Table 1.

Characteristics of the Study Participants, NHANES 1999–2004

	Without Arthritis, n=5170			With Arthritis, n=3058
	No Statin Use n=4,499	Statin Use n=671	p-value	No Statin Use n=2,423	Statin Use n=635	p-value
Age, mean (years)	52.9	61.1	<0.001	60.6	65.2	<0.001
Female, %	50.1	41.4	0.002	63.1	53.8	0.007
Race/Ethnicity, %			<0.001			<0.001
Non-Hispanic White	75.0	82.9		79.6	86.0
Non-Hispanic Black	9.9	6.2		9.8	5.7
Mexican American	5.7	2.7		3.3	2.1
Other	9.4	8.1		7.3	6.2
Education, %			0.24			0.052
<High school diploma	17.9	14.9		26.9	31.0
High school diploma	25.1	27.6		26.3	30.1
>High school diploma	57.0	57.4		46.8	38.9
Physical activity status, %			0.136			0.091
Sedentary	36.8	35.3		47.2	44.6
Moderate	32.1	37.1		31.4	38.3
Vigorous	31.1	27.6		21.4	21.4
Smoking status, %			<0.001			0.002
Never	49.0	44.3		45.0	38.0
Former	29.1	41.3		34.4	45.5
Current	21.9	14.4		20.7	16.6
Alcohol (drinks/day), %			0.004			0.001
<1	59.9	67.8		68.3	79.8
1–2	34.9	30.1		27.7	17.8
>2	5.2	2.1		4.0	2.5
Self-reported health status, %			<0.001			0.004
Very good/excellent	56.6	47.0		35.8	26.5
Good	29.7	31.7		31.9	34.4
Fair/poor	13.8	21.3		32.3	39.1
Co-morbidities, %
Coronary heart disease	4.1	25.7	<0.001	10.8	35.2	<0.001
Diabetes	6.6	21.0	<0.001	12.5	29.3	<0.001
Cancer	5.9	10.0	0.002	11.6	14.2	0.227
Peripheral artery disease	7.8	14.7	<0.001	11.6	18.3	<0.001
Body mass index, mean (kg/m2)	28	28.6	0.016	29.3	30.3	0.002
Systolic blood pressure, mean (mm Hg)	126.5	129.5	0.002	131.6	134.1	0.083
Total Cholesterol, mean (mg/dL)	213.6	193.1	<0.001	214.7	196.7	<0.001