Cigarette smoking in subjects maintained with methadone or buprenorphine: The role of psychiatric symptoms and psychological distress

The relationship between cigarette smoking, psychiatric symptoms/psychological distress in subjects maintained with methadone or buprenorphine was studied. 1049 subjects with a diagnosis of heroin use disorder were enrolled. The Symptom Checklist-90-Revised (SCL-90-R) and the General Health Questionnaire-12 (GHQ-12) were administered. The analyses were run in the whole sample and stratified for substitution therapies. In the whole sample as well...