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Table 4 Infection rates of participants with different income levels in rural areas

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
  1. a Statistically significant differences (P < 0.001), compared to positive rate with low income level;
  2. b Statistically significant differences (P < 0.001), compared to positive rate with low income level;