TABLE 3.

Association Between Ever Having Been in Foster Care and Sexual Risk Behaviors

Characteristic	Female Participants			Male Participants
	N a	OR (95% CI) or β Coefficient (SE)	P	N a	OR (95% CI) or β Coefficient (SE)	P
All youth
Any sexual activity with casual partnerb	7447	2.96 (1.85–4.74)	<.001	6655	0.97 (0.50–1.88)	.920
Ever had sex for money
Wave I	7346	11.74 (4.51–30.57)	<.001	6564	c
Wave III	7480	1.48 (0.65–3.33)	.340	6699	1.55 (0.41–5.84)	.520
Ever had vaginal intercourse
Wave I	7449	3.01 (1.82–4.99)	<.001	6667	0.86 (0.43–1.72)	.660
Wave III	7442	2.97 (1.20–7.34)	.020	6664	5.12 (1.13–2.22)	.040c
Youth who reported a history of vaginal    intercourse onlyd
Condom use at most recent intercourse
Wave I	2767	0.60 (0.33–1.11)	.110	2640	1.87 (0.85–4.09)	.120
Wave III	5950	0.68 (0.43–1.09)	.110	5106	0.85 (0.50–1.44)	.540
Age at first sexual activitye	6528	−1.48 (0.22)	<.001	5680	0.01 (0.39)	.990
No. of partners, vaginal sex evere	6465	2.22 (0.79)	.006	5620	1.35 (1.64)	.410
No. of partners, vaginal sex in previous yeare	6498	−0.08 (0.09)	.390	5642	−0.16 (0.33)	.640
No. of times had vaginal sex in previous    yeare	5159	29.80 (16.35)	.070	4683	−7.66 (16.59)	.650
Frequency of condom use in previous yeare	5945	0.87 (0.54–1.39)	.560	5099	0.62 (0.34–1.13)	.120
Sex with partner with STI in previous yeare	6319	1.20 (0.55–2.61)	.640	5501	1.13 (0.32–4.06)	.850
Sex with intravenous drug user in previous    yeare	6587	2.31 (0.81–6.55)	.120	5734	0.38 (0.06–2.39)	.300

OR indicates odds ratio.

^aN = total number included in analysis (ie, with complete data) for this outcome.

^bAnalysis conducted at Wave II.

^cNo participants who reported a history of sex for money at this wave were in the foster care group.

^dAnalyses were restricted to participants who reported a history of ever having vaginal sex in the wave of data being evaluated for outcomes in this section.

^eAnalyses conducted at Wave III.