TABLE 2.

Distribution of selected demographic and lifestyle characteristics and medical conditions between users and nonusers of statins among population-based controls, King County, Washington, 2002–2005

Characteristic	Statin users (n = 265)		Statin nonusers (n = 677)		Chi-square p value
	No.*	%	No.*	%
Age (years)
35–49	11	4.2	85	12.6	<0.0001
50–54	15	5.7	98	14.5
55–59	41	15.5	133	19.6
60–64	65	24.5	122	18.0
65–69	65	24.5	137	20.2
70–74	68	25.7	102	15.1
Race
Caucasian	246	92.8	598	88.3	0.04
African American	19	7.2	79	11.7
First-degree family history of prostate cancer
No	231	87.2	602	88.9	0.45
Yes	34	12.8	75	11.1
Body mass index (kg/m2)
<25.0	55	20.8	204	30.1	0.01
25.0–29.9	134	50.6	310	45.8
≥30.0	76	28.7	163	24.1
Smoking status
Nonsmoker	104	39.2	325	48.0	0.01
Former smoker	132	49.8	262	38.8
Current smoker	29	10.9	89	13.2
Lifetime alcohol consumption (drinks/week)
Nondrinker or <1	74	27.9	160	23.6	0.33
Low (1–7)	87	32.8	229	33.8
Moderate (8–14)	49	18.5	156	23.0
High (≥15)	55	20.8	132	19.5
Recent exercise (times/week)
None	71	26.8	175	25.9	0.63
1–2	77	29.1	206	30.5
3–4	63	23.8	181	26.8
≥5	54	20.4	114	16.8
Education
High school or less	47	17.7	134	19.8	0.15
Some college	73	27.5	137	20.2
College degree	65	24.5	196	29.0
Graduate degree	80	30.2	209	30.9
Prostate cancer screening†
None	19	7.2	117	17.3	<0.0001
Digital rectal examination only	59	22.3	204	30.1
PSA‡	187	70.6	356	52.6
Hypercholesterolemia
No	19	7.2	537	79.9	<0.0001
Yes	245	92.8	135	20.1
Diabetes mellitus
No	209	78.9	632	93.4	<0.0001
Yes	56	21.1	45	6.6
Hypertension
No	109	41.1	491	72.5	<0.0001
Yes	156	58.9	186	27.5
Myocardial infarction
No	202	76.2	660	97.5	<0.0001
Yes	63	23.8	17	2.5
Stroke
No	249	94.0	658	97.6	<0.0001
Yes	16	6.0	16	2.4

^*Numbers may not add to total because of missing data.

^†Prostate cancer screening within the 5-year period before the reference date.

^‡PSA, prostate-specific antigen.