Table 1. Distribution of Giardia intestinalis infection according to sociodemographic characteristics in Santa Isabel do Rio Negro-AM, Brazil, 2011.
| Characteristic | Number of Giardia intestinalis positive / examined subjects (% positive) | p-valuea |
|---|---|---|
| Locality | ||
| Aparecida | 7/47 (14.9%) | 0.026 |
| Centro | 3/20 (15.0%) | |
| Santana | 18/104 (17.3%) | |
| Santa Ines | 25/87 (28.7%) | |
| São José Operário | 11/104 (10.6%) | |
| São Judas Tadeu | 9/71 (12.7%) | |
| Sex | ||
| Female | 29/208 (14.0%) | 0.157 |
| Male | 44/225 (19.6%) | |
| Age (years) | ||
| 0–1 | 10/60 (16.7%) | 0.164 |
| 2–5 | 35/158 (22.2%) | |
| 6–11 | 25/192 (13.0%) | |
| 12–14 | 3/17 (17.6%) | |
| Unknown | 0/6 (0%) | |
| Income per capita per month (USD) USD 1 = BRL 4 | ||
| Below the poverty line (≤ 38.5) | 48/280 (17.1%) | 0.854 |
| Above the poverty line (> 38.5 and ≤ 330) | 19/116 (16.4%) | |
| Unknown | 6/37 (16.2%) |
aFisher exact test.