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. Author manuscript; available in PMC: 2011 Aug 10.
Published in final edited form as: Surv Res Methods. 2009 Jan 1;3(3):123–137.
Males
Females
Sample Size Population Percent* Sample Size Population Percent*
Age
 18-24 65,883 12,764,465 13.6 71,238 12,928,953 12.6
 25-44 232,188 40,078,888 42.6 256,103 41,533,268 40.5
 45-64 171,391 27,422,735 29.5 187,961 29,702,365 28.9
 65+ 87,528 13,459,003 14.3 124,388 18,487,364 18.0
Education
 < 12 years 94,523 16,581,967 17.6 106,647 17,677,620 17.2
 12 years 179,765 29,666,898 31.6 220,322 34,572,514 33.7
 13-15 years 141,359 24,039,306 25.6 174,907 28,139,319 27.4
 16+ years 141,343 23,736,919 25.2 137,814 22,262,497 21.7
Race/Ethnicity
 Non-Hispanic Black 43,575 9,831,786 10.5 63,214 12,397,674 12.1
 Non-Hispanic AIAN 5,715 645,272 0.7 6,631 715,362 0.7
 Non-Hispanic API 18,903 3,419,817 3.6 21,961 3,841,155 3.7
 Hispanic 45,487 10,160,542 10.8 49,721 10,190,060 9.9
 Non-Hispanic White 443,309 69,967,675 74.4 498,163 75,507,699 73.6
Employment Status
 Employed 400,668 67,984,012 72.3 365,177 58,711,744 57.2
 Unemployed 22,781 4,098,018 4.4 19,948 3,441,245 3.4
 Not in Labor Force 133,541 21,943,061 23.3 254,565 40,498,960 39.5
Metropolitan Status
 Metropolitan 410,059 75,345,494 80.1 474,792 82,490,277 80.4
 Non Metropolitan 143,145 18,361,803 19.5 160,702 19,828,595 19.3
 Not Identified 3,786 317,795 0.3 4,196 333,078 0.3
Region
 Northeast 122,437 18,164,626 19.3 143,541 20,315,401 19.8
 Midwest 138,300 21,522,618 23.2 156,868 23,687,423 23.1
 South 163,820 32,922,205 35.0 193,465 36,455,570 35.5
 West 132,433 21,115,643 22.5 145,816 22,193,555 21.6
*

Percentages are based on populations and may not sum to 100% due to rounding; AIAN and API stand for American Indian and Alaska Native and Asian and Pacific Islander, respectively