Table 2.

Percentage of women aged 15–34 by pregnancy intention, pregnancy status and sexual activity across NSFG survey year, 2002–2013

Characteristic	Survey year (midpoint)			Comparison between survey years
	2002a n=5164	2008b n=8795	2013c n=8088	2002 vs. 2008	2008 vs. 2013	2002 vs. 2013
	%			p value
Pregnancy intention
Not seeking pregnancy	96	97	96	.65	.45	.72
Fecundity
Fecundd	98	98	98	.02	.68	.03
Pregnancy status
Not pregnant	94	94	95	.93	.52	.58
Currently pregnant	6	6	5	.93	.52	.58
Postpartum	1	1	1	.26	.27	.93
Sexual activity
Ever had sex	82	80	82	.14	.20	.79
In last 12 months	75	75	75	.54	.67	.84
In last 3 months	71	68	69	.01	.51	.02
In last 4 weeks	63	60	61	.02	.69	.06
In month of interview	62	58	60	<.01	.15	.10
Not seeking pregnancy, fecund, not currently pregnant and not postpartum	87	88	88	.20	.67	.37
Among such women, percentage sexually active in month of interviewe	59	55	57	<.01	.11	.20

^aRefers to data collected in 2002–2003.

^bRefers to data collected in 2006–2010.

^cRefers to data collected in 2011–2015.

^dIndividuals who were surgically sterilized for contraceptive purposes were considered fecund.

^eThis is the sample analyzed in Table 3.