Table 1.

Baseline Characteristics of Participants by STI Testing Method Selected.

	Home (n = 305)	Clinic (n = 98)	p value
Mean age (SD)	25.1 (5.4)	24.7 (5.2)	0.48
Race/Ethnicity
Black	83 (27.5)	41 (42.3)
White	196 (64.9)	50 (51.5)
Other	23 (7.6)	6 (6.2)	0.02
Education
Less than high school diploma	35 (11.5)	8 (8.2)
High school diploma or GED	56 (18.4)	21 (21.4)
Some college	118 (38.6)	43 (43.9)
College or graduate degree	96 (31.5)	26 (26.5)	0.53
Monthly individual income
$0–800	92 (30.2)	33 (33.7)
$801–1,600	75 (24.6)	27 (27.6)
$1,601+	73 (23.9)	21 (21.4)
Refused or missing	65 (21.3)	17 (17.3)	0.72
Marital Status
Never Married	204 (66.9)	69 (70.4)
Married/Living with a Partner	85 (27.9)	23 (23.5)
Separated/Divorced/Widowed	16 (5.2)	6 (6.1)	0.68
Contraceptive Method
LARC (IUC or Implanon)	199 (65.3)	65 (66.3)
DMPA	8 (2.6)	4 (4.1)
Short-term refillable contraceptive (OC, patch, vaginal ring)	97 (31.8)	29 (29.6)
Barrier (Diaphragm, condom)	1 (0.3)	0 (0)	0.75†
Obtained health care in the last 12 months	271 (88.9)	88 (89.8)	0.79
No health insurance	104 (35.4)	38 (39.6)	0.46
History of STI*	78 (25.7)	28 (28.6)	0.58
STI** diagnosed at enrollment	4 (1.5)	4 (4.7)	0.11†
Mean number of lifetime male sexual partners (SD)	8.6 (8.6)	10.5 (9.2)	0.07

SD, standard deviation; GED, general education development test; LARC, long-acting reversible contraceptive; IUC, intrauterine contraceptive; DMPA, depomedroxyprogesterone; OC, oral contraceptive; STI, sexually transmitted infection. Data are n (%) unless otherwise indicated.

^*STI includes chlamydia, gonorrhea, trichomoniasis, syphilis, HIV, and genital herpes.

^**Includes chlamydia, gonorrhea, trichomoniasis, syphilis, and HIV, for which each participant is screened at baseline.

^†Fisher’s exact test.