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Table 3 Multiple comparisons of SDQ scores of children by Bonferroni post hoc test

From: Mental health status compared among rural-to-urban migrant, urban and rural school-age children in Guangdong Province, China

 95% Confidence Interval
SubscalesIJMean Difference (I-J)Std. ErrorpLower BoundUpper Bound
Emotional SymptomsRuralUrban0.970.19< 0.010**0.511.42
Migrant0.350.170.131−0.070.76
MigrantUrban0.620.180.001**0.201.04
Conduct ProblemsRuralUrban0.100.141.000−0.240.45
Migrant0.030.131.000−0.290.34
MigrantUrban0.080.131.000−0.240.40
Hyperactivity/InattentionRuralUrban0.780.18< 0.001***0.351.21
Migrant0.250.160.382−0.140.64
MigrantUrban0.530.17< 0.010**0.130.93
Peer ProblemsRuralUrban0.200.140.494−0.140.53
Migrant−0.310.130.052−0.610.00
MigrantUrban0.500.13< 0.001***0.190.82
Prosocial BehaviourRuralUrban−0.200.180.779−0.630.23
Migrant−0.060.161.000−0.450.33
MigrantUrban−0.140.171.000−0.540.26
Total Difficulties ScoreRuralUrban2.050.46< 0.001***0.933.16
Migrant0.320.421.000−0.701.33
MigrantUrban1.730.43< 0.001***0.702.76
  1. SDQ Strengths and Difficulties Questionnaire; ** p < 0.01, *** p < 0.001