From: Prevalence of intestinal helminth infections in Jiangsu Province, eastern China; a cross-sectional survey conducted in 2015
Income level
No. of positive cases/participants
Positive rate (%)
χ2, P value
High
20/7277
0.27a
26.735, < 0.001
Middle
10/4830
0.21b
Low
44/5623
0.78