Table 8. Multilevel model for individual, household and area variables associated with hepatitis A infection.
| Variables | North | Southeast | South | |||||
|---|---|---|---|---|---|---|---|---|
| OR* (95% CI) | p | OR* (95% CI) | p | OR* (95% CI) | p | |||
| Individual level | ||||||||
| Age | 1,53 (1,29 – 1,82) | 0,001 | 1,16 (1,12 – 1,20 | 0,001 | 1,19 (1,14 – 1,24) | 0,001 | ||
| Schooling | ||||||||
| Illiterate and basic level | 1,0 | 1,0 | ||||||
| Secondary level or more | 0,10 (0,02 – 0,39) | 0,001 | 0,61 (0,43 – 0,85) | 0,004 | ||||
| Literacy | ||||||||
| Yes | 1,0 | |||||||
| No | 3,70 (1,04 – 13,2) | 0,043 | ||||||
| Household level | ||||||||
| Lack of water supply | ||||||||
| Never | 1,0 | 1,0 | ||||||
| At least one per month | 0,89 (0,57 – 1,38) | 0,606 | 1,79 (1,09 – 2,94) | 0,020 | ||||
| Rarely | 0,62 (0,47 – 0,83) | 0,001 | 1,74 (1,18 – 2,56) | 0,004 | ||||
| Sewage disposal | ||||||||
| Public system | 1,0 | |||||||
| Septic tank | 1,08 (0,73 – 1,59) | 0,698 | ||||||
| Other destination | 1,98 (1,24 – 3,18) | 0,004 | ||||||
| Income oh head of household | ||||||||
| < 2 | 1,0 | 1,0 | ||||||
| 2 or more | 0,58 (0,45 – 0,75) | 0,000 | 0,67 (0,52 – 0,87) | 0,003 | ||||
| Schooling of head of household | ||||||||
| Illiterate | ||||||||
| ≤ 8 years | 0,80 (0,58 – 1,09) | 0,162 | 0,85 (0,57 – 1,27) | 0,436 | ||||
| 9 years or more | 0,64 (0,43 – 0,94) | 0,023 | 0,57 (0,35 – 0,91) | 0,021 | ||||
| Area level | ||||||||
| % Female head of household | 0,94 (0,90 – 0,98) | 0,007 | 1,02 (1,00 – 1,03) | 0,009 | ||||
| % Illiterate head of household | 1,07 (1,03 – 1,10) | 0,000 | 1,10 (1,06 – 1,14) | 0,000 | ||||
| % Water supply covarage | 0,98 (0,97 – 0,98) | 0,000 | ||||||
*
Odds ratio corrected by random effect and weight sampling