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

Table 1

Seroprevalence of T. gondii IgG 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	4	16.67 (0.59-32.74)	0.6599	112	12	10.71 (4.90-16.53)	0.8646	0.4115
41 – 50	129	22	17.05 (10.48-23.63)		82	8	8.89 (2.90-14.88)		0.1390
51 – 60	179	24	18.32 (11.61-25.03)		138	12	8.70 (3.94-13.46)		0.1898
Gender
Male	162	25	15.43 (9.81-21.05)	0.8533	171	14	8.19 (4.04-12.34)	0.3557	0.0399
Female	170	25	14.71 (9.33-20.08)		161	18	11.18 (6.26-16.10)		0.3403
Geographic region
Jilin	147	27	15.70 (10.21-21.19)	0.1331	150	13	8.67 (4.11-13.22)	0.5859	0.0143
Heilongjiang	185	23	16.08 (9.99-22.18)		182	19	10.44 (5.95-14.92)		0.5488
Cat at home
No	154	16	10.39 (5.52-15.26)	0.0269	137	13	9.49 (4.52-14.46)	0.9383	0.7980
Yes	178	34	19.77 (13.76-25.78)		195	19	9.74 (5.54-13.94)		0.0097
Habits of washing hand before meals
No	158	28	16.28 (10.71-21.85)	0.0117	161	22	13.66 (8.30-19.03)	0.0159	0.3190
Yes	174	22	14.47 (8.81-20.13)		171	10	5.85 (2.30-9.40)		0.0686
Total	332	50	15.06 (11.19-18.93)		332	32	9.64 (6.45-12.83)		0.0337