Table 1. Demographic Characteristics of Study Sample.
| Child Age, Mean (SD) | 9.1 (1.6) |
|---|---|
| Child sex, n, (%) | |
| male | 342 (50.2) |
| female | 340 (49.9) |
| Child race/ethnicity, n (%) | |
| non-Hispanic white | 462 (67.7) |
| Hispanic | 116 (17.0) |
| non-Hispanic nonwhite | 104 (15.3) |
| Highest education level in householda, n (%) | |
| completed high school or less | 35 (5.2) |
| some college | 112 (16.7) |
| completed college | 273 (40.7) |
| completed graduate school | 251 (37.4) |
| Household incomeb (%) | |
| <$50k | 92 (13.9) |
| $50–100k | 245 (37.1) |
| >$100k | 324 (49.0) |
| Neighborhood physical-activity environment (PAE), n (%) | |
| low PAE | 329 (48.2) |
| high PAE | 353 (51.8) |
| County, n (%) | |
| San Diego County | 327 (48.0) |
| King County-Seattle | 355 (52.1) |
| Child average daily MVPA, minutes, mean (SD) | 144.0 (52.0) |
Note. SD = standard deviation, PAE = physical-activity environment, MVPA = moderate-to-vigorous physical activity.
a
n = 671 participants whose parents reported household education
b
n = 661 participants whose parents reported household income