Table 2.
Contrast of treatment and control group changes in self-appraisal, mood, and days of voluntary moderate-to-vigorous physical activity over 12 weeks. Data are means (±SD).
| Treatment (n = 146) |
Control (n = 123) |
t267 | p | d | ||
|---|---|---|---|---|---|---|
| Treatment group (n=146) | ||||||
| Self-appraisal measure | ||||||
| General self | 1.04 (3.22) | .08 (1.54) | 3.03 | .003 | .38 | |
| Physical appearance | 1.34 (2.62) | .17 (1.09) | 4.63 | <.001 | .28 | |
| Physical self-concept | .75 (2.11) | .16 (1.07) | 2.81 | .01 | .35 | |
| Exerc. barriers self-efficacy | 2.19 (3.49) | .12 (2.03) | 5.80 | <.001 | .73 | |
| Mood Measure | ||||||
| Tension | -1.88 (3.13) | .20 (2.41) | 6.02 | <.001 | .74 | |
| Vigor | 1.22 (3.74) | -.61 (2.59) | 4.58 | <.001 | .57 | |
| Voluntary phys. activity days/week | 1.05 (2.16) | .17 (1.97) | 3.46 | .001 | .43 | |
General self and physical appearance are scales of the Self-Description Questionnaire-I. Physical self-concept is a scale of the Tennessee Self-Concept Scale: 2. Tension and vigor are scales of the Profile of Mood States - Short Form. Exerc. barriers self-efficacy = Exercise Barriers Self-Efficacy Scale for Children. Voluntary physical activity days/week refers to recalled number of days in the previous week where moderate-to-vigorous physical activity was completed outside of PE and after-school care programming. SD = standard deviation; d = Cohen’s measure of effect size.