Table 1.

Sexual activity and contraceptive use among U.S.-born and immigrant women by race and ethnicity (NSFG 2006–2015)

	All races/ethnicities (n=23,573)				Hispanic (n=5574)			NH white (n=11,237)			NH black (n=4696)			NH Asian (n=1028)
	All women	U.S.-born	Immigrant	p value	U.S.-born	Immigrant	p value	U.S.-born	Immigrant	p value	U.S.-born	Immigrant	p value	U.S.-born	Immigrant	p value
Overall %	100	85	15		56	44		96	4		91	9		31	69
First sexual intercourse under age 20 years	82	86	62	.00	89	71	.00	84	72	.00	93	65	.00	76	30	.00
Age at first live birth
Under 20 years	31	32	27	.00	46	37	.00	25	13	.01	49	19	.00	32	6	.00
20–29 years	55	54	59	.00	47	55	.00	58	67	.06	46	58	.04	50	64	.11
30–44 years	14	14	14	.66	7	8	.45	18	21	.39	5	22	.00	18	30	.13
Currently using contraceptive method, among women at risk of unintended pregnancya	89	89	88	.10	87	89	.32	91	85	.02	85	82	.33	89	89	.97
Highly effectiveb	43	43	42	.53	41	53	.00	43	27	.00	45	31	.01	26	29	.63
Moderately effectivec	34	35	24	.00	32	22	.00	36	35	.71	31	31	.93	48	17	.00
Less effectived	23	21	34	.00	27	25	.31	20	38	.00	23	38	.00	26	54	.00

n=unweighted sample size. All percentages weighted to reffect national population estimates. p values represent significance levels from t tests of differences between U.S.-born and immigrant women by race and ethnicity.

^a”At risk of unintended pregnancy” refers to women who are sexually active with men; not pregnant, seeking to become pregnant, or postpartum; and not noncontraceptively sterile.

^b“Highly effective” methods include sterilization, IUD and implants.

^c“Moderately effective” methods include condoms, contraceptive injection, pill, ring and patch.

^d“Less effective” methods include spermicide, sponge, gel or cream, and withdrawal.