Table 2 Associations with school factors in partially adjusted multilevel linear regression models predicting change in percentage of sedentary, moderate and vigorous physical activity during school time (9-15h)
Exposure variables | Percentage prevalence/mean (SD) | Sedentary (% change) | Moderate (% change) | Vigorous (% change) |
|---|---|---|---|---|
β Coefficient (95% CI) | β Coefficient (95% CI) | β Coefficient (95% CI) | ||
School characteristics | ||||
Location town fringe (y/n [reference: urban])a | 34.4% | 0.84 (−0.52 – 2.21) | −0.37 (−0.78 – 0.05) | −0.09 (−0.39 – 0.20) |
Location village/hamlet dwelling (y/n [reference: urban])a | 27.5% | −1.14 (−2.40 – 0.12) | 0.27 (−0.12 – 0.65) | 0.26 (−0.01 – 0.53) |
Number of year 4 children in 2006 a | 54.41 (34.29) | 0.01 (−0.01 – 0.03) | −0.00 (−0.01 – 0.01) | −0.00 (−0.01 – 0.00) |
Participation in healthy school program (y/n)a | 36.1% | 0.94 (−0.33 – 2.21) | −0.17 (−0.56 – 0.23) | −0.12 (−0.41 – 0.16) |
Morning break length >15 minutes (y/n)b | 13.8% | −2.36 (−4.05 - -0.67)++ | 0.84 (0.34 – 1.34)++ | 0.64 (0.28 – 0.99) +++ |
Lunch break length (minutes)b | 57.89 (6.68) | −0.10 (−0.19 - -0.02)+ | 0.03 (0.00 – 0.05) | −0.00 (−0.02 – 0.02) |
School policy | ||||
Breaks: allowed to play outside in bad weather (y/n)b | 6.7% | −0.40 (−2.89 – 2.08) | 0.36 (−0.39 – 1.11) | −0.11 (−0.65 – 0.43) |
Breaks: screen play allowed (y/n)b | 65.3% | 0.68 (−0.65 – 2.02) | −0.27 (−0.68 – 0.14) | 0.04 (−0.26 – 0.33) |
Breaks: ≥ 2 physical activities allowed (y/n)b | 52.1% | 0.01 (−1.23 – 1.26) | 0.10 (−0.27 – 0.48) | −0.24 (−0.51 – 0.02) |
Provide …physical activity information (y/n)b | 87.4% | 0.76 (−1.27 – 2.80) | −0.09 (−0.72 – 0.53) | −0.06 (−0.50 – 0.38) |
…health promotion information (y/n)b | 78.3% | 1.94 (0.44 – 3.44)+ | −0.39 (−0.86 – 0.07) | −0.33 (−0.67 – -0.00)+ |
…risks of unhealthy lifestyle information (y/n)b | 72.1% | 1.00 (−0.40 – 2.39) | −0.22 (−0.65 – 0.20) | −0.09 (−0.39 – 0.21) |
Hours of physical education b | 2.08 (0.49) | 1.52 (0.35 – 2.69)+ | −0.28 (−0.64 – 0.08) | −0.10 (−0.36 – 0.17) |
Extracurricular PA available lunch breaks (y/n)b | 70.7% | 1.14 (−0.13 – 2.42) | −0.36 (−0.74 – 0.03) | −0.27 (−0.55 – 0.00) |
School facilities | ||||
Existence of …gym facility (y/n)b | 58.3% | −0.34 (−1.66 – 0.97) | 0.17 (−0.22 – 0.57) | 0.28 (−0.00 – 0.56) |
…indoor sports facility (y/n)b | 58.6% | −0.45 (−1.81 – 0.90) | −0.00 (−0.41 – 0.41) | −0.11 (−0.39 – 0.18) |
… sports field/pitch facility (y/n)b | 94.5% | −0.39 (−3.14 – 2.37) | −0.18 (−1.02 – 0.65) | 0.20 (−0.40 – 0.79) |
… pool facility (y/n)b | 38.6% | −0.31 (−1.60 – 0.99) | 0.17 (−0.23 – 0.56) | 0.04 (−0.24 – 0.32) |
… changing facilities (y/n)b | 55.8% | 1.24 (0.02 – 2.45)+ | −0.41 (−0.78 – -0.05)+ | −0.27 (−0.53 – -0.00)+ |
… play equipment (y/n)b | 95.1% | 3.71 (0.06 – 7.36)+ | −0.47 (−1.61 – 0.68) | −0.05 (−0.86 – 0.75) |
… sports equipment (y/n)b | 98.7% | 9.04 (3.93 – 14.16)++ | −3.52 (−5.00 – -2.04)+++ | −2.52 (−3.54 – -1.50)+++ |
Use of local park or playground (y/n)b | 16.1% | −0.30 (−1.90 – 1.30) | 0.13 (−0.35 – 0.62) | 0.21 (−0.14 – 0.56) |
Medium or high quality of sports facilities (y/n)b | 75.7% | 1.01 (−0.39 – 2.42) | −0.46 (−0.90 – -0.01)+ | −0.29 (−0.59 – 0.01) |
Physical activity facility score (max: 17)c | 8.30 (1.91) | 0.06 (−0.28 – 0.39) | −0.03 (−0.14 – 0.07) | −0.05 (−0.12 – 0.02) |
Other facility score (max: 12)c | 3.49 (1.59) | −0.08 (−0.48 – 0.32) | 0.02 (−0.10 – 0.15) | −0.04 (−0.13 – 0.04) |
School grounds | ||||
Playground area (km2)b | 11.82 (7.38) | 0.07 (−0.01 – 0.15) | −0.02 (−0.04 – 0.00) | −0.01 (−0.03 – 0.01) |
School ground score (min: 1, max: 10)c | 9.14 (0.80) | −0.12 (−0.92 – 0.68) | 0.02 (−0.21 – 0.26) | −0.05 (−0.22 – 0.13) |
Aesthetics score (min: 3, max: 28)c | 21.54 (2.24) | −0.11 (−0.39 – 0.16) | 0.02 (−0.06 – 0.11) | 0.03 (−0.03 – 0.09) |