Table 1: Sociodemographic, health behavior, and clinical characteristics of National Health Interview Survey (NHIS) participants, according to educational attainment and race/ethnicity, 1997–2008 ( ).

<HSHS>HSCombined education
WhiteBlackWhiteBlackWhiteBlackWhiteBlackTotal

Sample size, (%)11,987 (76)5,617 (24)45,174 (85)11,316 (15)85,189 (89)14,945 (11)142,350 (87)31,878 (13) 174,228
Age
 Mean, year ± SE50.9 ± 0.1550.5 ± 0.2747.4 ± 0.0843.9 ± 0.1544.6 ± 0.0742.1 ± 0.1346.0 ± 0.0544.1 ± 0.1145.8 ± 0.05
 Age group—%
  25–341818202725312328 23
  35–493030394342434041 40
  50–642931282326212723 27
  65–75232113775108 10
Male 5346514951435146 51
Marital status
 Married/living w/partner5933684169466842 65
 Divorced/separated/widowed2836202716251827 19
 Never married1331123215291431 16
Health behaviors
 Ever smoker (yes)6858574442344941 46
 Alcohol consumer
  Never465036482447304832
  Ever545064527653705268
 Leisure-time physical activity
  Never/unable5967425324363347 34
  Low1917292538353429 33
  High2216292238293424 32
Clinical characteristics
 Mean BMI (kg/m2), men27.9 ± 0.0927.8 ± 0.1328.0 ± 0.0428.2 ± 0.0927.6 ± 0.0328.7 ± 0.0827.7 ± 0.0228.4 ± 0.0627.8 ± 0.02
 Mean BMI (kg/m2), women27.7 ± 0.1030.6 ± 0.1527.0 ± 0.0529.6 ± 0.1025.9 ± 0.0429.1 ± 0.0926.4 ± 0.0329.5 ± 0.0726.8 ± 0.03
 Overweight/obese (yes)6673657359726272 63
 Obesity (yes)3140283622352536 26
Health conditions
 Hypertension (yes)3448263219282333 24
 Diabetes (yes)1116694859 6
General health status
 Excellent/very good3932615077636954 66
 Good3432293318272330 24
 Fair/poor27361017510917 10
Region of country
 Northeast1512201319131913 18
 Midwest2417301928202819 27
 South4767356133573560 38
 West1441572010188 17

Weighted estimates; mean ± SE or (%); SE: standard error; <HS: less than high school, HS: high school, >HS: greater than high school.