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. Author manuscript; available in PMC: 2013 Apr 10.
Published in final edited form as: Soc Sci Med. 2007 Apr 5;64(12):2504–2519. doi: 10.1016/j.socscimed.2007.02.036

Table 2.

Summary Statistics

Variable NCS NHIS
Former smoker 9.0% 10.8%
Age of respondent 40.9 (15.3) 41.0 (14.7)
Female respondent 51.5% 47.3%
Ethnicity
 Black 11.9% 10.9%
 Hispanic 8.9% 8.4%
 White 76.2% 76.5%
 Other 2.9% 4.2%
Children present in household 44.1% 41.3%
Family sizea 3.1 (1.6) 2.8 (1.6)
Employed 64.4% 70.3%
Family income 52,586 (43,694) 39,571 (23,400)
Education
 Less than high school 23.1% 22.5%
 High school graduate 36.7% 37.4%
 Some college 28.4% 28.0%
 College graduate 11.7% 12.1%
Medical insurance
 Private insurance 64.4% 63.2%
 Medicaid 5.6% 8.3%
 Multiple insurance typesb 1.5% 5.7%
 No insurance 28.6% 22.8%
Marital Status
 Married 60.6% 59.5%
 Divorced 13.5% 19.0%
 Never married 25.9% 21.5%

N
Total sample size 31,425 8,291
Did not attempt to quit 17,341 4,203
Attempted to quit 14,084 4,088
Quit attempt succeeded 2,999 870

Notes: Weights are used to compute descriptive statistics.

a

All people living in a household in the NCS. In the NHIS all people related by blood or marriage.

b

Measured as those covered by a combination of Medicare and Medigap supplemental insurance but not private insurance in the NCS and those by either Medicare plus Medigap or by both private insurance and some other type of insurance in the NHIS.