Table 2 Associations between school enrolment and selected outcome measures among African‐American adolescent females (n = 715).

Outcome	Non‐enrolled (n = 248), n (%)	Enrolled PR (n = 467) n (%)	95% CI	p Value
Tested positive for at least one STD*	88 (35.5)	118 (25.3)	1.4 (1.18 to 1.77)	0.004
Sexual risk behaviours
Any unprotected vaginal sex†	160 (65)	263 (56.4)	1.15 (1.02 to 1.30)	0.026
Any unprotected anal sex†	27 (10.9)	23 (4.9)	2.21 (1.30 to 3.77)	0.003
Ever had anal sex	42( 16.9)	33 (7.1)	2.40 (1.56 to 3.68)	0.001
Boyfriend has sex with other females‡	65 (58.6)	97 (26.7)	2.17 (1.72 to 2.74)	0.009
Had sex while high or drunk†	115 (46.4)	116 (24.8)	1.87 (1.52 to 2.30)	0.001
Had sex while partner was high or drunk†	152 (61.3)	169 (36.2)	1.69 (1.45 to 1.98)	0.001
Had vaginal sex with ⩾2 partners†	106 (42.7)	131 (28.1)	1.52 (1.24 to 1.87)	0.001
Had sex with a casual partner†	96 (38.7)	129 (27.6)	1.40 (1.13 to 1.74)	0.002
Had sex with a partner recently incarcerated§	54 (21.8)	68 (14.6)	1.50 (1.08 to 2.06)	0.015
Had sex with partner at least 5 years older†	52 (21)	46 (9.9)	2.22 (1.48 to 3.07)	0.001
Psychosocial mediators
Less frequent sex‐related communication†	139 (56.6)	215 (46.6)	1.22 (1.05 to 1.41)	0.01
Less perceived power in relationships	139 (56.6)	207 (44.4)	1.26 (1.09 to 1.47)	0.003
Greater fear of condom use negotiation†	95 (38.3)	119 (25.5)	1.50 (1.20 to 1.88)	0.001

STD, sexually transmitted disease.

*Includes laboratory‐confirmedSTD.

†Past 60 days.

‡Among 475 adolescents who reported having a current boyfriend, 112 were not enrolled in school and 363 were enrolled.

§Includes jail, juvenile detention or prison.