Table 1 Measures
Domain | Measure | Content | Reference | Time-point |
|---|---|---|---|---|
Primary outcome | ||||
Alcohol consumption | Timeline Followback (TLFB) | TLFB is used to identify alcohol-free days as well as number of drinks per day. Patients indicate their daily standard drink intake before administration. | [26] | Baseline and follow-up (after 8 and 26 weeks) |
Secondary outcomes | ||||
Addiction severity | Addiction Severity Index (ASI) | ASI assesses characteristics and problems in various domains of life; e.g. alcohol and drug use module – and also physical and mental health, employment, legal problems and social functioning. | [27] | Baseline and follow-up (after 8 and 26 weeks) |
Craving | Desires for Alcohol Questionnaire (DAQ) | DAQ measures three dimensions of current craving: desire and intention to use alcohol; negative reinforcement of alcohol use, and control of alcohol use. | [28] | Baseline and follow-up (after 8 and 26 weeks) |
Obsessive Compulsive Drinking Scale (OCDS) | The OCDS is designed to reflect obsessive patterns and compulsivity related to craving and drinking behaviour. | [29] | Baseline and follow-up (after 8 and 26 weeks) | |
The Visual Analogue Scale for Craving (VAS) | VAS measures on the subjective experience of the intensity of current craving for alcohol. | [30] | Baseline and follow-up (after 8 and 26 weeks) | |
Coping skills and self-efficacy | The Urge-Specific Strategies Questionnaire (USS) | USS is designed to assess the patient’s use of coping skills when trying to stop themselves from drinking after experiencing an urge. | [14] | Baseline and follow-up (after 8 and 26 weeks) |
Alcohol Abstinence Self-Efficacy Scale (AASE) | The AASE assesses self-efficacy and evaluates an individual’s efficacy (e.g. confidence in their ability) to abstain from drinking. | [31] | Baseline and follow-up (after 8 and 26 weeks) | |