Table 1.
Subject Characteristics
| Variable | n | Unweighted % | Weighted % |
| Sex | |||
| Male | 1,603 | 52.1 | 51.1 |
| Female | 1,474 | 47.9 | 48.9 |
| Race/Ethnicity | |||
| White | 1,160 | 37.7 | 70.8 |
| Black | 844 | 27.4 | 11.0 |
| Hispanic | 592 | 19.2 | 13.1 |
| Asian | 481 | 15.6 | 5.1 |
| Education | |||
| Less than High School | 432 | 14.0 | 10.4 |
| High School Gradaute/GED or Equivalent | 643 | 20.9 | 19.7 |
| Some College | 939 | 30.5 | 32.0 |
| College Graduate or Above | 895 | 29.1 | 34.8 |
| Refused/Don't Know/Missing | 168 | 5.5 | 3.1 |
| Marital Status | |||
| Married | 1,389 | 45.1 | 51.2 |
| Widowed/Divorced/Separated | 428 | 13.9 | 13.5 |
| Never Married | 769 | 25.0 | 22.5 |
| Living with Partner | 253 | 8.2 | 8.3 |
| Refused/Missing | 238 | 7.7 | 4.5 |
| Annual Household Income* | |||
| <$20,000 | 595 | 19.3 | 13.5 |
| $20,000–$55,000* | 1,103 | 35.9 | 32.4 |
| $55,000–$100,000 | 622 | 20.2 | 24.1 |
| ≥$100,000 | 628 | 20.4 | 27.5 |
| Refused/Don't Know/Missing | 129 | 4.2 | 2.5 |
| Self-Reported Health Status | |||
| Excellent | 407 | 13.2 | 14.8 |
| Very Good | 1,113 | 36.2 | 40.4 |
| Good | 1,557 | 50.6 | 44.8 |
| Age, mean ± SE | 3,077 | 39.9 ± 0.3 | 41.1 ± 0.4 |
| BMI, mean ± SE | 3,056 | 28.1 ± 0.1 | 28.2 ± 0.2 |
N=3,077. SE = Standard error. BMI = Body mass index.
*
‘$20,000 and Over’ (n=115, unweighted percent=3.8%, weighted percent=2.7%) in income variable of NHANES data was combined to the category of $20,000–$55,000.