Table 2 Mixed effects models of the trend in enjoyment of PE over time by gender, perceived competence, parental education, participation in organized activity, and BMI
| Â | Model 1 Estimate (SE) | Model 2 Estimate (SE) | Model 3 Estimate (SE) |
|---|---|---|---|
Intercept | 10.7 (0.05)*** | 8.41 (0.15)*** | 9.02 (0.2)*** |
Time (days) | -1.6 × 10-4 (8.5 × 10-5) | -2.5 × 10-4 (8.2 × 10-5)** | -3.0 × 10-3 (3.5 × 10-4)*** |
Age (baseline) | 0.03 (0.08) | 0.03 (0.06) | 0.04 (0.06) |
Gender | Â | Â | Â |
   Male | 0.2 (0.07)** | 0.01 (0.06) | -0.05 (0.25) |
   Female | - | - | - |
Male by Time | 5.8 × 10-4 (1.2 × 10-4)*** | 5.7 × 10-4 (1.1 × 10-4)*** | 2.7 × 10-3 (5.4 × 10-4)*** |
BMI | Â | -0.03 (0.01)*** | -0.03 (0.01)*** |
Parental Education | Â | Â | Â |
   High School or Less |  | -0.16 (0.09) | -0.16 (0.09) |
   College/Technical School |  | -0.001 (0.06) | -5.0 × 10-5 (5.5 × 10-2) |
   Undergraduate Degree |  | -0.23 (0.09)** | -0.22 (0.09)** |
Professional/Graduate Degree | Â | -0.09 (0.11) | -0.08 (0.1) |
   Education missing |  | - | - |
Organized Activity Participation |  | 1.5 × 10-2 (3.6 × 10-3)*** | 1.3 × 10-2 (3.5 × 10-3)*** |
Perceived Athletic Competence (PAC) |  | 0.15 (4.6 × 10-3)*** | 0.12 (0.01)*** |
PAC by Time |  |  | 1.5 × 10-4 (1.9 × 10-5)*** |
PAC by Male |  |  | 4.9 × 10-3 (1.3 × 10-2) |
PAC by Time by Male |  |  | 1.2 × 10-4 (2.8 × 10-5)*** |