Table 4.

Results from Logistic Regression Examining Sexual Orientation Disparities in Adolescent Pregnancy

	Model 1		Model 2		Model 3 (n  = 8115)		Model 4 (n = 8115)
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Sexual identity
Heterosexual (reference)
Lesbian	2.33	0.93–5.80	2.26	0.87–5.87	2.46	0.82–7.35	1.11	0.16–7.98
Bisexual	1.65	1.12–2.43	1.72	1.15–2.58	1.64	1.02–2.64	1.98	1.15–3.39
Not sure	1.22	0.64–2.35	1.24	0.63–2.45	0.85	0.40–1.80	0.75	0.31–1.77
Sexual behavior
Only male (reference)
Both male and female	1.33	0.92–1.92	1.38	0.95–2.03	1.1	0.72–1.68	1.21	0.66–2.23
Interactions
Lesbian × male and female							2.2	0.22–22.53
Bisexual × male and female							0.7	0.31–1.61
Not sure × male and female							1.3	0.25–6.75
Condom use at last sex
No (reference)
Yes					0.38	0.28–0.51	0.38	0.28–0.52
Alcohol or other drug use at last sex
No (reference)
Yes					1.78	1.29–2.45	1.78	1.30–2.45
WHO Tier 1 or Tier 2 contraception use at last sex
No (reference)
Yes					1.27	0.88–1.85	1.29	0.88–1.87

Models 2–4 adjust for age, race/ethnicity, and school grade.

Bolded values = p < 0.05.