Table 2 Predisposition to A. lumbricoides infection as measured by the correlation coefficient, Kendall’s tau: a rank correlation, non-parametric procedure

From: Molecular epidemiology of Ascaris lumbricoides following multiple rounds of community-wide treatment

  

y1y2

y2y3

y3y4

y4y5

y1y5

All Geshiyaro Sites

Overall

0.180

P 0.00

0.253

P 0.00

0.215

P 0.00

0.253

P 0.00

0.083

P 0.1

Always treated

0.065

P 0.13

0.134

P 0.2

0.170

P 0.31

Partially treated

0.21

P 0.004

0.259

P 0.006

0.178

P 0.00

0.111

P 0.0025

0.098

P. 0.03

Korke Doge kebele

Overall

0.194

P 0.043

0.277

P 0.00

0.117

P 0.073

0.233

P 0.005

0.213

P 0.03

Always treated

0.098

P 0.26

0.128

P 0.07

0.118

P 0.08

Partially treated

0.177

P 0.058

0.269

P 0.005

0.105

P 0.07

0.259

P 0.03

0.206

P 0.06

  1. Correlation is measured on a scale from −1 to 1, where values close to 1 indicate a high level of predisposition to infection, whereby those who were infected are more likely to be reinfected again. P values of significance are given as P < 0.001, p < 0.01, p < 0.05, or p > 0.05.