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Table 6 Correlations between anxiety disorders and the duration of substance use and the age of substance use onset

From: Prevalence of anxiety disorders and its co-occurrence with substance use disorder: a clinical study

  Mean Standard deviation PDa Agoraphobia SADb GADc
p value r p value r p value r p value r
Duration (year) 15.86 10.04 0.951 − 0.004 0.560 0.037 0.992 0.001 0.478 − 0.080
Age of onset (year) 20.32 7.53 0.401 − 0.054 0.629 − 0.031 0.529 − 0.040 0.567 0.037
  1. aPanic disorder
  2. bSocial anxiety disorder
  3. cGeneralized anxiety disorder