Table 3.

Percentage of external counts for weighted population size of survey and for number of births reported in the five years prior to interview date, with 95% confidence intervals (CI) and unweighted survey counts: NSFG 2006–2015

	% Reported (NSFG / external counts × 100)	95% CI	Unweighted NSFG Count
Population Size	99	(93–104)	23,579
Births (Total)	107	(101–113)	8,948
Age at Birth
<20	105	(92–117)	1,057
20–29	105	(98–112)	5,076
30 and older	110	(101–118)	2,815
Race/Ethnicity
White, non-Hispanic	110	(101–119)	3,830
Black, non-Hispanic	107	(92–123)	2,069
Other, non-Hispanic	105	(74–136)	514
Hispanic	99	(84–115)	2,535
Survey Round
2006–2010	107	(97–117)	4,728
2011–2015	106	(98–114)	4,220