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Table 3 Distribution of mental health problems as clustering variables, the omnibus mental health problems variable, and future violent arrests, and control variables across three clusters of Dutch boys

From: The relation between mental health problems and future violence among detained male juveniles

  Cluster 1 (n = 170) Cluster 2 (n = 36) Cluster 3 (n = 78) Pair-wise comparisons
M (SD) M (SD) M (SD) M (SD)
Alcohol/drug use 1.55 (1.96) 3.11 (2.33) 4.29 (2.36) 1 < 2, 3; 2 < 3
Angry-irritable* 1.38 (1.36) 5.25 (2.05) 5.13 (1.73) 1 < 2, 3
Depressed-anxious* 0.64 (0.82) 3.19 (1.53) 2.60 (1.56) 1 < 2, 3
Somatic complaints* 1.68 (1.29) 2.19 (1.43) 2.55 (1.60) 1 < 3
Thought disturbances* 0.19 (0.45) 1.28 (0.97) 0.74 (0.95) 1 < 2, 3; 3 < 2
Suicide ideation* 0.05 (0.21) 3.03 (1.00) 0.26 (0.44) 1 < 2, 3; 3 < 2
Conduct problems* 1.70 (1.38) 3.89 (1.88) 3.71 (1.89) 1 < 2, 3
Hyperactivity 3.85 (2.08) 5.81 (2.21) 6.35 (2.18) 1 < 2, 3
Omnibus variable* 0.99 (0.92) 5.0 (1.40) 4.0 (1.5) 1 < 2, 3; 3 < 2
Future violent arrests 0.39 (0.79) 0.44 (0.81) 0.38 (0.71)  
Age 16.85 (1.46) 16.73 (2.03) 16.84 (1.12)  
Past violent arrests 1.12 (0.97) 1.11 (1.39) 1.45 (0.97)  
Follow-up time (weeks) 148.5 (73.20) 167.44 (76.8) 143.14 (75.31)  
  1. Pair-wise comparisons based on Bonferroni unless otherwise specified
  2. * Pair-wise comparisons based on Games–Howell