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Table 4 Multivariate Cox regression for maltreatment reports after temporary custody cancelation

From: Cumulative risk effect of household dysfunction for child maltreatment after intensive intervention of the child protection system in Japan: a longitudinal analysis

  HR 95% CI Wald test p
Household dysfunction score model
 HD score
  0 1.00 [ref.]  
  1 1.32 [0.67, 2.62] 0.418
  2 2.39 [1.26, 4.54] 0.008
  3 3.17 [1.45, 6.92] 0.004
MTM score model
 MTM score
  0–1 1.00 [ref.]  
  2 2.41 [1.09, 5.30] 0.029
  3 6.01 [2.91, 12.41] < .001
  1. Note: All models were adjusted for age, amount of prior CPS involvement, duration of temporary custody, and post-temporary custody service with missing values imputed by multiple imputation method
  2. HR hazard ratio, CI confidence interval, HD household dysfunction (sum of each of the three individual categories of interparental violence, parental substance abuse, and mental health problem), MTM multi-type maltreatment (number of types of maltreatment, i.e., physical abuse, emotional abuse, and neglect)