (48.9) 201 (55.4) 98 (52.1)
Thiazide use
 No 208 (95.0) 329 (90.6) 167 (88.8) 0.07
 Yes 11 (5.0) 34 (9.4) 21 (11.2)
+

First-degree relative diagnosed with prostate cancer

*

Self-reported history of a physician’s diagnosis of benign prostatic hyperplasia