Table 2. Unadjusted and adjusted prevalence ratios (95%CI)a for neighborhood safety and support on overweight and obesity for US children and adolescents aged 10-17 years: 2011-2011 NSCH.
| Neighborhood characteristics | Overweight | ||||
| Unadjusted | Model 1 | Model 2 | Model 3 | Model 4 | |
| Safety | |||||
| Yes | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| No | 1.43 (1.29, 1.59) | 1.26 (1.13, 1.41) | 1.14 (1.01, 1.28) | 1.14 (1.01,1.28) | 1.12 (0.99, 1.27) |
| Support | |||||
| Yes | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| No | 1.43 (1.32, 1.56) | 1.32 (1.21, 1.45) | 1.22 (1.11, 1.34) | 1.22 (1.11, 1.34) | 1.21 (1.10, 1.33) |
| Obesity | |||||
| Safety | |||||
| Yes | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| No | 1.81 (1.53, 2.14) | 1.53 (1.29, 1.83) | 1.32 (1.10, 1.58) | 1.31 (1.09, 1.58) | 1.30 (1.08, 1.56) |
| Support | |||||
| Yes | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| No | 1.54 (1.33, 1.77) | 1.36 (1.17, 1.59) | 1.21 (1.03, 1.41) | 1.20 (1.03, 1.40) | 1.18 (1.01, 1.38) |
a. Crude association of BMI categories; prevalence ratios adjusted for age, sex, race/ethnicity (Model 1); additionally adjusted by parent or guardian education and poverty (Model 2); further adjusted for asthma (Model 3); and finally, additionally adjusted for physical activity and sedentary activities (Model 4).