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We assessed self-reported drives for alcohol use and their impact on clinical features of alcohol use disorder (AUD) patients. Our prediction was that, in contrast to “affectively” (reward or fear) driven drinking, “habitual” drinking would be associated with worse clinical features in relation to alcohol use and higher occurrence of associated psychiatric symptoms.
Fifty-eight Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) alcohol abuse patients were assessed with a comprehensive battery of reward- and fear-based behavioral tendencies. An 18-item self-report instrument (the Habit, Reward and Fear Scale; HRFS) was employed to quantify affective (fear or reward) and non-affective (habitual) motivations for alcohol use. To characterize clinical and demographic measures associated with habit, reward, and fear, we conducted a partial least squares analysis.
Habitual alcohol use was significantly associated with the severity of alcohol dependence reflected across a range of domains and with lower number of detoxifications across multiple settings. In contrast, reward-driven alcohol use was associated with a single domain of alcohol dependence, reward-related behavioral tendencies, and lower number of detoxifications.
These results seem to be consistent with a shift from goal-directed to habit-driven alcohol use with severity and progression of addiction, complementing preclinical work and informing biological models of addiction. Both reward-related and habit-driven alcohol use were associated with lower number of detoxifications, perhaps stemming from more benign course for the reward-related and lack of treatment engagement for the habit-related alcohol abuse group. Future work should further explore the role of habit in this and other addictive disorders, and in obsessive-compulsive related disorders.
In this study, we compared duration of untreated illness (DUI) in obsessive-compulsive disorder (OCD), panic disorder (PD), and social anxiety disorder (SAD) patients and investigated its correlates, both within specific diagnoses and across the whole sample.
Eighty-eight patients (33 OCD, 24 SAD, and 31 PD) had their diagnosis confirmed by the Mini International Neuropsychiatric Interview, were assessed for treatment-seeking variables, and were evaluated with instruments aimed at quantifying transdiagnostic features (i.e., the Cause subscale of the Illness Perception Questionnaire–Mental Health and the Anxiety Sensitivity Index–Revised) and severity of illness (i.e., Beck Depression and Anxiety Inventories, the Dimensional Obsessive-Compulsive Scale, the Panic and Agoraphobia Scale, and the Social Phobia Inventory).
The only differences between groups with short (<2 years) versus long (>2 years) DUI were greater fear of public display of anxiety in the first group and greater social avoidance in the second group. The DUI was significantly different between groups that sought treatment after the onset of illness, with OCD patients having longer DUI than PD patients and shorter DUI than SAD patients. Further, DUI correlated negatively with the perception of OCD being caused by stress and positively with severity of panic-related disability in SAD patients, but not in PD or OCD patients.
There was substantial delay in treatment seeking among the anxiety and obsessive-compulsive disorder patients, particularly those with OCD or SAD. Perception of stress as a cause of OCD prompted treatment seeking, while severity of panic symptoms delayed treatment seeking.
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