Demographic and behavioural characteristics (weighted) by grade level (n=5238)
| Student characteristics | N | All (n=5238) | Kindergarten (n=1150) | Grade level | |||||||
| 2 (n=1305) | 4 (n=1429) | 6 (n=1354) | |||||||||
| Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% | ||
| Age (years) | 5238 | 8.2 | (8.1 to 8.3) | 5.4 | (5.3 to 5.4) | 7.3 | (7.3 to 7.4) | 9.3 | (9.2 to 9.4) | 11.3 | (11.3 to 11.4) |
| Sex | |||||||||||
| Boys | 2510 | 49.3 | (46.4 to 52.1) | 49.8 | (46.6 to 53.0) | 48.3 | (45.4 to 51.2) | 48.8 | (45.4 to 52.3) | 50.2 | (45.7 to 54.8) |
| Girls | 2728 | 50.7 | (47.9 to 53.6) | 50.2 | (47.0 to 53.4) | 51.7 | (48.8 to 54.6) | 51.2 | (47.7 to 54.6) | 49.8 | (45.2 to 54.3) |
| Residence | |||||||||||
| Urban | 4002 | 78.1 | (65.0 to 91.2) | 80.0 | (67.8 to 92.3) | 79.7 | (67.3 to 92.1) | 75.8 | (61.5 to 90.1) | 76.4 | (62.4 to 90.4) |
| Rural | 1236 | 21.9 | (8.8 to 35.0) | 20.0 | (7.7 to 32.2) | 20.3 | (7.9 to 32.7) | 24.2 | (9.9 to 38.5) | 23.6 | (9.6 to 37.6) |
| Language background | |||||||||||
| English | 4529 | 87.9 | (83.2 to 92.6) | 85.8 | (80.3 to 91.2) | 87.6 | (82.5 to 92.7) | 88.3 | (83.9 to 92.8) | 90.1 | (85.9 to 94.4) |
| Asian | 74 | 6.5 | (4.2 to 8.7) | 8.9 | (5.6 to 12.2) | 6 | (3.4 to 8.5) | 6.2 | (4.1 to 8.3) | 4.6 | (2.7 to 6.4) |
| European | 229 | 1.5 | (1.0 to 1.9) | 1.3 | (0.6 to 2.0) | 2 | (1.0 to 2.9) | 1.1 | (0.5 to 1.7) | 1.5 | (0.8 to 2.3) |
| Middle-Eastern | 314 | 4.2 | (0.5 to 7.9) | 4.1 | (0.1 to 8.0) | 4.4 | (0.3 to 8.5) | 4.4 | (0.9 to 8) | 3.8 | (0.4 to 7.2) |
| Body mass index category57 | |||||||||||
| Thin | 342 | 6.5 | (5.7 to 7.3) | 6.5 | (4.8 to 8.1) | 5.7 | (4.4 to 7.0) | 7.3 | (5.8 to 8.8) | 6.7 | (5.3 to 8) |
| Healthy weight | 3535 | 70.6 | (67.6 to 73.6) | 76.1 | (72.8 to 79.4) | 71.9 | (68.8 to 75.1) | 66.6 | (62.7 to 70.4) | 67.3 | (63.1 to 71.5) |
| Overweight | 832 | 15.8 | (14.1 to 17.6) | 11.1 | (9.4 to 12.9) | 15.0 | (12.8 to 17.2) | 17.9 | (15.2 to 20.6) | 19.7 | (16.5 to 22.9) |
| Obese | 355 | 7.1 | (5.2 to 8.9) | 6.3 | (3.6 to 9.0) | 7.4 | (5.0 to 9.7) | 8.2 | (6.1 to 10.4) | 6.3 | (4.2 to 8.4) |
| Waist-to-height ratio | |||||||||||
| <0.50 | 4306 | 85.7 | (83.0 to 88.4) | 83.5 | (79.3 to 87.8) | 88.2 | (84.8 to 91.5) | 84.8 | (81.9 to 87.7) | 86.4 | (83.1 to 89.6) |
| ≥0.50 | 738 | 14.3 | (11.6 to 17.0) | 16.5 | (12.2 to 20.7) | 11.8 | (8.5 to 15.2) | 15.2 | (12.3 to 18.1) | 13.6 | (10.4 to 16.9) |
| Active school travel per day (mins) | 5238 | 5.6 | (4.9 to 6.4) | 5.1 | (4.0 to 6.3) | 4.7 | (3.8 to 5.5) | 4.1 | (3.3 to 5.0) | 8.8 | (7.2 to 10.4) |
| Sedentary time (mins) | 5238 | 261.9 | (252.7 to 271.1) | 244.9 | (234.8 to 255) | 264.7 | (253.7 to 275.6) | 283.3 | (271.3 to 295.2) | 256.6 | (239.3 to 273.9) |
| Loose playground equipment | |||||||||||
| Has equipment | 3307 | 34.1 | (19.1 to 49.2) | 33.3 | (18.2 to 48.5) | 34.2 | (18.9 to 49.5) | 34.3 | (19.1 to 49.5) | 34.8 | (19.3 to 50.2) |
| No equipment | 1931 | 65.9 | (50.8 to 80.9) | 66.7 | (51.5 to 81.8) | 65.8 | (50.5 to 81.1) | 65.7 | (50.5 to 80.9) | 65.2 | (49.8 to 80.7) |
| ICSEA | 5238 | 1048 | (1025.3 to 1070) | 1050.7 | (1027.2 to 1074.2) | 1047 | (1024.2 to 1069.8) | 1046.8 | (1024.6 to 1069) | 1045.8 | (1023.5 to 1068) |
| Population density (1000 people/hectare) | 5238 | 1.9 | (1.4 to 2.3) | 1.9 | (1.4 to 2.3) | 1.9 | (1.4 to 2.4) | 1.8 | (1.3 to 2.4) | 1.8 | (1.3 to 2.3) |
ICSEA, Index of Community Socio-Educational Advantage.