Table 2.

Survey-Weighted Demographic and Socioeconomic Characteristics and Frequency of Vaginal Douching in the Previous 6 Months by Race/Ethnicity Among U.S. Reproductive-Aged Women of 20–49 Years, National Health and Nutrition Examination Survey 2001–2004 (n = 2430)

	N	Never (n = 1828)	≤1 per month (n = 388)	≥2 per month (n = 214)	p-Valuea
Age (years), mean (SE)	2430	34.5 (0.4)	35.6 (0.4)	36.9 (0.7)	0.03
BMI (kg/m2), mean (SE)	2391	27.4 (0.2)	29.7 (0.5)	30.0 (0.7)	0.0002
Race/ethnicity, %	2430				<0.0001
White	1165	80	14	6
Black	511	47	29	24
Mexican American	546	81	15	4
Other Hispanic	107	82	13	5
Other racial groups	101	82	10	8
Educational attainment, %	2429				<0.0001
< HS graduate	572	65	18	17
HS graduate	543	68	22	10
> HS graduate	1314	82	13	5
Income-to-poverty ratio, %	2317				<0.0001
<1.00	508	78	15	7
≥1.00	1809	66	19	15
Pregnancy status, %	2377				0.003
Pregnant	457	88	8	4
Nonpregnant	1920	75	16	9
Menopausal status, %	2429				<0.0001
Premenopause	2196	76	17	7
Natural menopause	54	78	15	7
Surgical menopause	179	60	22	18

^ap-Values to examine differences by racial/ethnic groups for continuous variables: F-test; for categorical variables: Rao-Scott chi-square test.