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Table 1 Comparisons of Emotional and Behavioural Problems (raw scores) at Time 1, Time 2, and Time 3 (N = 593)

From: Continuity, psychosocial correlates, and outcome of problematic substance use from adolescence to young adulthood in a community sample

  Problematic Substance Use Group Control Group  
  Total Total F
YSR/YASR Secondary Scales Mean SD Mean SD (df = 1)
Time 1 (N = 30) (N = 563)  
Internalizing 10.82 6.34 9.05 6.27 2.47
Externalizing 15.24 5.96 9.58 5.73 32.13***
Time 2 (N = 155) (N = 438)  
Internalizing 11.40 7.91 9.89 7.24 4.82*
Externalizing 13.68 6.23 8.84 5.12 99.59***
Time 3 (N = 290) (N = 303)  
Internalizing 8.59 6.55 8.39 6.72 0.23
Externalizing 8.52 5.60 5.23 3.87 61.46***
  1. *p < .05 **p < .01 ***p < .001