Table 4.
Interrelationships among Study Variables in Adolescent Girls
| Variable | N | M | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Age | 502 | 12.19 | .98 | __ | |||||||
| 2. BMI-z | 501 | 1.10 | 1.06 | .14** | __ | ||||||
| 3. Baseline MVPA | 462 | 2.74 | 1.22 | −.22** | −.10* | __ | |||||
| 4. Physical benefits | 502 | 2.37 | .58 | −.02 | .19** | −.08 | __ | ||||
| 5. Psychosocial benefits | 502 | 2.39 | .52 | −.13** | −.05 | .08 | .41** | __ | |||
| 6. Barriers | 502 | 1.15 | .59 | .08 | .09* | −.16** | .13** | −.03 | __ | ||
| 7. Enjoyment | 499 | 2.34 | .56 | −.21** | −.14** | .19** | .06 | .33** | −.48** | __ | |
| 8. Week 17 MVPA | 379 | 2.88 | 1.50 | −.08 | .09 | .56** | −.07 | .12* | .00 | .12* | __ |
Note. Data from control group girls in the group RCT were used.
*
p < .05,
**
p < .01;
M=mean; SD=standard deviation; BMI=body mass index; MVPA=moderate to vigorous physical activity.