Table 1. Prevalence of intestinal parasitic infections, as determined by analysis of stool specimens, according to age group and sex of 1041 food handlers in Sari, Northern Iran, 2011-2012.

Variable	Total n (%)	Positive n (%)	OR	p-value
Sex
Male	620 (59.5)	118 (19)	0.48 [0.33,0.70]	0.0001
Female	421 (40.5)	43 (10.2)
Age group
<19	197 (18.9)	22 (11.2)	0.62 [0.37,1.02]	0.06
20-29	170 (16.3)	28 (16.8)
30-39	499 (47.9)	84 (16.8)
40-49	155 (15)	24 (15.5)
>50	20 (1.9)	3 (15)