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Table 2 Inter-correlations of predictors (age 15; Study 1 & 2), substance use (age 15 & 24; Study 1), and mental health (age 16 & 19; Study 2)

From: Incremental validity of sense of coherence, neuroticism, extraversion, and general self-efficacy: longitudinal prediction of substance use frequency and mental health

  SOC 15 N 15 E 15 GSE 15 TOB 15 ALC 15 CAN 15 TOB 24 ALC 24 CAN 24 SCL 16
Sense of coherence (SOC) 15 -           
Neuroticism (N) 15 −.64**** -          
Extraversion (E) 15 −.03 .05 -         
General self-efficacy (GSE) 15 .47**** −.26**** .32**** -        
Tobacco use (TOB) 15 −.22**** .19*** .22**** −.04 -       
Alcohol use (ALC) 15 −.10* .13** .29**** .03 .50**** -      
Cannabis use (CAN) 15 −.07 .11* .17*** −.02 .46**** .40**** -     
Tobacco use (TOB) 24 −.31**** .21** .18** −.09 .41**** .22** .15* -    
Alcohol use (ALC) 24 −.15* .01 .08 −.04 −.02 .35**** .11 .19** -   
Cannabis use (CAN) 24 −.11 .07 .21** −.12 .10 .05 .20** .38**** .31*** -  
Mental health (SCL) 16 −.49**** .43**** .09 −.13** .22**** .18*** .04 .21** .11 .07 -
Mental health (SCL) 19 −.39**** .32**** .03 −.18** .12 .07 .04 .10 .01 .05 .57****
  1. Bivariate Ns range between 91 and 286; * p < 0.10, ** p < .05, *** p < .01, **** p < .001