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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