TABLE 1.
Baseline characteristics of the control and intervention groupa
| Characteristic | Control (%)(n = 1,363) |
Intervention (%) (n = 1,355) |
P Value |
|---|---|---|---|
| Age at study entry (yr) | |||
| 20−14 | 16.9 | 15.3 | 0.56 |
| 45−54 | 41.5 | 43.0 | |
| 55−64 | 30.2 | 29.5 | |
| ≥ 65 | 11.4 | 12.2 | |
| BMI (kg/m2) | |||
| <25 | 42.7 | 42.3 | 0.74 |
| 25−29.9 | 32.1 | 31.3 | |
| ≥ 30 | 25.2 | 26.4 | |
| Race/ethnicity | |||
| Non-Hispanic White | 85.4 | 85.5 | 0.93 |
| African American | 3.7 | 3.7 | |
| Asian American | 3.5 | 3.0 | |
| Hispanic | 5.1 | 5.6 | |
| Others | 2.3 | 2.1 | |
| College graduate | 53.9 | 55.3 | 0.47 |
| Married | 70.6 | 70.3 | 0.83 |
| Employed | 72.8 | 71.9 | 0.61 |
| Current smoker | 4.8 | 4.1 | 0.16 |
| Stage III cancer | 4.2 | 3.9 | 0.83 |
| Energy intake (kcal/day)b | 1,718 ± 11.2 | 1,714 ± 10.9 | 0.76 |
| Physical activity (MET-min/wk)b | 901 ± 24.3 | 854 ± 24.3 | 0.18 |
a
Abbreviations are as follows: BMI, body mass index; MET, metabolic equivalent tasks; min, minute; SE, standard error of the mean. Mean and standard error for continuous variables and frequency for categorical variables are presented.
b
Mean ± SE.