Table 1.
Baseline participant characteristics, sedentary time, and mediator variables by intervention group
| |
SB |
PA |
SB + PA |
Control |
Total |
|---|---|---|---|---|---|
| Variable | (n = 74) | (n = 75) | (n = 80) | (n = 64) | (N = 293) |
| Child age (years) |
7.9 (1.4) |
7.8 (1.4) |
8.0 (1.4) |
8.1 (0.4) |
8.0 (1.3) |
| Child sex (%) | |||||
| Boys |
36.5 |
47.4 |
51.2 |
40.6 |
44.2 |
| Girls |
63.5 |
52.6 |
48.8 |
59.4 |
55.8 |
| Parental education (%) | |||||
| Low |
13.5 |
14.5 |
17.5 |
12.5 |
14.6 |
| Medium |
37.8 |
38.1 |
45.0 |
53.1 |
43.2 |
| High |
48.7 |
47.4 |
37.5 |
34.4 |
42.2 |
| Country of birth (%) | |||||
| Australia |
70.3 |
67.1 |
61.2 |
75.0 |
66.9 |
| Other |
29.7 |
32.9 |
38.8 |
25.0 |
33.1 |
| Classroom sedentary time (% of wear time) | |||||
| Baseline |
58.9 (5.9) |
60.4 (6.4) |
62.1 (7.0) |
60.8 (5.8) |
60.6 (6.4) |
| Mid-intervention |
60.1 (6.6) |
60.1 (6.2) |
60.2 (6.8) |
62.7 (4.8) |
60.7 (6.3) |
| Weekday sedentary time (min/day) | |||||
| Baseline |
62.9 (7.5) |
64.4 (8.3) |
63.4 (6.7) |
64.6 (6.1) |
63.8 (7.2) |
| Mid-intervention |
61.5 (7.8) |
64.4 (6.9) |
62.5 (6.6) |
63.0 (6.0) |
62.8 (6.9) |
| Child enjoyment of standing in classa | |||||
| Baseline |
2.2 (1.4) |
2.4 (1.3) |
2.5 (1.3) |
2.2 (1.4) |
2.3 (1.3) |
| Mid-intervention |
3.3 (1.3) |
2.9 (1.3) |
2.9 (1.4) |
2.4 (1.4) |
2.9 (1.4) |
| Parent outcome expectancies of child standing in classa | |||||
| Baseline |
3.0 (0.6) |
2.9 (0.6) |
3.0 (0.6) |
2.8 (0.6) |
2.9 (0.6) |
| Mid-intervention |
3.2 (0.6) |
3.0 (0.6) |
3.1 (0.6) |
2.9 (0.6) |
3.1 (06) |
| Teacher outcome expectancies of children standing in classa | |||||
| Baseline |
2.2 (0.4) |
2.4 (0.4) |
2.5 (0.7) |
2.5 (0.7) |
2.4 (0.6) |
| Mid-intervention |
2.1 (0.5) |
2.3 (0.7) |
2.1 (0.6) |
2.3 (0.5) |
2.2 (0.6) |
| Child perceived access to standing opportunities in the classroom environmentb | |||||
| Baseline |
1.6 (0.4) |
1.6 (0.5) |
1.6 (0.4) |
1.6 (0.4) |
1.6 (0.4) |
| Mid-intervention | 1.9 (0.4) | 1.8 (0.5) | 1.8 (0.4) | 1.5 (0.3) | 1.8 (0.4) |
PA = physical activity; SB = sedentary behavior.
Data presented as mean (standard deviation) for continuous variables and % for categorical variables.
There were no significant baseline group differences for any of the variables.
aRange of values was 1–5; bRange of values was 1–3.