School hours | Entire school day | ||||||
---|---|---|---|---|---|---|---|
PRE Mean (SE) | MID Mean (SE) | Group x time (Ref: contr x pre) Beta (SE) | PRE Mean (SE) | MID Mean (SE) | Group x time (Ref: contr x pre) Beta (SE) | ||
Sitting time (min) | Primary school | I: 243.8 (8.9) C: 248.1 (8.9) | I: 217.9 (8.9) C: 260.0 (9.1) | −37.404 (13.323) | I: 445.8 (13.0) C: 467.2 (13.2) | I: 428.8 (13.1) C: 464.1 (13.5) | −13.569 (15.793) |
Secondary school | I: 302.9 (8.0) C: 307.7 (9.6) | I: 296.9 (9.0) C: 295.2 (10.6) | 9.049 (18.349) | I: 571.2 (14.3) C: 594.9 (16.8) | I: 617.4 (15.4) C: 601.0 (19.0) | 41.991 (31.285) | |
Standing time (min) | Primary school | I: 105.6 (7.5) C: 106.1 (7.5) | I: 131.2 (7.5) C: 97.5 (7.6) | 34.148 (9.711) | I: 195.1 (11.1) C: 188.6 (11.2) | I: 220.5 (11.1) C: 179.8 (11.4) | 34.464 (10.110) |
Secondary school | I: 73.7 (5.6) C: 66.4 (6.7) | I: 75.4 (6.3) C: 71.7 (7.4) | −4.762 (12.933) | I: 165.9 (10.1) C: 147.4 (11.8) | I: 138.4 (10.8) C: 144.0 (13.4) | −22.854 (22.858) | |
Stepping time (min) | Primary school | I: 82.5 (7.2) C: 74.8 (7.2) | I: 80.1 (7.2) C: 75.8 (7.3) | −4.426 (7.384) | I: 141.5 (8.3) C: 127.3 (8.4) | I: 134.1 (8.3) C: 138.2 (8.6) | −18.796 (10.038) |
Secondary school | I: 49.0 (3.5) C: 51.6 (4.2) | I: 53.4 (3.9) C: 58.8 (4.6) | −4.308 (7.862) | I: 165.9 (10.1) C: 147.4 (11.8) | I: 138.4 (10.8) C: 144.0 (13.4) | −16.087 (11.374) | |
Number of sit-to-stand transitions | Primary school | I: 43.7 (3.3) C: 42.7 (3.4) | I: 42.7 (3.3) C: 45.7 (3.4) | −4.042 (3.958) | I: 82.7 (5.9) C: 82.8 (6.0) | I: 85.0 (5.9) C: 83.9 (6.1) | 1.331 (6.105) |
Secondary school | I: 24.7 (1.8) C: 20.4 (2.1) | I: 21.7 (1.9) C: 21.8 (2.2) | −5.034 (2.991) | I: 49.4 (2.7) C: 3.8 (3.2) | I: 47.2 (2.8) C: 46.2 (3.5) | −4.974 (3.980) | |
Frequency sitting bouts | Primary school | I: 1.5 (0.2) C: 1.6 (0.2) | I: 1.2 (0.2) C: 1.9 (0.2) | −0.578 (0.364) | I: 2.8 (0.3) C: 2.7 (0.3) | I: 2.4 (0.3) C: 3.1 (0.3) | −0.816 (0.467) |
Secondary school | I: 3.6 (0.3) C: 3.4 (0.3) | I: 3.6 (0.3) C: 3.1 (0.3) | 0.463 (0.545) | I: 6.0 (0.4) C: 5.8 (0.4) | I: 6.5 (0.4) C: 6.3 (0.5) | 0.215 (0.773) | |
Time accumulated in sitting bouts (min) | Primary school | I: 74.4 (9.2) C: 75.9 (9.2) | I: 55.1 (9.2) C: 87.1 (9.6) | −30.518 (17.245) | I: 140.4 (14.0) C: 133.6 (14.5) | I: 113.0 (14.2) C: 151.5 (14.9) | −43.240 (22.743) |
Secondary school | I: 160.0 (12.8) C: 160.6 (15.3) | I: 164.8 (14.4) C: 147.9 (16.8) | 26.073 (26.802) | I: 277.2 (20.1) C: 283.6 (23.6) | I: 312.8 (21.5) C: 314.3 (26.5) | 13.014 (41.413) | |
Frequency standing bouts | Primary school | I: 34.3 (2.0) C: 34.9 (2.0) | I: 37.2 (2.0) C: 31.2 (2.1) | 6.488 (3.378) | I: 64.5 (3.1) C: 59.8 (3.2) | I: 66.3 (3.2) C: 56.3 (3.3) | 5.291 (4.760) |
Secondary school | I: 22.9 (1.7) C: 22.8 (2.0) | I: 21.9 (1.9) C: 22.8 (2.2) | −1.409 (3.681) | I: 46.6 (2.8) C: 45.6 (3.3) | I: 38.7 (3.0) C: 43.3 (3.7) | −5.628 (5.596) | |
Time accumulated in standing bouts (min) | Primary school | I: 75.3 (7.6) C: 78.8 (7.6) | I: 104.0 (7.6) C: 69.6 (7.7) | 37.648 (9.281) | I: 142.3 (10.8) C: 139.6 (10.9) | I: 170.9 (10.8) C: 129.0 (11.0) | 39.242 (8.812) |
Secondary school | I: 60.3 (5.1) C: 53.7 (6.1) | I: 61.8 (5.8) C: 57.4 (6.7) | −2.501 (11.928) | I: 134.8 (9.8) C: 120.5 (11.5) | I: 114.4 (10.6) C: 119.5 (13.0) | −16.751 (21.618) |