Table 1.
Descriptive statistics for measures and correlates; adolescents (n 4642) aged 11–15-years, Danish HBSC study, 2010
| n | % | |
|---|---|---|
| Measure description | ||
| Frequency of fast food | ||
| Less than once weekly | 3353 | 68·12 |
| Once weekly or more | 1500 | 30·48 |
| Missing (excluded) | 69 | 1·40 |
| Student-perceived fast-food outlet measure | ||
| None (ref.) | 1190 | 24·18 |
| One outlet | 1217 | 24·73 |
| Two or more outlets | 1961 | 39·84 |
| Don’t know, recoded to none (excluded) | 502 | 10·19 |
| Missing (excluded) | 52 | 1·06 |
| Objective fast-food outlet measure | ||
| Zero outlets; 51 schools (ref.) | 2706 | 54·98 |
| One outlet | 913 | 18·55 |
| Two or more outlets | 1303 | 26·47 |
| Correlates of fast-food intake | ||
| Sex | ||
| Girls (ref.) | 2458 | 49·94 |
| Boys | 2464 | 50·06 |
| Grade | ||
| 5th (ref.) | 1839 | 37·36 |
| 7th | 1652 | 33·56 |
| 9th | 1431 | 29·08 |
| Family social class | ||
| High (ref.) | 1612 | 32·75 |
| Middle | 1760 | 35·76 |
| Low | 799 | 16·23 |
| Unclassified | 663 | 13·47 |
| Missing (excluded) | 88 | 1·79 |
| Language spoken at home | ||
| Danish (ref.) | 4470 | 90·82 |
| Other | 295 | 5·99 |
| Missing (excluded) | 157 | 3·19 |
| School travel time | ||
| 15 min or less (ref.) | 3822 | 77·65 |
| More than 15 min | 1062 | 21·58 |
| Missing (excluded) | 38 | 0·77 |
| School leader-reported items | ||
| Students allowed to leave school | ||
| Allowed for some (ref.) | 30 | 40·00 |
| Not allowed at all | 39 | 52·00 |
| Missing (excluded) | 6 | 8·00 |
| Presence of school canteen | ||
| No (ref.) | 55 | 73·33 |
| Yes | 8 | 10·67 |
| Missing (excluded) | 12 | 16·00 |
HBSC, Health Behaviour in School-aged Children; ref., referent category.