Table 4: Multivariate analysis using Poisson regression for anemia and associated factors in children aged 6 to 23 months receiving care at Health Units of Vitória da Conquista, Bahia, Brazil, 2010/2011 (n=366).
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| PR | 95%CI | PR | 95%CI | PR | 95%CI | |
| Block 1 | ||||||
| Family income (minimum age) | ||||||
| >1 | 1 | 1.03-2.18* | 1 | 0.93-2.07 | 1 | 1.01-2.20* |
| ≤1 | 1.50 | 1.39 | 1.49 | |||
| Number of residentes in the household | ||||||
| ≤5 | 1 | 1.07-2.11* | 1 | 0.70-1.68 | 1 | 0.70-1.60 |
| >5 | 1.50 | 1.08 | 1.06 | |||
| Filtered water | ||||||
| Yes | 1 | 1.11-2.56* | 1 | 0.90-2.23 | 1 | 0.91-2.30 |
| No | 1.68 | 1.41 | 1.45 | |||
| Block 2 | ||||||
| Number of children | ||||||
| ≤3 | 1 | 1.01-2.68* | 1 | 1.02-2.57* | ||
| >3 | 1.64 | 1.62 | ||||
| Consumption of meat and/or viscera | ||||||
| ≥once a week | 1 | 1.24-2.58** | 1 | 0.97-2.07 | ||
| < once a week | 1.78 | 1.42 | ||||
| Block 3 | ||||||
| Age (months) | ||||||
| 12 to 23 | 1 | 1.20-2.55** | ||||
| 6 to 11 | 1.75 | |||||
| Akaike Criterion | 432.07 | 422.77 | 418.67 | |||
Model 1: adjusted between the variables in the block on structural processes of the society; Model 2: adjusted between the variables in the blocks on structural processes of the society and structural processes of the child’s immediate environment; Model 3: adjusted between the variables in the blocks on structural processes of the society, structural processes of the child’s immediate environment and individual processes of the child; PR: prevalence ratio; 95%CI: 95% confidence intervals; *p<0.05; **p<0.01.