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. Author manuscript; available in PMC: 2026 Jul 30.
Published in final edited form as: Drug Alcohol Depend. 2025 Jul 30;275:112811. doi: 10.1016/j.drugalcdep.2025.112811

Table 3.

Conditional indirect effect of perceived drug availability on the relationship between actual drug availability and self-reported drug use moderated by community disorder

Indirect effects 95% bootstrap confidence interval p-value

ACME at different levels of community disorder
 Very low (mean – 2*SD) 0.017 (0.007, 0.030) p <0.001***
 Low (mean – 1*SD) 0.015 (0.007, 0.020) p <0.001***
 Average (mean) 0.011 (0.005, 0.020) p<0.001***
 High (mean + 1*SD) 0.004 (−0.001, 0.010) p=0.130
 Very high (mean + 2*SD) 0.000 (−0.006, 0.010) p =1.000

Statistical significance tests
 Test of ACME (low) – ACME (high) 0.010 (0.000, 0.022) p=.048*
 Test of ACME (very low) – ACME (very high) 0.016 (0.004, 0.030) p=0.004**

ACME: average causal mediation effect; SD: standard deviation