Document Type : Original Article



BACKGROUND: One of the psychobehavioral factors that can predict drug abuse in students is
anger. This study aimed to evaluate the association between anger and drug addiction potential in
medical students in Iran in relation to their gender and college.
MATERIALS AND METHODS: This descriptive and analytical cross‑sectional study was conducted
on 373 students of five colleges at Lorestan University of Medical Sciences in Iran. For collecting
data, Persian versions of state‑trait anger expression inventory‑2 and addiction potential scale
were employed. Data were analyzed in SPSS software using t‑test, one‑way ANOVA, and Pearson
correlation test.
RESULTS: There was a significant positive relationship between subjective components of anger
(sate anger, trait anger, anger expression‑out, and anger expression‑in) and addiction potential in
samples (P < 0.05), while anger regulation components (anger control‑in and anger control‑out) had
significant negative correlation with addiction potential (P < 0.05). Moreover, a significant difference
was found in mean addiction potential scores between samples based on gender and college. With
respect to mean anger scores, the difference between students based on gender was significant only
in terms of state anger and anger expression‑in, while we found no significant difference between
them based on college except in anger expression‑out (P < 0.05).
CONCLUSION: Subjective components of anger can predict drug addiction potential in medical
students. It is recommended that anger management programs should be provided to the medical
students as one of the most important community groups in the field of public health.


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