Table 2 Prevalence of Giardia duodenalis infection according to demographic data and family characteristics.
Risk factor (total n*) | n | Positive results (%) | p | Risk Estimate (OR) | OR Confidence Interval (95%) |
|---|---|---|---|---|---|
Gender (844) | |||||
Male | 446 | 31 (6.9) | 0.891 | 1.06 | 0.62 - 1.82 |
Female | 398 | 26 (6.5) | 1.00 | ||
Age (844) | |||||
0 - 5 years | 403 | 31 (7.8) | 0.268 | 1.41 | 0.82 - 2.43 |
6 - 15 years | 441 | 26 (5.8) | 1.00 | ||
Family structure | |||||
Number of adults (839) | |||||
1 | 42 | 5 (11.9) | 0.187 | 2.02 | 0.76 - 5.36 |
> 1 | 797 | 50 (6.2) | 1.00 | ||
Number of children (825) | |||||
1 | 349 | 24 (6.8) | 0.777 | 1.10 | 0.63 - 1.91 |
> 1 | 476 | 30 (6.3) | 1.00 | ||
Birth order (759) | |||||
Not the first | 479 | 16 (6.8) | 0.646 | 0.82 | 0.44 - 1.52 |
First | 280 | 33 (5.7) | 1.00 | ||
Mother's educational level (828) | |||||
No educated | 13 | 3 (23.0) | 0.047 | 4.49 | 1.20 - 16.84 |
Educated | 815 | 51 (6.2) | 1.00 | ||
Father's educational level (812) | |||||
No educated | 14 | 6 (42.8) | < 0.001 | 12.26 | 4.08 - 36.82 |
Educated | 798 | 46 (5.7) | 1.00 | ||
Attendance of day care institution/Kindergarten (789) | |||||
Yes | 640 | 43 (6.7) | 0.592 | 0.82 | 0.42 - 1.60 |
No | 149 | 12 (8.0) | 1.00 | ||
Day care centre (< 3 years) (844) | |||||
Yes | 193 | 14 (7.2) | 0.745 | 1.11 | 0.59 - 2.07 |
No | 651 | 43 (6.6) | 1.00 | ||
Kindergarten (3-5 years) (844) | |||||
Yes | 352 | 20 (5.6) | 0.332 | 0.74 | 0.42 - 1.30 |
No | 492 | 37 (7.5) | 1.00 | ||
Helicobacter pylori infection (821) | |||||
Yes | 56 | 25 (44.6) | 0.037 | 1.82 | 1.05 - 3.15 |
No | 756 | 235 (30.7) | 1.00 | ||
Chronic disease (837) | |||||
Yes | 87 | 5 (5.7) | 0.824 | 0.82 | 0.32 - 2.11 |
No | 750 | 52 (6.9) | 1.00 |