ArticlePsychiatry investigation2025
Alcohol Drinking and the Associations Between Age and Posttraumatic Stress Disorder: A 2-Year Longitudinal Study.
Article in Psychiatry investigation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aimed to examine the associations between age group, alcohol drinking status, and the development of posttraumatic stress disorder (PTSD) over a 2-year period in individuals who have sustained physical injuries.
methodsParticipants were consecutively recruited from a trauma center and prospectively followed for 2 years. At baseline, alcohol drinking status was assessed using consumption history and the Alcohol Use Disorders Identification Test (AUDIT). Age was categorized into younger (<60 years) and older (≥60 years) groups. A range of socio-demographic and clinical covariates were also collected. PTSD diagnosis during follow-up (3-, 6-, 12-, and 24-month post-injury) was established using the Clinician-Administered PTSD Scale for DSM-5 (CAPS-5). Binary and multinomial logistic regression analyses explored the relationships between alcohol drinking status, age group, and PTSD.
resultsOf 1,047 participants, 122 (11.7%) developed PTSD: 8.2% at 3 months, 7.2% at 6 months, 4.7% at 12 months, and 3.8% at 24 months. Younger age was significantly associated with PTSD. While alcohol use alone wasn't linked to PTSD, it modified the age-PTSD relationship. This effect was weaker in hazardous drinkers (AUDIT ≥8) and stronger in low-risk drinkers (AUDIT <8), particularly at later follow-ups (6-24 months), but not at 3 months.
conclusionA significant alcohol-dependent association between age and PTSD highlights the need for targeted prevention strategies considering both alcohol use and age in physically injured individuals.
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