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P-value =0.425
| Years of residence | Number examined | Parasitic infestation | Non-parasitic infection |
| Less than 1 year | 100 | 41 (41%) | 59 (59%) |
| More than 1 year | 150 | 54 (36%) | 96 (64.0%) |
| Total | 250 | 95 (38.0%) | 155 (62.0%) |
