Table 4 Nested model comparisons - results from the chi-square difference testing based on loglikelihood values and scaling correction factors a (Toronto, Ontario; 2010-2011)
Loglikelihood | Scaling correction factor | Number of free parameters | Scaled X 2difference | df | p-value | |
|---|---|---|---|---|---|---|
Nested model (model 2 of Table 3 : intercept + student-level variables) | -4342.60 | 1.15 | 8 | |||
Comparison Model (model 2 of Table 3 + each specific school PA policy indicator) | ||||||
Healthy Physical Environment | ||||||
1. Student access to a variety of facilities on and off school grounds during school hours | -4305.88 | 1.09 | 9 | 0.18 | 1 | 0.672 |
2. Availability of physical activities during inclement weather | -4304.55 | 1.09 | 10 | 2.58 | 2 | 0.276 |
3. Student access to facilities and equipment outside of school hours | -4305.78 | 1.03 | 10 | 0.47 | 2 | 0.790 |
4. Support for active transportation to/from school | -4302.08 | 1.03 | 10 | 9.49 | 2 | 0.009 |
5. Overall score for this indicator | -4305.95 | 1.07 | 9 | 0.06 | 1 | 0.801 |
Instruction and Programs | ||||||
6. Implementation of daily PA | -4305.74 | 1.10 | 9 | 0.38 | 1 | 0.540 |
7. Time spent per week engaged in PA during physical education classes | -4305.97 | 1.07 | 9 | 0.02 | 1 | 0.877 |
8. Classes taught by a qualified physical education specialist | -4304.87 | 1.03 | 10 | 2.65 | 2 | 0.266 |
9. Availability and use of intramural/club activities | -4305.51 | 1.12 | 9 | 0.65 | 1 | 0.421 |
10. Consistency of intramural programming across grade divisions and seasons | -4303.91 | 1.09 | 10 | 3.71 | 2 | 0.157 |
11. Overall score for this indicator | -4305.94 | 1.09 | 9 | 0.06 | 1 | 0.810 |
Supportive Social Environment | ||||||
12. Emphasis placed on maximizing participation in PA through school programs | -4305.96 | 1.09 | 9 | 0.03 | 1 | 0.854 |
13. Incorporation of PA into other school subjects | -4305.98 | 1.05 | 9 | 0.01 | 1 | 0.943 |
14. Special recognition of students who participate in school physical activities | -4305.79 | 1.09 | 9 | 0.31 | 1 | 0.580 |
15. Formal collection of suggestions from the school community about PA at school | -4305.80 | 1.18 | 10 | 0.22 | 2 | 0.895 |
16. Promotion of PA programs and events for students, families and school staff | -4305.56 | 1.10 | 9 | 0.67 | 1 | 0.413 |
17. Use of PA as a reward, not as discipline | -4304.30 | 1.06 | 10 | 3.39 | 2 | 0.184 |
18. Presence of written policies/practices for PA | -4302.75 | 1.05 | 10 | 6.93 | 2 | 0.031 |
19. Overall score for this indicator | -4305.50 | 1.09 | 10 | 0.84 | 2 | 0.657 |
Community Partnerships | ||||||
20. Support available for staff involved with PA | -4303.21 | 1.13 | 9 | 3.66 | 1 | 0.056 |
21. Connection to community resources | -4305.26 | 1.11 | 10 | 1.14 | 2 | 0.565 |
22. Overall score for this indicator | -4305.41 | 1.04 | 9 | 1.48 | 1 | 0.224 |