Table 1. Characteristics (weighted) of 1,351 male participants, NHANES III (Phase 1), 1988-1991.
| Age group (years) | ||||||
|---|---|---|---|---|---|---|
| 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70+ | |
| N (unweighted) | 276 | 258 | 232 | 178 | 181 | 226 |
| Race/ethnicity (%) | ||||||
| Non-Hispanic white | 75.8 | 76 | 78 | 79.5 | 84.2 | 84.4 |
| Non-Hispanic black | 11.5 | 9.9 | 7.3 | 8.2 | 7 | 7.9 |
| Mexican-American | 7.4 | 5 | 4.3 | 3.8 | 2.6 | 2.1 |
| Other | 5.3 | 9 | 10.5 | 8.5 | 6.2 | 5.7 |
| Percent body fat | ||||||
| Median | 22.6 | 24.7 | 25.7 | 26.8 | 26.8 | 26.8 |
| 25th percentile | 19.4 | 21.3 | 22.6 | 22.7 | 23.9 | 22.6 |
| 75th percentile | 25.9 | 28.5 | 29.7 | 29.6 | 29.5 | 30.4 |
| Smoking status (%) | ||||||
| Never | 50.6 | 35.17 | 28.6 | 17.6 | 27.1 | 31 |
| Former | 13.7 | 21.3 | 40.2 | 46.4 | 51.1 | 57.2 |
| Current | 35.7 | 43.5 | 31.2 | 36 | 21.8 | 11.8 |
| Alcohol consumption (%) | ||||||
| Never | 25.7 | 22 | 33.6 | 33.3 | 40.5 | 53.5 |
| > 0 to < 1/week | 18 | 19.8 | 14.6 | 19.7 | 17.3 | 9 |
| ≥ 1/week to < 1/day | 40.1 | 47 | 28.4 | 26.4 | 22.4 | 18.4 |
| ≥ 1/day | 16.3 | 11.2 | 23.4 | 20.7 | 19.7 | 19.1 |
| Moderate or vigorous physical activity (times per week; %)* | ||||||
| 0 | 6.6 | 7 | 7.7 | 14.5 | 7.2 | 11.3 |
| 1 to 2 | 19.3 | 24.7 | 25.8 | 22 | 20.6 | 20.6 |
| 3 to 4 | 17.2 | 9.8 | 18.4 | 18.9 | 14.2 | 12.8 |
| 5 to 6 | 9.9 | 11.5 | 8.3 | 8.6 | 5.7 | 5.8 |
| ≥ 7 | 47 | 47 | 39.9 | 35.9 | 52.3 | 49.6 |
| Prevalence of chronic diseases (%) | ||||||
| Cardiovascular disease | 0 | 0.7 | 2.4 | 10 | 16.2 | 23.2 |
| Cancer | 0.9 | 0 | 1.2 | 0.8 | 3.2 | 13.7 |
| Diabetes | 0.5 | 1.2 | 3.9 | 8.4 | 7.3 | 9.5 |