Variable | Group | No. tested | No. positive | Percentage (%) |
---|---|---|---|---|
Gender | Boys | 123 | 77 | 62.6 |
Girls | 132 | 84 | 63.6 | |
Age group (yr) | 8 ≦ | 31 | 21 | 67.7 |
9 | 82 | 52 | 63.4 | |
10 | 83 | 58 | 69.9 | |
≧ 11 | 59 | 30 | 50.9 | |
Parents Occupation | Skilled worker | 41 | 20 | 48.8 |
Semiskilled worker | 65 | 35 | 53.9 | |
Non-skilled worker | 145 | 106 | 73.1 | |
Symptoms | Ocular | |||
No | 123 | 77 | 62.6 | |
Yes | 39 | 28 | 71.8 | |
Headache | ||||
No | 61 | 35 | 57.4 | |
Yes | 176 | 114 | 64.8 | |
Abdominal pain | ||||
No | 50 | 36 | 72.0 | |
Yes | 190 | 117 | 61.6 | |
Seizure | ||||
No | 134 | 86 | 64.2 | |
Yes | 6 | 3 | 50.0 | |
Risk factors | Raising dogs | |||
No | 100 | 61 | 61.0 | |
Yes | 139 | 94 | 67.6 | |
Raising cats | ||||
No | 115 | 0 | 0.0 | |
Yes | 126 | 123 | 97.6 | |
Playing in the soil | ||||
No | 4 | 2 | 50.0 | |
Yes | 66 | 43 | 65.2 | |
Eating raw meat | ||||
No | 4 | 4 | 100.0 | |
Yes | 66 | 65 | 98.5 | |
Eating raw vegetables | ||||
No | 23 | 16 | 69.6 | |
Yes | 223 | 142 | 63.7 | |
Drink unboiled water | ||||
No | 52 | 31 | 59.6 | |
Yes | 194 | 127 | 65.5 | |
Total | 255 | 161 | 63.1 |