Table 3.

Chi-square test of factors associated with parasitic contamination of fruits and vegetables sold in the central Market of Tarcha town from 1 to 22 March 2017

Variable	Parasitological analysis
	# [%]	Total	X2	p-value
Vendors level of education
Formal education	35 [25.9]	135	17.6	0.003
Illiterate	80 [59.2]	135
Total	115 [42.6]	270
Type of produce
Tomato	11 [24.4]	45
Lettuce	20 [44.4]	45
Carrot	15 [33.3]	45	13.2	0.002
Cabbage	32 [71.1]	45
Green pepper	20 [44.4]	45
Avocado	17 [37.8]	45
Total	115 [42.6]	270
Washed before display
Yes	28 [28.0]	100
No	87 [51.2]	170	7.9	0.16
Total	115[46.2]	270
Means of display
On the floor	77 [48.1]	160
On top of the table	38 [34.6]	110	2.9	0.7154
Total	115 [42.6]	270