Table 1 Sociodemographic characteristics of the study population (N = 1372 twenty to fifty year old nonsmokers)
| Â | N | Weighted percenta (SE) | Â | N | Weighted percenta (SE) |
|---|---|---|---|---|---|
Sex | Â | Â | Marital Status | Â | Â |
 Male | 547 | 46.4 (1.4) |  Married | 813 | 63.8 (2.0) |
 Female | 825 | 53.6 (1.4) |  Never married | 315 | 20.1 (1.7) |
Race/Ethnicity |  |  |  Other | 244 | 16.1 (1.3) |
 Mexican American | 350 | 10.8 (1.2) | Education |  |  |
 Other hispanic | 61 | 4.9 (0.9) |  <9th grade | 116 | 4.0 (0.6) |
 Non-Hispanic white | 611 | 68.0 (2.5) |  9–12th grade | 178 | 8.2 (0.9) |
 Non-Hispanic black | 285 | 10.9 (1.5) |  High School Grad/GED | 253 | 19.2 (1.8) |
 Other Race (including multi-racial) | 65 | 5.3 (1.1) |  Some College or AA degree | 447 | 33.8 (1.8) |
Country of birth |  |  |  ≥College Graduate | 378 | 34.8 (2.2) |
 United States | 969 | 80.4 (2.1) | Annual Family Income |  |  |
 Mexico | 236 | 7.1 (0.7) |  <$20,000 | 288 | 14.1 (1.1) |
 Elsewhere | 167 | 12.5 (2.0) |  $20,000 to $44,999 | 434 | 26.5 (2.0) |
US citizen |  | 0.0 (0.0) |  $45,000 to $74,999 | 268 | 21.6 (1.6) |
 Yes | 1082 | 87.5 (1.4) |  ≥$75,000 | 382 | 37.8 (2.6) |
 No | 290 | 12.5 (1.4) |  |  |  |