Table 2.

Bivariate analysis of socioeconomic factors associated with infection with Toxoplasma gondii in 963 pregnant women in Fortaleza, Brazil^*

Risk factor	No.	No. (%) IgG positive	Odds ratio (95% confidence interval)	P
Socioeconomic factors
Age, years
≥ 25	380	279 (73.4)	1.52 (1.13–2.05)	0.004
< 25	554	357 (64.4)
Education
Illiterate	28	22 (78.6)	1.70 (0.66–5.18)	0.305
Literate	934	638 (68.3)
Monthly household income, MW
≤ 1	379	278 (73.4)	1.49 (1.11–2.01)	0.007
> 1	566	367 (64.8)
Employment
No	618	431 (69.7)	1.13 (0.84–1.52)	0.424
Yes	343	230 (67.1)
Residence/location
Metropolitan region of Fortaleza	77	52 (67.5)	0.93 (0.55–1.61)	0.798
Fortaleza	868	599 (69.0)
Street
Sand/cobblestone	359	262 (73.0)	1.39 (1.03–1.88)	0.026
Asphalt	603	398 (66.0)
House
Loam	20	16 (80.0)	1.85 (0.59–7.65)	0.336
Brick	943	645 (68.4)
Floor of the house
Sand/soil	34	29 (85.3)	2.73 (1.02–9.10)	0.037
Cement/ceramic	929	632 (68.0)
Sanitary conditions
Forrest/pothole	538	376 (69.9)	1.16 (0.87–1.54)	0.294
Sewage pipe	420	280 (66.7)
Contact with soil†
Yes	116	81 (69.8)	1.07 (0.69–1.68)	0.831
No	847	580 (68.5)
Cat ownership
Yes	246	179 (72.8)	1.31 (0.94–1.83)	0.112
No	716	481 (67.2)
Dog ownership
Yes	360	264 (73.3)	1.43 (1.06–1.92)	0.018
No	603	397 (65.8)

^*MW = minimum wage of 260 Reais = U.S. $120.

^†Contact with soil while working in the garden outside with plants.