Table 4.

Association of primary contraceptive method with dual-method use.

Primary contraceptive method	Crude	Adjusted
Pills	Referent	Referent
Patch/ring	1.40 (0.68–2.89)	1.15 (0.61–2.19)
Injectables (Lunelle/DMPA)	0.73 (0.44–1.23)	0.49 (0.28–0.85)
LARC	0.12 (0.06–0.24)	0.30 (0.14–0.63)
Sterilization	0.16 (0.10–0.25)	0.69 (0.39–1.22)

Note: controlled for age, race, ethnicity, level of education, marital status, gravidity, insurance status in the last 12 months, lifetime number of sexual partners, number of sexual partners in the last 12 months, and pregnancy intention.