Table 2.
Characteristics of study subjects and risk factors associated with the seropositivity of Toxoplasma gondii in Bai and Han ethnic groups, Yunnan Province, southwestern China
| Characteristic or risk factor | Bai ethnicity | Han ethnicity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. examined | No. positive | Prevalence, % | P* | OR | 95% CI | No. examined | No. positive | Prevalence, % | P* | OR | 95% CI | |
| Education | ||||||||||||
| Primary school | 142 | 50 | 35·2 | 0·144 | Ref. | — | 116 | 23 | 19·8 | 0·01 | Ref. | — |
| Junior high school | 200 | 66 | 33·0 | 0·906 | 0·576–1·426 | 243 | 28 | 11·5 | 0·527 | 0·288–0·962 | ||
| Senior middle school | 179 | 58 | 32·4 | 0·882 | 0·554–1·405 | 188 | 15 | 8·0 | 0·351 | 0·175–0·704 | ||
| College | 34 | 5 | 14·7 | 0·317 | 0·116–0·871 | 48 | 3 | 6·3 | 0·27 | 0·077–0·094 | ||
| Consumption of raw pork and/or liver | ||||||||||||
| Never | 35 | 3 | 8·6 | 0·000 | Ref. | — | 412 | 29 | 7·0 | 0·000 | Ref. | — |
| Occasionally | 132 | 14 | 10·6 | 1·266 | 0·343–4·675 | 83 | 7 | 8·4 | 1·216 | 0·514–2·878 | ||
| Not often | 176 | 37 | 21·0 | 2·839 | 0·824–9·789 | 52 | 9 | 17·3 | 2·764 | 1·228–6·224 | ||
| Often | 212 | 125 | 59·0 | 15·326 | 4·549–51·635 | 48 | 24 | 50·0 | 13·207 | 6·69–26·073 | ||
| Feeding cat | ||||||||||||
| No | 489 | 157 | 32·1 | 0·841 | Ref. | — | 493 | 34 | 6·9 | 0·000 | Ref. | — |
| Yes | 66 | 22 | 33·3 | 1·057 | 0·613–1·825 | 102 | 35 | 34·3 | 7·052 | 4·122–12·066 | ||
OR, Odds ratio; CI, confidence interval; Ref., used as the reference group.
*
Estimated using the χ2 test.