TABLE 4—

Predicted Odds Ratios of Pregnancy Involvement Among Sexually Experienced Male Students, Weighted Logistic Regression: Youth Risk Behavior Surveillance System, 2005–2009, New York City

Variable	Model 1, OR (95% CI)	Model 2, OR (95% CI)	Model 3, OR (95% CI)	Model 4, OR (95% CI)	Model 5, OR (95% CI)
Sexual identity
Heterosexual (Ref)	1.00		1.00	1.00	1.00
Gay or bisexual	3.62 (1.84, 7.14)		0.96 (0.36, 2.55)	0.86 (0.32, 2.29)	0.55 (0.22, 1.38)
Unsure	4.40 (1.89, 10.25)		2.09 (1.07, 4.07)	2.22 (1.15, 4.28)	1.65 (0.87, 3.14)
Gender of sexual partners
Female partners only (Ref)		1.00	1.00	1.00	1.00
Female and male partners		5.48 (3.05, 9.85)	4.65 (2.07, 10.45)	5.32 (2.31, 12.28)	4.42 (1.89, 10.32)
Race/ethnicity
Non-Hispanic White (Ref)				1.00	1.00
Non-Hispanic Black				0.69 (0.38, 1.27)	0.52 (0.30, 0.89)
Hispanic (any race)				1.15 (0.63, 2.10)	1.04 (0.64, 1.69)
Asian/Pacific Islander				0.79 (0.44, 1.45)	1.04 (0.59, 1.83)
Other				0.25 (0.08, 0.73)	0.18 (0.06, 0.51)
Age				1.13 (0.97, 1.31)	1.15 (0.99, 1.33)
Survey year
2005				0.69 (0.47, 1.01)	0.68 (0.47, 0.98)
2007				0.66 (0.49, 0.88)	0.66 (0.48, 0.92)
2009 (Ref)				1.00	1.00
Age at first sexual intercourse, y
≤ 13					2.09 (0.97, 4.52)
14–15					1.57 (0.80, 3.05)
≥ 16 (Ref)					1.00
No. of sexual partners
1 (Ref)					1.00
2–3					2.19 (1.07, 4.50)
4–5					3.24 (1.53, 6.88)
≥ 6					6.24 (3.37, 11.54)
Ever forced to have sexual intercourse					3.40 (2.20, 5.24)

Note. CI = confidence interval; OR = odds ratio. The sample size was n = 4811.