Table 1.
Characteristics of the study population at the baseline analysis (N = 1,654)
| Characteristic | Median (IQR) or n (%) |
|---|---|
| Age, years | 49.6 (47.4, 51.7) |
| Race/ethnicity | |
| White | 791 (47.8) |
| Black | 384 (23.2) |
| Chinese | 230 (13.9) |
| Japanese | 249 (15.1) |
| Study site | |
| Michigan | 430 (26.0) |
| Oakland | 408 (24.7) |
| Los Angeles | 436 (26.4) |
| Pittsburgh | 380 (23.0) |
| Education | |
| High school or less | 364 (22.0) |
| Some college | 579 (35.0) |
| College and above | 711 (43.0) |
| Financial hardship | |
| Not hard | 1,115 (67.4) |
| Somewhat hard | 432 (26.1) |
| Very hard | 107 (6.5) |
| Smoking status | |
| Never smoker | 1,004 (60.7) |
| Former smoker | 434 (26.2) |
| Current smoker | 216 (13.1) |
| Secondhand smoking, h/week | |
| 0 | 959 (58.0) |
| <5 | 367 (22.2) |
| ≥5 | 328 (19.8) |
| Alcohol drinking | |
| ≤1 drink/month | 917 (55.4) |
| >1 drink/month and ≤1/week | 395 (23.9) |
| >1 drink/week | 342 (20.7) |
| Menopausal status | |
| Premenopausal | 181 (10.9) |
| Early perimenopausal | 797 (48.2) |
| Late perimenopausal | 143 (8.7) |
| Postmenopausal | 272 (16.4) |
| Unknown* | 261 (15.8) |
| Physical activity score | 5.0 (4.0, 6.0) |
| Total energy intake, kCal/day | 1,703 (1,331, 2,210) |
| Weight, kg | 69.7 (58.4, 85.0) |
| BMI, kg/m2 | 26.3 (22.7, 32.0) |
| Waist circumference, cm | 83.0 (74.1, 96.6) |
| Fat mass, kg | 25.7 (19.0, 35.4) |
| Lean mass, kg | 37.5 (33.4, 43.1) |
| Proportion fat mass, % | 40.9 (36.0, 45.8) |
*
Menopausal status unknown because of hormone therapy or hysterectomy.