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The Contribution of Childhood Maltreatment to the Incidence of Heavy Cannabis Use in Iran (Irns-Cci): A Multicenter, Matched-Pairs, Nested, Case-Control Study Publisher Pubmed



Pirnia B1 ; Soleimani A1 ; Farhoudian A2 ; Zahiroddin A3
Authors
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Authors Affiliations
  1. 1. Department of Psychology, Faculty of Humanities, University of Science and Culture, Tehran, Iran
  2. 2. Department of Psychiatry, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Psychiatry, Behavioral Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Child Abuse and Neglect Published:2024


Abstract

Background: Previous studies have shown the role of the interaction between the endocannabinoid system (ECS) and life's adversities in the formation of addiction, including alcohol abuse. Objective: Our objective was to identify childhood maltreatment (CM) patterns with the strongest impact on the probability of heavy cannabis use (THCCOOH concentrations ≥150 ng/mL) in Iran. Participants and setting: Using survivor sampling, 350 adult participants were selected, and they were then allocated to three categories based on an optimal algorithm: 1) Sexual abuse, 2) Physical abuse, and 3) Physical neglect. Methods: From 1 September 2019 to 1 May 2023, we implemented a multicenter, matched-pairs, nested, case-control study based on the wave 3-wave 6 data of a longitudinal, multicenter, cohort study. The cases and controls (n = 350 men) were defined according to the severity of CM. The THC potency was evaluated with the delta-9 carboxy tetrahydrocannabinol (THC-COOH) levels in urine using gas chromatography/mass spectrometry (GC/MS). We calculated the population attributable fractions (PAFs) to identify the patterns of maltreatment associated with the highest odds of high-potency cannabis use. Results: Accumulating CM, including sexual abuse, physical abuse, and physical neglect, carried more than three times the risk of heavy cannabis use (OR 3.4 95 % CI 2.9–4.1), and the combination of the three indicators of maltreatment and a high BMI (25–29.9) carried more than four times the risk of heavy cannabis use (OR 4.7 95 % CI 2.7–4.1) compared to the controls. We estimated that in the case of zero CM for each of the three indicators, over 20 % of new cases of heavy cannabis use can be prevented. Conclusions: The findings show the significance of CM as a predicator of heavy cannabis use in adulthood and in the abstinence phase. © 2024 Elsevier Ltd
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