Table 2.
Association between exposure to school fast-food outlet access and junk food consumption during lunchtime 2 or more times weekly among secondary-school students in Quebec, Canada, 2010–2011
| Bivariate analyses | Model A | Model B | Model C | Model D | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR | 95 % CI | OR | 95 % CI | OR | 95 % CI | OR | 95 % CI | OR | 95 % CI | |
| Individual- and familial-level variables | ||||||||||
| Student’s sex | ||||||||||
| Girls (ref.) | 1·00 | 1·00 | 1·00 | 1·00 | ||||||
| Boys | 1·42 | 1·27, 1·58 | 1·56 | 1·39, 1·74 | 1·49 | 1·33, 1·68 | 1·49 | 1·33, 1·68 | ||
| Student’s age | ||||||||||
| 13 years or younger (ref.) | 1·00 | 1·00 | 1·00 | 1·00 | ||||||
| 14 years or older | 1·17 | 1·02, 1·34 | 1·10 | 0·97, 1·26 | 1·12 | 0·97, 1·30 | 1·12 | 0·97, 1·29 | ||
| Family status | ||||||||||
| Two-parent (ref.) | 1·00 | 1·00 | 1·00 | 1·00 | ||||||
| Reconstituted (4) | 1·09 | 0·93, 1·27 | 1·06 | 0·90, 1·24 | 1·05 | 0·89, 1·25 | 1·05 | 0·89, 1·25 | ||
| Shared custody (3) | 1·24 | 1·08, 1·43 | 1·20 | 1·03, 1·39 | 1·20 | 1·02, 1·41 | 1·20 | 1·02, 1·41 | ||
| Lone-parent (2) | 1·08 | 0·91, 1·28 | 1·21 | 0·96, 1·31 | 1·11 | 0·93, 1·33 | 1·11 | 0·93, 1·33 | ||
| Other (1) | 1·76 | 1·29, 2·42 | 1·73 | 1·19, 2·52 | 1·67 | 1·14, 2·42 | 1·56 | 1·08, 2·25 | ||
| Student’s perceived health | ||||||||||
| Very good or excellent (ref.) | 1·00 | 1·00 | 1·00 | 1·00 | ||||||
| Good (2) | 1·16 | 1·05, 1·28 | 1·17 | 1·05, 1·30 | 1·21 | 1·09, 1·42 | 1·21 | 1·09, 1·35 | ||
| Poor or fair (1) | 1·31 | 1·04, 1·67 | 1·47 | 1·18, 1·83 | 1·49 | 1·17, 1·88 | 1·49 | 1·18, 1·88 | ||
| Parental education | ||||||||||
| College- or university-level education (ref.) | 1·00 | 1·00 | 1·00 | 1·00 | ||||||
| High school (2) | 1·28 | 1·13, 1·46 | 1·26 | 1·11, 1·43 | 1·24 | 1·09, 1·42 | 1·25 | 1·09, 1·43 | ||
| Less than high school (1) | 1·30 | 1·07, 1·57 | 1·31 | 1·08, 1·60 | 1·27 | 1·04, 1·56 | 1·26 | 1·03, 1·55 | ||
| School-level variables | ||||||||||
| School deprivation index | ||||||||||
| Less deprived (ref.) | 1·00 | 1·00 | 1·00 | |||||||
| More deprived (1) | 1·36 | 1·16, 1·61 | 1·44 | 1·22, 1·71 | 1·39 | 1·18, 1·63 | ||||
| School urban/rural status | ||||||||||
| Rural (ref.) | 1·00 | 1·00 | 1·00 | |||||||
| Urban (1) | 1·20 | 1·02, 1·41 | 1·39 | 1·16, 1·66 | 1·27 | 1·06, 1·52 | ||||
| School access to fast-food outlets (no. of fast-food outlets within a 750 m street network distance buffer) | ||||||||||
| Low access (access to 0 or 1 food outlets) | 1·00 | 1·00 | ||||||||
| High access (access to 2 or more food outlets) | 1·55 | 1·32, 1·82 | 1·50 | 1·28, 1·75 | ||||||
| School-level variance (se) | 0·78 | 0·06 | 0·80 | 0·06 | 0·62 | 0·05 | 0·59 | 0·05 | ||
| MOR (80 % – IOR%) | 2·31 | 1·29, 2·36 | 2·34 | 1·72, 2·36 | 2·11 | 1·71, 2·14 | 2·07 | 1·72, 2·10 | ||
| PCV | Ref. | −2·56 % | 20·51 % | 24·35 % | ||||||
Ref., reference category; MOR, median odds ratio; IOR, interval for odds ratio; PCV, change in variance.