Seroprevalence and Risk Factors Associated with Toxoplasma gondii Infection in the Population Referred to Rural and Urban Health Care Centers in Zahedan, Primary Referral Level, in Southeastern Iran

Table 1

Seroprevalence of Toxoplasma gondii infection according to sociodemographic characteristics estimated by univariable and multivariable logistic regression models.

Variables		No. of participants (%)	No. of seropositives (%)	Univariable		Multivariable		Collinearity statistic
				ORunadjusted (95% CI)	value	ORadjusted (95% CI)	value	VIF
Age	≤10	51 (4.7)	8 (3.2)	1 (ref)		Ref (1)		1.08
	11-30	346 (32.2)	173 (69.2)	2.93 (1.35-6.35)	0.006	3.25 (1.29-7.06)	0.01
	31-50	397 (37)	55 (22)	0.84 (0.36-1.8)	0.61	0.68 (0.28-1.69)	0.00
	≥51	280 (26)	14 (5.6)	0.29 (0.11-0.72)	0.008	0.16 (0.6-0.48)	0.00
Sex	Male	351 (32.7)	72 (28.8)	1 (ref)		1 (ref)		1.30
	Female	723 (67.3)	178 (71.2)	0.83 (0.61-1.12)	0.23	1.92 (0.75-1.87)	0.44
Job	Farmer	133 (12.4)	18 (7.2)	1 (ref)		Ref (1)		1.30
	Other	257 (24)	52 (20. 8)	1.49 (0.84-2.65)	0.17	2.43 (1.15-5.16)	0.02
	Rancher	117 (10.9)	27 (10.8)	1.70 (0.89-3.25)	0.10	2.67 (1.24-5.73)	0.01
	Housekeeper	328 (30.5)	79 (31.6)	1.78 (1.02-3.08)	0.04	2.76 (1.44-5.28)	0.00
	Employee	110 (10.2)	27 (10.8)	1.81 (0.94-3.44)	0.07	2.06 (1.06-4.02)	0.03
	Student	129 (12)	47 (18.8)	2.69 (1.45-4.88)	0.01	3.76 (1.88-4.53)	0.01
Residence	Rural	427 (39.7)	82 (32.8)	1 (ref)		1 (ref)		1.41
	Urban	647 (60.3)	168 (67.2)	1.35 (1.01-1.80)	0.04	4.36 (2.9-6.3)	0.000
Vegetable washing method	Water	421 (39)	50 (20)	1 (ref)		1 (ref)		1.33
	Salt and detergent	653 (61)	200 (80)	2.57 (1.84-3.59)	0.001	0.14 (0.09-0.23)	0.000
Raw meat consumption	No	542 (50.5)	115 (46)	1 (ref)		Ref (1)		1.08
	Yes	532 (49.5)	135 (54)	1.96 (0.90-1.57)	0.2	1.44 (0.88-2.3)	0.14
Contact with cat	No	774 (72)	119 (47.6)	1 (ref)		1 (ref)		1.04
	Yes	300 (28)	131 (52.4)	2.84 (2.14-3.76)	0.000	7.67 (4.76-12.36)	0.000
Contact with soil	No	126 (11.7)	21 (8.4)	1 (ref)	0.12	1 (ref)		1.08
	Yes	948 (88.3)	229 (91.6)	1.44 (0.89-2.35)		1.67 (0.96-2.9)	0.06