Table 1 Characteristics of the class-level factors and students MVPA during elementary and middle school
Variables | Elementary school (N = 138) | Middle school (N = 146) | Statistical result | |
|---|---|---|---|---|
Categorical variables | N (%) | N (%) | χ2 | P |
Lesson start time | 1.149 | 0.284 | ||
 A. M. | 64 (46.4%) | 77 (52.7%) |  |  |
 P. M. | 74 (53.6%) | 69 (47.3%) |  |  |
Class size | 0.024 | 0.877 | ||
 ≤ 30 | 47 (34.1%) | 51 (34.9%) |  |  |
 > 30 | 91 (65.9%) | 95 (65.1%) |  |  |
Lesson location | 0.670 | 0.413 | ||
 Indoor | 24 (17.4%) | 31 (21.2%) |  |  |
 Outdoor | 114 (82.6%) | 115 (78.8%) |  |  |
PE content | 16.909 | 0.001 | ||
 Team games | 20 (14.5%) | 44 (30.1%) |  | < 0.05 |
 Individual games | 32 (23.2%) | 17 (11.7%) |  | < 0.05 |
 Movement activities | 21 (15.2%) | 18 (12.3%) |  | > 0.05 |
 Individual activities | 65 (47.1%) | 67 (45.9%) |  | > 0.05 |
Continuous variables | Mean (SD) | Mean (SD) | F/t | P |
PE context | 8.305 | < 0.001 | ||
 Management | 43.1 (15.7) | 37.3 (18.2) | 9.127 | < 0.001 |
 Knowledge | 7.8 (8.6) | 13.6 (7.1) | 5.776 | < 0.001 |
 Fitness | 20.9 (14.2) | 22.9 (12.5) | 0.008 | 0.984 |
 Skill practice | 17.3 (14.8) | 14.6 (19.2) | 1.939 | 0.165 |
 Game play | 8.9 (14.8) | 2.2 (3.4) | 9.536 | < 0.001 |
 Free play | 2.0 (5.9) | 9.4 (16.3) | 5.507 | 0.005 |
MVPA (%) | 40.3 (8.1) | 40.5 (7.1) | –0.269 | 0.788 |