Harmful or hazardous alcohol use Mental and Behavioural Disorders Harmful or hazardous alcohol use
Conditions
Interventions
After ensuring that potential participants are eligible for the study (i.e., after a baseline assessment), they will be randomized by a computer program to 1 of 2 parallel groups:
1. Experimental int
and
2. Control condition: waiting list.
The web-based self-help intervention (study arm 1) consist of a diary (assesses daily alcohol consumption) and several (currently 8) modules based on the princ
Sponsors
Swiss Foundation for Alcohol Research
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 18 years or over 2. AUDIT score = 8 and = 20 (AUDIT = Alcohol Use Disorder Inventory Test) 3. CES-D-20 score < 16 (Center of Epidemiological Studies of Depression) 4. Weekly Internet access
Exclusion criteria
Exclusion criteria: 1. Participation in other psycho-social or pharmacological treatments for the reduction/cessation of alcohol use or the reduction of depression symptoms 2. Use of opioids or stimulants in the last 12 months and/or cannabis use of more than once a week in the previous 30 days 3. Previous treatment for cardiovascular problems 4. Suicidal thoughts or plans in the last 12 months 5. Pregnancy or breast feeding in female participants
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The number of weekly standard drinks will be assessed with timeline follow-back (TLFB) at baseline, 3 months and 6 months. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Depressive symptoms assessed with the "Center of Epidemiologic Studies of Depression" (CES-D-20) at baseline, 3 months and 6 months 2. Use of tobacco and illicit drugs assessed with the "Fragebogen Substanzanamnese" questionnaire (FDA) at baseline, 3 months and 6 months 3. Changes in mental health symptoms assessed with the Mental Health Inventory questionnaire (MHI-5) at baseline, 3 months and 6 months 4. Treatment retention measured by using the diary every week over the 6-weeks of intervention 5. Cost-effectiveness-analyses assessed with the EuroQol Quality of Life questionnaire (EQ-5D-3L) at baseline, 3 months and 6 months 6. Cost-utility-analysis and client intervention satisfaction assessed with the Questionnaire on healthcare utilization and productivity losses (TiC-P) at baseline, 3 months and 6 months 7. The "Customer Satisfaction Questionnaire" (CSQ-8) is used as secondary outcome only for participants who have received web-based self-help intervention for 6 weeks (i.e., not used for the control group) measured every week over the 6-weeks of intervention 8. Drinking behaviour is determined using the total score of the short version of the Alcohol Use Disorders Identification Test (AUDIT-C) at baseline, 3 months and 6 months | — |
Countries
Germany, Netherlands, Switzerland
Outcome results
None listed