Table 1.
Demographics of the sample of elementary-school children aged 8–14 years and their parents/guardians (n 1049), London, Ontario, Canada, October–November 2016
| Characteristic | Mean or n | % | sd |
|---|---|---|---|
| Age (years), mean and sd | 10·56 | – | 1·39 |
| Grade, n and % | |||
| 4 | 227 | 23·02 | |
| 5 | 240 | 24·34 | |
| 6 | 194 | 19·68 | |
| 7 | 189 | 19·17 | |
| 8 | 136 | 13·79 | |
| Sex, n and % | |||
| Male | 449 | 43·26 | |
| Female | 589 | 56·74 | |
| Race/ethnicity, n and % | |||
| White/Caucasian | 658 | 62·73 | |
| Visible minority/mixed race | 391 | 37·27 | |
| Household income level, n and % | |||
| Low | 85 | 8·10 | |
| Low–middle | 121 | 11·53 | |
| High–middle | 148 | 14·11 | |
| High | 339 | 32·32 | |
| Missing | 356 | 33·94 | |
| Maximum household education, n and % | |||
| High school or less | 121 | 11·89 | |
| College/university | 720 | 70·73 | |
| Graduate school | 177 | 17·39 | |
| Mother’s employment status, n and % | |||
| Employed | 700 | 74·39 | |
| Unemployed | 241 | 25·61 | |
| Father’s employment status, n and % | |||
| Employed | 711 | 93·55 | |
| Unemployed | 49 | 6·45 | |
| Child living arrangement, n and % | |||
| Single-parent/guardian household | 218 | 21·06 | |
| Two-parent/guardian household | 813 | 78·55 | |
| Other arrangement | 4 | 0·39 | |