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Table 1 Values of the intracluster correlation coefficients among the siblings for the mistreatment status and for the six associated factors investigated (n = 134, with 57 siblings and with minimum 2 and maximum 6 children by siblings)

From: Does the presence of siblings affect the results produced by a surveillance system of child mistreatment? Comparisons of several commonly-used statistical methods

Variables

ICC (95 % CI)

P valueLR

Status (mistreatment vs. at risk)

0.888 (0.694–0.964)

<0.001

Gender

≈0

1

Age

0.272 (0.064–0.670)

0.042

Country of birth

0.873 (0.730–0.946)

<0.001

Living environment

0.857 (0.724–0.932)

<0.001

Type of admission

0.986 (0.968–0.994)

<0.001

Previous known case files

0.996 (0.994–0.997)

<0.001

  1. The P valueLR is the p value from the likelihood ratio test