Table 2.
Prevalence of intestinal parasitic infections in relation to drinking water quality, classified as satisfactory or unsatisfactory, in the years 2014, 2015, and 2016 in the rural communities studied in Settlement 25 de Maio, Ceará State, Brazil.
| 2014 | 2015 | 2016 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Water Quality ∗ (n=151) | Water Quality ∗ (n=184) | Water Quality ∗ (n=199) | |||||||
| Intestinal Parasitoses | Satisfactory (%) | Unsatisfactory (%) | p- value | Satisfactory (%) | Unsatisfactory (%) | p- value | Satisfactory (%) | Unsatisfactory (%) | p- value |
|
| |||||||||
| Giardia intestinalis | 6/68 (8.8%) | 3/83 (3.6%) | 0.300 | 28/131 (21.4%) | 9/53 (17.0%) | 0.594 | 6/57 (10.5%) | 8/141(5.7%) | 0.463 |
| Iodamoeba butschlii | _ | _ | _ | _ | _ | _ | 7/57 (12.3%) | 4/141 (2.8%) | 0.063 |
| Entamoebahistolytica/dispar | 6/68 (8.8%) |
3/83 (3.6%) | 0.300 | 11/131 (8.4%) |
2/53 (3.8%) | 0.353 | 15/57 (26.3%) |
28/141 (19.9%) |
0.528 |
| Entamoeba coli | 7/68 (10.3%) | 1/83 (1.2%) | 0.022 | 19/131 (14.5%) | 8/53 (15.1%) | 1 | 17/57 (29.8%) | 36/141 (25.5%) | 0.688 |
| Endolimax nana | _ | _ | _ | 7/131 (5.3%) |
1/53 (1.8%) | 0.441 | 15/57 (26.3%) |
31/141 (22.0%) |
0.694 |
| Ascaris lumbricoides | 24/68 (35.3%) | 10/83 (12,1%) | 0.001 | 38/131 (29.0%) | 17/53 (32.1%) | 0.723 | 4/57 (7.0%) | 2/141 (1.4%) | 0.111 |
∗The classification of water quality as satisfactory or unsatisfactory followed the parameters of water quality presented in Ordinance 2914 (December 12, 2011) of Brazil's Ministry of Health.