| Boys (n = 149) | Girls (n = 145) | Total (n = 294) |
---|---|---|---|
 | r |  | |
Demographic variables | Â | Â | Â |
   Age, years | -0.23* | -0.05 | -0.13* |
   Race/ethnicity | 0.06 | -0.08 | 0.001 |
   Parent education | 0.02 | 0.03 | 0.04 |
   Free or reduced price lunch | 0.08 | 0.11 | 0.10 |
   BMI z-score | -0.05 | 0.02 | -0.02 |
   Physical maturation | -0.20* | -0.05 | -0.22** |
Individual variables | Â | Â | Â |
   Self-efficacy | 0.29** | 0.06 | 0.20** |
   Enjoyment | 0.13 | 0.12 | 0.14* |
   Barriers | -0.02 | -0.20* | -0.15* |
Social variables | Â | Â | Â |
   Parent support | 0.22* | 0.09 | 0.15* |
   Peer support | 0.26* | 0.13 | 0.21** |
   Parent physical activity | 0.01 | 0.03 | 0.003 |
Environmental variables | Â | Â | Â |
   Home PA equipment1 | 0.26* | 0.04 | 0.21** |
   Temperature | 0.27** | 0.08 | 0.18* |
   Precipitation | 0.11 | 0.09 | 0.10 |
   Snow | 0.04 | 0.07 | 0.06 |
   Neighborhood safety | -0.06 | 0.04 | -0.05 |
   Walking infrastructure | -0.01 | 0.14 | 0.05 |
   Distance to park2 | -0.12 | -0.10 | -0.11 |
   Distance to rec center2 | 0.02 | -0.21* | -0.03 |
   Distance to trail2 | -0.06 | -0.09 | -0.04 |
   Distance to school attended2 | 0.05 | -0.28** | -0.12* |
   Walkability index3 | -0.03 | 0.28** | 0.09 |