TABLE 1.
Distribution of selected baseline characteristics of participants in the NIH-AARP Diet and Health Study1
| Males | Females | |
|---|---|---|
| Sample size, n (%) | 94,854 (53.5) | 82,556 (46.5) |
| Age, mean (SD), range, y | 61.2 (5.4), 50.3–71.5 | 61.3 (5.4), 50.3–71.5 |
| Smoking, n (%) | ||
| Never | 34,381 (36.3) | 40,520 (49.1) |
| Former | 52,642 (55.5) | 32,600 (39.5) |
| Current | 7831 (8.3) | 9436 (11.4) |
| Race, n (%) | ||
| White | 89,462 (94.3) | 76,252 (92.4) |
| Other | 5392 (5.7) | 6304 (7.6) |
| Education, n (%) | ||
| Less than high school | 14,963 (15.8) | 22,396 (27.1) |
| High school graduate | 8121 (8.6) | 8727 (10.6) |
| Some college | 19,950 (21.0) | 21,143 (25.6) |
| College graduate | 51,820 (55.6) | 30,290 (36.7) |
| Marital status, n (%) | ||
| Married | 82,456 (86.9) | 39,319 (47.6) |
| Other | 12,398 (13.1) | 43,237 (52.4) |
| Menopausal hormone therapy, n (%) | ||
| Never | — | 35,397 (42.9) |
| Former | — | 7148 (8.7) |
| Current | — | 40,011 (48.5) |
| History of diabetes, n (%) | 5625 (5.9) | 3485 (4.2) |
| BMI, mean (SD), range, kg/m2 | 26.8 (3.7), 17.3–40.8 | 26.3 (5.1), 13.8–47.8 |
| Total moderate-vigorous physical activity, median, range, min/wk | 570.0, 0.0–4920.0 | 455.0, 0.0–5250.0 |
| Total kcal/d, median, range | 1883.1, 428.0–6231.3 | 1452.3, 319.8–4761.5 |
1
n = 177,410.