Table 4.
Multilevel logistic regression models set for internal and external school environment factors associated with obesity in adolescents enrolled in schools from Belo Horizonte City, Minas Gerais State, Brazil—2013–2014
| Variable | Null Model | Model 1 | Model 2 | Model 3 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OR | CI 95% | OR | CI 95% | OR | CI 95% | OR | CI 95% | |||||
| INDIVIDUAL VARIABLES | ||||||||||||
| Sex | ||||||||||||
| Male | Ref | Ref | ||||||||||
| Female | - | - | - | 0.98 | 0.88 | 1.09 | - | - | - | 0.96 | 0.86 | 1.07 |
| Age | ||||||||||||
| < 15 years | Ref | Ref | ||||||||||
| > = 15 years | - | - | - | 0.72* | 0.63 | 0.81 | - | - | - | 0.65* | 0.58 | 0.73 |
| Socioeconomic score | ||||||||||||
| High | Ref | Ref | ||||||||||
| Medium | - | - | - | 0.72* | 0.64 | 0.80 | - | - | - | 0.76* | 0.68 | 0.86 |
| Low | - | - | - | 0.75 | 0.49 | 1.15 | - | - | - | 0.74 | 0.48 | 1.15 |
| Lives with the parents | ||||||||||||
| Both | Ref | Ref | ||||||||||
| Only with the mother or father | - | - | - | 0.80* | 0.71 | 0.90 | - | - | - | 0.71* | 0.63 | 0.80 |
| No | - | - | - | 2.00* | 1.65 | 2.43 | - | - | - | 1.86* | 1.52 | 2.27 |
| How often the legal guardian has supper with the adolescent | ||||||||||||
| Never or almost never | Ref | Ref | ||||||||||
| Sometimes | - | - | - | 0.72* | 0.61 | 0.85 | - | - | - | 0.65* | 0.55 | 0.77 |
| Almost every day | - | - | - | 0.66* | 0.55 | 0.78 | - | - | - | 0.60* | 0.50 | 0.71 |
| Every day | - | - | - | 0.70* | 0.60 | 0.82 | - | - | - | 0.61* | 0.52 | 0.71 |
| Breakfast-having frequency | ||||||||||||
| Does not have it | Ref | Ref | ||||||||||
| Sometimes | - | - | - | 0.98 | 0.84 | 1.13 | - | - | - | 0.97 | 0.83 | 1.13 |
| Almost every day | - | - | - | 0.69* | 0.57 | 0.84 | - | - | - | 0.73* | 0.60 | 0.89 |
| Every day | - | - | - | 0.49* | 0.42 | 0.57 | - | - | - | 0.49* | 0.42 | 0.57 |
| Exercising | ||||||||||||
| Inactive | Ref | |||||||||||
| Insufficiently active | - | - | - | 0.86 | 0.75 | 0.99 | - | - | - | - | - | - |
| Active | - | - | - | 0.88 | 0.77 | 1.00 | - | - | - | - | - | - |
| ENVIRONMENTAL VARIABLES | ||||||||||||
| School sports environment | ||||||||||||
| Unfavorable conditions | Ref | |||||||||||
| More favorable conditions | - | - | - | - | - | - | 1.00 | 0.85 | 1.18 | - | - | - |
| Vulnerability to health index | ||||||||||||
| Low | Ref | Ref | ||||||||||
| Medium | - | - | - | - | - | - | 0.74* | 0.63 | 0.88 | 0.99 | 0.86 | 1.15 |
| High and very high | - | - | - | - | - | - | 0.66* | 0.44 | 0.98 | 0.58* | 0.40 | 0.83 |
| Managerial dependence | ||||||||||||
| Public | Ref | Ref | ||||||||||
| Private | - | - | - | - | - | - | 0.61* | 0.49 | 0.76 | 0.66* | 0.55 | 0.80 |
| Ready-to-eat food shops within the 800 m buffer around the school | ||||||||||||
| 1st tercile | Ref | Ref | ||||||||||
| 2nd tercile | - | - | - | - | - | - | 1.52* | 1.29 | 1.80 | 1.24* | 1.06 | 1.44 |
| 3rd tercile | - | - | - | - | - | - | 1.74* | 1.38 | 2.17 | 1.44* | 1.17 | 1.77 |
| Number of operational drinking fountains | - | - | - | - | - | - | 0.90* | 0.87 | 0.92 | 0.91* | 0.89 | 0.93 |
| Intercept | 0.08 | 0.07 | 0.08 | 0.22 | 0.18 | 0.28 | 0.09 | 0.07 | 0.11 | 0.42 | 0.32 | 0.55 |
| AIC (ICC) | 13,300.20 (0.07) | 11,432.64 (0.04) | 12,479.02 (0.03) | 10,737.15 (0.00) | ||||||||
OR Odds Ratio, CI95% 95% Confidence Interval, Ref. Reference, AIC Akaike's Information Criterion, ICC Intraclass Correlation Coefficient
*p < 0.05