Toxoplasma gondii Infection in Dustmen in Northeastern China: A Case-Control Seroprevalence Study

Table 2

Seroprevalence of T. gondii IgM infection in dustmen and control subjects in China.

Characteristic	Dustmen				Control subjects				Dustmen vs Controls
	No. tested	No. positive	% (95% CI)	P value	No. tested	No. positive	% (95% CI)	P value	P value
Age Group (years)
≤ 40	24	0	0 (-)	0.8173	112	1	0.89 (0-2.66)	0.7103	0.6422
41 – 50	129	2	1.55 (0-3.71)		82	0	0 (-)		0.2573
51 – 60	179	3	1.68 (0-3.57)		138	1	0.72 (0-2.16)		0.4518
Gender
Male	162	5	3.09 (0.39-5.78)	0.0210	171	2	1.17 (0-2.80)	0.1560	0.2230
Female	170	0	0 (-)		161	0	0 (-)		-
Geographic region
Jilin	147	2	1.36 (0-3.26)	0.8462	150	1	0.67 (0-1.98)	0.8907	0.5499
Heilongjiang	185	3	1.62 (0-3.46)		182	1	0.55 (0-1.63)		0.3226
Cat at home
No	154	2	1.30 (0-3.11)	0.7730	137	0	0 (-)	0.2345	0.1836
Yes	178	3	1.69 (0-3.59)		195	2	1.03 (0-2.45)		0.5800
Habits of washing hand before meals
No	158	5	3.16 (0.41-5.92)	0.0181	161	2	1.24 (0-2.97)	0.1438	0.2413
Yes	174	0	0 (-)		171	0	0 (-)		-
Total	332	5	1.51 (0.19-2.82)		332	2	0.60 (0-1.44)		0.2543