Table 2.

Bivariate analysis of Trichomonas vaginalis infection status on risk factors for infection in women who participated in Internet-based screening program (N=1525).

Risk factor	Characteristic	N	Trichomonas vaginalis prevalence (%)
Age (years)
	14–19	320	34 (10.6)
	20–24	612	51 (8.3)
	25–29	252	29 (11.5)
	≥30	320	33 (10.3)
	Missing	21	2 (9.5)
Race†
	White	550	31 (5.6)
	Black	793	105 (13.2)
	Asian	21	0 (0)
	Other	105	9 (8.6)
	Missing	56	4 (7.1)
Ethnicity
	Hispanic	83	5 (6.0)
	Non-Hispanic	1337	128 (9.6)
	Missing	105	16 (15.2)
Marital status
	Single	1215	123 (10.1)
	Married	111	6 (5.4)
	Separated	45	5 (11.1)
	Divorced	68	9 (13.2)
	Missing	86	6 (7.0)
State
	West Virginia	109	6 (5.5)
	Maryland	598	61 (10.2)
	Baltimore	419	42 (10.0)
	District of Columbia	60	3 (5.0)
	Illinois	107	18 (16.8)
	Denver	174	15 (8.6)
	Other States	7	0 (0)
	Missing	51	4 (7.8)
Income
	<$10,000	430	42 (9.8)
	$10,000–$49,999§	754	75 (10.0)
	$50,000–$99,999§	140	9 (6.4)
	>$100,000	31	3 (9.7)
	Missing	170	20 (11.8)
Health insurance†
	With	803	60 (7.5)
	Without	626	78 (12.5)
	Missing	96	11 (11.5)
Education†
	Less than high school	70	7 (10.0)
	High school	483	52 (10.8)
	Community college	251	33 (13.1)
	Some college	316	35 (11.1)
	Bachelors	196	3 (1.5)
	Masters	50	1 (2.0)
	Doctoral	13	1 (7.7)
	Other	63	9 (14.3)
	Missing	83	8 (9.6)
Age had first sex (years)
	5–9	4	0 (0)
	10–14	410	54 (13.2)
	15–19	933	83 (8.9)
	20–24	65	3 (4.6)
	25–29	8	1 (12.5)
	Missing	105	8 (7.6)
Number of partners in the last year†
	None	19	0 (0)
	1	512	38 (7.4)
	2–4	710	76 (10.7)
	5–9	154	18 (11.7)
	10–15	24	7 (29.2)
	≥16	14	3 (21.4)
	Missing	92	7 (7.6)
New partner within past 3 months
	No	826	70 (8.5)
	Yes	606	72 (11.9)
	Missing	93	7 (7.5)
>1 partner last 3 months
	No	1052	95 (9.0)
	Yes	371	47 (12.7)
	Missing	102	7 (6.9)
Current sex within past 3 months
	No	138	18 (13.0)
	Yes	1296	123 (9.5)
	Missing	91	8 (8.8)
Partner’s Sex
	Males only	1320	124 (9.4)
	Females only	38	3 (7.9)
	Males and females	101	16 (15.8)
	Missing	66	6 (9.1)
Vaginal sex
	No	13	1 (7.7)
	Yes	1423	141 (9.9)
	Missing	89	7 (7.9)
Oral sex
	No	412	47 (11.4)
	Yes	1029	95 (9.2)
	Missing	84	7 (8.3)
Anal sex
	No	1215	127 (10.5)
	Yes	227	15 (6.6)
	Missing	83	7 (8.4)
Condom use with vaginal sex†
	Always	188	8 (4.3)
	Most of the time	536	59 (11.0)
	Some of the time	378	45 (11.9)
	Never	330	29 (8.8)
	Missing	93	8 (8.6)
Condom use with oral or anal sex
	Always	101	10 (9.9)
	Most of the time	143	15 (10.5)
	Some of the time	208	20 (9.6)
	Never	731	69 (9.4)
	Missing	342	35 (10.2)
Ever tested for STI‡
	No	341	27 (7.9)
	Yes	1105	117 (10.6)
	Don’t know	15	0 (0)
	Missing	64	5 (7.8)
Ever treated for STI‡
	No	626	49 (7.8)
	Yes	809	93 (11.5)
	Don’t know	15	1 (6.7)
	Missing	75	6 (8.0)
Partner had STI†‡
	No	392	24 (6.1)
	Yes	290	34 (11.7)
	Don’t know	769	85 (11.1)
	Missing	74	6 (8.1)
Having Trichomoniasis in the past†
	No	1276	110 (8.6)
	Yes	249	39 (15.7)
Having STI in the past†‡
	No	713	56 (7.9)
	Yes	812	93 (11.5)
Drink before sex
	No	611	55 (9.0)
	Yes	845	87 (10.3)
	Missing	69	7 (10.1)

^†p<0.05

^‡Sexually Transmitted Infection