Gender differences in the effects of childhood adversity on alcohol, drug, and polysubstance-related disorders.

Evans EA, Grella CE, Upchurch DM. Gender differences in the effects of childhood adversity on alcohol, drug, and polysubstance-related disorders. Social psychiatry and psychiatric epidemiology. 2017 Jul 1; 52(7):901-912.

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Abstract:

PURPOSE: To examine gender differences in the associations between childhood adversity and different types of substance use disorders and whether gender moderates these relationships. METHODS: We analyzed data from 19,209 women and 13,898 men as provided by Wave 2 (2004-2005) of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) to examine whether gender moderates the associations between childhood adversity and DSM-IV defined lifetime occurrence of alcohol, drug, and polysubstance-related disorders. We used multinomial logistic regression, weighted to be representative of the US adult civilian, noninstitutionalized population, and we calculated predicted probabilities by gender, controlling for covariates. To test which specific moderation contrasts were statistically significant, we conducted pair-wise comparisons corrected for multiple comparisons using Bonferroni's method. RESULTS: For each type of substance use disorder, risk was increased by more exposure to childhood adversity, and women had a lower risk than men. However, moderation effects revealed that with more experiences of childhood adversity, the gender gap in predicted probability for a disorder narrowed in relation to alcohol, it converged in relation to drugs such that risk among women surpassed that among men, and it widened in relation to polysubstances. CONCLUSIONS: Knowledge regarding substance-specific gender differences associated with childhood adversity exposure can inform evidence-based treatments. It may also be useful for shaping other types of gender-sensitive public health initiatives to ameliorate or prevent different types of substance use disorders.