Variable (no. of missing observations) | Category | Casesa | Non-casesb | PRR | 95% CI | P |
---|---|---|---|---|---|---|
Gender (0) | Male | 33 | 116 | 1.07 | 0.71–1.60 | 0.759 |
Female | 42 | 160 | Reference | Â | Â | |
Age group (0) | ≤ 7 years old | 16 | 85 | 0.67 | 0.41–1.11 | 0.108 |
>  7 years old | 59 | 191 | Reference |  |  | |
Walking barefoot (0) | Exposed | 52 | 174 | 1.25 | 0.81–1.94 | 0.313 |
Unexposed | 23 | 102 | Reference | Â | Â | |
Household size (9) | >  6 individuals | 37 | 123 | 1.17 | 0.78–1.76 | 0.451 |
≤ 6 individuals | 36 | 146 | Reference |  |  | |
Bath place (1) | Otherc | 37 | 156 | 0.79 | 0.53–1.18 | 0.253 |
Home | 38 | 119 | Reference | Â | Â | |
Contact with domestic animals (10) | Exposed | 63 | 222 | 1.14 | 0.66–1.99 | 0.633 |
Unexposed | 12 | 50 | Reference | Â | Â | |
Body mass indexd(10) | ≤ P5 | 31 | 97 | 1.25 | 0.83–1.90 | 0.276 |
> P5 | 41 | 172 | Reference | Â | Â | |
Haemoglobin leveld(14) | ≤ 11 g/dl | 19 | 84 | 0.81 | 0.51–1.30 | 0.385 |
>  11 g/dl | 53 | 181 | Reference |  |  |