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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: J Psychiatr Res. 2010 Jul 16;45(3):295–301. doi: 10.1016/j.jpsychires.2010.06.014

Table 1.

Characteristics of the total Wave 1 and Wave 2 NESARC samples and the sample used in this study*

Wave 1 Sample Wave 2 Sample Analysis Sample*
n Proportion of Total Sample (%) n Proportion of Total Sample (%) n Proportion of Total Sample (%)
Sex
 Male 18,518 47.9 14,564 47.9 12,435 47.7
 Female 24,575 52.1 20.089 52.1 17,227 52.3
Age
 18–32 11,269 27.7 8,829 27.7 7,793 28.0
 33–44 10,779 25.0 8,903 25.0 7,508 24.7
 45–59 10,472 25.7 8,909 25.7 7,695 25.9
 60+ 10,573 21.6 8,012 21.6 6,666 21.5
Race-Ethnicity
 Non-Hispanic White 24,507 70.9 20,174 70.9 19,258 77.7
 Hispanic 8,308 11.6 6,356 11.6 3,579 7.0
 Non-Hispanic Black 8,245 11.1 6,577 11.0 5,907 11.3
Other 2,033 6.5 1,546 6.5 918 4.0
Nativity
 Immigrant 7,320 14.6 5,338 13.8 1,039 3.0
 US-Born 35,662 85.4 29,231 86.2 28,623 97.0
Region
 West 9,737 22.0 7,836 22.0 6,272 20.3
 Northeast 8,209 19.7 6,444 19.7 5,326 19.2
 Midwest 8,991 23.2 7,540 23.2 7,046 24.9
 South 16,156 35.2 12,833 35.2 11,018 35.6
TOTAL 43,093 100 34,653 100 29,662 100.0
*

Analysis sample includes all Wave 2 respondents with at least 8 years of education who were born in the US or arrived in the US as immigrants at age 12 or younger. N’s are actual counts of respondents; percentages incorporate survey weights.