Table 1.
Socioeconomic parameters and environmental risk factors of patients who are seropositive or seronegative for IgG anti-Toxoplasma gondii antibodies in an outpatient eye clinic, São José do Rio Preto, São Paulo state, Brazil*
| Seropositive | Seronegative | OR | 95% CI | P value | |||
|---|---|---|---|---|---|---|---|
| n | % | n | % | ||||
| Total (n = 349) | 260 | 74·5 | 89 | 25·5 | |||
| Gender | |||||||
| Female | 125 | 48·1 | 37 | 41·6 | 1·301 | 0·7997–2·117 | 0·325 |
| Male | 135 | 51·9 | 52 | 58·4 | |||
| Mean age (years) | 57·1 | 56·4 | 0·721 | ||||
| (s.d.) | 17·5 | 15·3 | |||||
| Median (range) | 61 (18–88) | 58 (18–87) | |||||
| Years at school | |||||||
| 0–7 | 203 | 78·1 | 67 | 75·3 | 1·169 | 0·6651–2·056 | 0·660 |
| ⩾8 | 57 | 21·9 | 22 | 24·7 | |||
| Family income, minimum salary (Reais, R$) | |||||||
| ⩽1 | 82 | 31·5 | 31 | 34·8 | 0·839 | ||
| 1·5–3·5 | 152 | 58·5 | 50 | 56·2 | |||
| ⩾4 | 26 | 10·0 | 8 | 9·0 | |||
| Blood transfusion recipient | 64 | 24·6 | 17 | 19·1 | 1·383 | 0·7595–2·518 | 0·312 |
| Direct contact with cat or dog | 223 | 85·8 | 65 | 73·0 | 2·225 | 1·242–3·988 | 0·009 |
| Work with soil | 93 | 35·8 | 22 | 24·7 | 1·696 | 0·9840–2·923 | 0·067 |
| Drink unpasteurized milk | 142 | 54·6 | 52 | 58·4 | 0·8563 | 0·5260–1·394 | 0·540 |
| Consumption of raw/undercooked meat | 110 | 42·3 | 26 | 29·2 | 1·777 | 1·057–2·986 | 0·032 |
| Does not wash vegetables well | 6 | 2·3 | 3 | 3·4 | 0·6772 | 0·1657–2·767 | 0·699 |
| Live in the countryside | 18 | 6·9 | 8 | 9·0 | 0·7531 | 0·3154–1·798 | 0·492 |
| Drink tap water | 134 | 51·5 | 53 | 59·5 | 0·7224 | 0·4433–1·177 | 0·219 |
| Lack of basic sanitary conditions | 26 | 10·0 | 11 | 12·3 | 0·7879 | 0·3721–1·668 | 0·552 |
| Rats, cockroaches or flies in the home | 94 | 36·15 | 31 | 34·83 | 1·059 | 0·6399–1·754 | 0·898 |
OR, Odds ratio; CI, confidence interval.
*
Univariate analysis; 95% confidence interval, P⩽0·05.