TABLE 1.
Characteristics of participants and neighborhoods and differences in baseline characteristics between participants from low- and high-crime neighborhoods before and after propensity score (PS) correction
| Overall | Low crime | High crime | Before PS correction (p value) | After PS correction (p value) | |
|---|---|---|---|---|---|
| Individuals | |||||
| N | 27 | 13 | 14 | ||
| Age, mean (SD) | 8.7 (1.4) | 9.1 (1.5) | 8.4 (1.3) | 0.153 | 0.989 |
| African American, % | 59 % | 38 % | 79 % | 0.041 | 0.163 |
| Female sex, % | 55 % | 38 % | 71 % | 0.092 | 0.374 |
| Baseline steps, mean (SD) | 8622 (1955) | 8608 (2190) | 8634 (1794) | 0.974 | 0.723 |
| Obesity (% obese) | 52 % | 31 % | 64 % | 0.088 | 0.859 |
| CDI-S, mean (SD) | 47.1 (9.2) | 46.8 (9.7) | 47.3 (9.2) | 0.905 | 0.667 |
| Physical activity enjoyment, mean (SD) | 66.6 (7.0) | 66.6 (8.5) | 66.6 (5.6) | 0.987 | 0.820 |
| Weekday sedentary time (h), mean (SD) | 5.1 (4.0) | 4.8 (4.4) | 5.4 (3.7) | 0.740 | 0.536 |
| Weekend sedentary time (h), mean (SD) | 8.3 (5.4) | 7.2 (5.0) | 9.3 (5.7) | 0.326 | 0.993 |
| Has TV in bedroom, % | 59 % | 54 % | 64 % | 0.581 | 0.509 |
| Neighborhoods (block groups) | |||||
| N | 26 | 13 | 13 | ||
| Total crime index, mean (range) | 130 (7–326) | 56 (11–136) | 272 (158–449) | ||