Implant		Copper T45380 IUD		Hormonal IUD		Depo-Provera
	RRR	95% CI	RRR	95% CI	RRR	95% CI	RRR	95% CI
Sexual Identity
Exclusively heterosexual (referent)	1.00
Mostly heterosexual	1.03	(0.80, 1.34)	1.50	(1.14, 1.96)	1.14	(0.90,1.44)	0.82	(0.61, 1.10)
Bisexual	1.01	(0.70, 1.45)	1.84	(1.28, 2.67)	1.34	(0.97,1.84)	0.87	(0.58, 1.29)
Lesbian	1.03	(0.34, 3.15)	1.77	(0.52, 6.00)	0.65	(0.20, 2.14)	0.35	(0.09, 1.47)
Sexual partner, past 12 months
Men only (referent)	1.00
Both men and women	1.02	(0.64, 1.64)	0.80	(0.49, 1.31)	0.80	(0.52,1.24)	1.15	(0.68,1.93)
Women only	0.69	(0.14, 3.32)	---		0.60	(0.13, 2.88)	3.53	(0.92,13.60)
No sexual partners	0.75	(0.51,1.11)	0.71	(0.45,1.11)	0.51	(0.35, 0.75)	1.06	(0.72,1.54)
Ever pregnant	1.34	(1.00,1.80)	1.51	(1.10, 2.07)	1.42	(1.09, 1.86)	1.25	(0.92, 1.72)
Has had an abortion	1.32	(0.93, 187)	1.24	(0.87, 1.77)	1.34	(0.99,1.83)	0.94	(0.64, 1.38)
Unprotected Intercourse, past 2 weeks	0.28	(0.21, 0.38)	0.73	(0.56, 0.95)	0.25	(0.19, 0.33)	1.10	(0.86,1.41)

Source: HER Salt Lake; Model adjusts for age, race/ethnicity, insurance, federal poverty level, bleeding patterns at enrollment, previous LARC use, survey period.

Note: Insufficient sample size for “women only” sexual partners for Copper T380 IUD v. COC pills.