Volume 12, Number 4—April 2006
Research
Recently Acquired Toxoplasma gondii Infection, Brazil
Table 2
Factors associated with risk for acute Toxoplasma gondii infection, Erechim, Brazil, 2003–2004, N=241 (univariate factors shown with p<0.05)*
Factor | No. with factor/no. patients† (%) | No. with factor/no. controls† (%) | OR (95% CI) | p value |
---|---|---|---|---|
Have a garden (excludes those living on farms) | 59/69 (85.5) | 41/61 (67.2) | 2.88 (1.22–6.78) | 0.01 |
Born in Erechim or upper Uruguay | 78/130 (60.0) | 98/110 (89.1) | 0.18 (0.09–0.37) | <0.0001 |
Work in garden | 57/130 (43.9) | 30/110 (27.3) | 2.08 (1.21–3.59) | 0.008 |
Eat cured, dried, or smoked meat given by friend or relative | 60/130 (46.2) | 33/110 (30.0) | 2.00 (1.17–3.41) | 0.01 |
Eat rare meat | 73/131 (55.7) | 47/110 (42.7) | 1.69 (1.01–2.81) | 0.045 |
Of those that eat raw meat, eat raw beef | 18/31 (58.1) | 14/16 (87.5) | 0.20 (0.04–1.02) | 0.042‡ |
Of those that eat raw meat, eat raw ground beef | 11/31 (35.5) | 12/16 (75.0) | 0.18 (0.05–0.71) | 0.01 |
Of those that eat raw meat, eat raw ground chicken | 2/30 (6.7) | 5/15 (33.3) | 0.14 (0.02–0.86) | 0.02 |
Eat frozen lamb | 37/131 (28.2) | 19/110 (17.3) | 1.89 (1.01–3.52) | 0.045 |
Male sex | 72/131 (55.0) | 42/110 (38.2) | 1.98 (1.18–3.31) | 0.01 |
Work in yard >1×/wk | 65/90 (72.2) | 35/71 (49.3) | 2.67 (1.39–5.15) | 0.003 |
*OR, odds ratio; CI, confidence interval.
†Totals vary because some questions applied to a subset of participants and because response rates varied.
‡Exact method, OR 0.20, 95% CI 0.02–1.14, p = 0.078.