Table 1.
Participant characteristics at baseline
| Variables | N (%)* | Mean (SD): range |
|---|---|---|
| Dependent Variable | ||
| Parental stress (Perceived Stress Scale) | 4.0 (2.9): 0-16 | |
| Design Variables | ||
| Age (years) | 6.7 (0.7): 4.5-10.4 | |
| Male sex | 2297 (50.5) | |
| Race/Ethnicity | ||
| Hispanic ethnicity | 2462 (54.1) | |
| African-American race | 122 (2.7) | |
| Asian race | 145 (3.2) | |
| White Non-Hispanic race | 1464 (32.2) | |
| Other race | 357 (7.9) | |
| Body mass index at baseline (kg/m2) | 16.7 (2.7): 11.5-34.9 | |
| Gender- and age-specific body mass index percentile** | ||
| Normal (BMI <85th pct) | 3201 (70.4) | |
| Overweight (≥85th pct BMI <95th pct) | 660 (14.5) | |
| Obese (≥95th pct BMI) | 684 (15.1) | |
| Other Covariates | ||
| Number of after-school exercise activities in last 12 months? | ||
| 0 | 2913 (70.9) | |
| 1 | 1000 (24.3) | |
| 2+ | 198 (4.8) | |
| Parental education | ||
| Did not finish high school | 905 (21.8) | |
| High school diploma or some college | 2364 (56.8) | |
| College diploma or greater | 892 (21.4) | |
| Medical insurance coverage | 3689 (88.3) | |
| Spanish language questionnaire | 1133 (24.9) | |
| Any daily smoker inside home | 309 (7.2) | |
| Any pets in home | 3232 (76.1) | |
| Residential traffic-related pollution (ppm) | 6.7 (6.1): 0-69 | |
| Residence in a food desert neighborhood | 2137 (51.9) | |
| Neighborhood green space (NDVI) | 0.09 (0.10): 0-0.50 | |
| Neighborhood connectivity index | 0.40 (0.06): 0-0.66 | |
| Neighborhood population density (per km2) | 1703.9 (1426.7): 3.8-13978.3 | |
*
Numbers do not always add up to 4550 due to missing values.
**
Body mass index percentile based on Centers for Disease Control and Prevention reference values for the year 2000.