Characteristics of the primary school group (n=1253)
| Variable type | Variable | N | Percentage | Well-being score | |
| Mean | SD | ||||
| Well-being | SCWS | 1253 | 100 | 46.0 | 8.4 |
| Nutrition | Fruit and veg intake | ||||
| None (ref) | 102 | 9.1 | 44.5 | 8.6 | |
| 1 or 2 | 375 | 29.9 | 45.3 | 8.5 | |
| 3 or 4 | 419 | 33.4 | 46.9 | 7.5 | |
| 5 or more | 357 | 28.5 | 46.2 | 8.9 | |
| Breakfast | |||||
| Conventional (ref) | 1083 | 86.4 | 46.6 | 8.0 | |
| Snack | 27 | 2.2 | 39.6 | 10.2 | |
| Something else | 16 | 1.3 | 46.3 | 7.3 | |
| Just a drink | 37 | 3.0 | 43.6 | 9.3 | |
| Nothing to eat or drink | 90 | 7.2 | 41.7 | 9.6 | |
| Lunch | |||||
| Packed lunch (ref) | 840 | 67.0 | 46.7 | 8.0 | |
| School food | 371 | 29.6 | 44.8 | 8.6 | |
| Takeaway or shop | 15 | 1.2 | 43.5 | 10.6 | |
| Went home for lunch | 15 | 1.2 | 48.3 | 8.4 | |
| Did not have any lunch | 12 | 1.0 | 36.0 | 10.4 | |
| Free school meals | |||||
| No (ref) | 992 | 79.2 | 46.3 | 8.1 | |
| Don't know | 123 | 9.8 | 45.6 | 7.5 | |
| Yes | 138 | 11.0 | 44.6 | 10.5 | |
| Weight satisfaction | |||||
| I am happy (ref) | 858 | 68.5 | 47.2 | 7.6 | |
| I would like to lose weight | 355 | 28.3 | 43.5 | 9.4 | |
| I would like to put on weight | 40 | 3.2 | 42.2 | 8.8 | |
| Demographic | Age group | ||||
| 8 or 9 years (ref) | 399 | 31.8 | 45.7 | 8.2 | |
| 10 years | 737 | 58.8 | 46.3 | 8.4 | |
| 11 years | 117 | 9.3 | 45.6 | 8.8 | |
| Gender | |||||
| Female (ref) | 537 | 42.9 | 45.5 | 8.7 | |
| Male | 641 | 51.2 | 46.7 | 7.7 | |
| Other description | 23 | 1.8 | 41.4 | 10.2 | |
| Don't want to say | 52 | 4.2 | 44.8 | 10.4 | |
| Ethnic group | |||||
| White (ref) | 1126 | 89.9 | 46.3 | 8.2 | |
| Black | 21 | 1.7 | 41.3 | 9.2 | |
| Asian | 19 | 1.5 | 45.8 | 9.4 | |
| Chinese | 10 | 0.8 | 44.4 | 6.4 | |
| Mixed or other background | 28 | 2.2 | 42.8 | 10.3 | |
| Don't want to say | 49 | 3.9 | 43.5 | 9.8 | |
| Health | Disability/long-term illness | ||||
| No (ref) | 812 | 64.8 | 47.0 | 7.8 | |
| Not sure | 179 | 14.3 | 43.6 | 8.7 | |
| Yes | 216 | 17.2 | 44.8 | 9.2 | |
| Don't want to say | 46 | 3.7 | 44.7 | 9.2 | |
| Living situation | Parental living situation | ||||
| Mum and dad (ref) | 827 | 66.0 | 46.7 | 7.8 | |
| Mainly or only one parent | 179 | 14.3 | 44.0 | 9.9 | |
| Mum and dad shared | 104 | 8.3 | 45.1 | 8.2 | |
| Parent+step-parent/partner | 120 | 9.6 | 44.5 | 8.9 | |
| Same sex parents | 2 | 0.2 | 38.5 | 3.5 | |
| Other relatives | 19 | 1.5 | 48.1 | 9.3 | |
| Other | 2 | 0.2 | 50.5 | 13.4 | |
| Parent smokes | |||||
| No (ref) | 878 | 70.1 | 46.9 | 7.7 | |
| Yes | 375 | 29.9 | 44.0 | 9.3 | |
| Own bed | |||||
| Yes (ref) | 1209 | 96.5 | 46.0 | 8.4 | |
| Not sure | 9 | 0.7 | 43.1 | 5.2 | |
| No | 20 | 2.4 | 47.5 | 7.4 | |
| Don't want to say | 5 | 0.4 | 38.4 | 7.4 | |
| Adverse experience | Been bullied | ||||
| No (ref) | 742 | 59.2 | 48.1 | 7.2 | |
| Yes, a little | 392 | 31.3 | 43.8 | 8.3 | |
| Yes, a lot | 119 | 9.5 | 40.0 | 10.4 | |
| Bullied others | |||||
| No (ref) | 756 | 60.3 | 45.9 | 8.8 | |
| Don't know | 416 | 33.2 | 46.4 | 7.6 | |
| Yes | 81 | 6.5 | 44.8 | 8.1 | |
All variables are categorical with categories as indicated, except SCWS score which is a continuous variable.
SCWS, Stirling Children’s Well-being Scale.