Table 1.
Selected baseline characteristics of the study participants
| Characteristics | Total random sample (N = 700) |
QOL cohort (N = 139) |
|---|---|---|
| Age (y), mean (SD) | 47.0 (17.1) | 55.3 (15.5) |
| BMI (kg/m2), mean (SD) | 25.9 (5.6) | 24.7 (4.7) |
| Education (y), mean (SD) | 14.6 (2.8) | 15.6 (2.9) |
| Median household income ($) | 40-50,000 | 40-50,000 |
| Gender, n (%) | ||
| Male | 256 (36.6) | 36 (25.9) |
| Female | 438 (62.6) | 103 (74.1) |
| Ethnicity, n (%) | ||
| Caucasian | 261 (37.3) | 59 (42.4) |
| Pacific islanders | 155 (22.1) | 20 (14.4) |
| Asian | 218 (31.1) | 43 (30.9) |
| Other | 60 (8.6) | 15 (10.8) |
| In excellent/very good/good/or fair health, n (%) | 655 (95.0) | 133 (95.7) |
| Physical activity (MET_hr/wk), mean (SD) | 67.5 (66.2) | 63.0 (59.2) |
| P = 0.46* | ||
| Fruit and vegetable (servings/d), mean (SD) | 7.4 (6.5) | 6.7 (4.2) |
| P = 0.10* | ||
| TV/video (hr/d), mean (SD) | 2.5 (2.0) | 2.3 (1.7) |
| P = 0.18* |
Note. QOL = quality of life; BMI = body mass index; MET = metabolic equivalent.
* T-test was performed to examine the differences between the total random sample and QOL cohort in weekly physical activity levels, daily fruit and vegetable consumption, and daily hours of TV/video watching at baseline.