'Drinking Less' - an online self-help intervention for problem drinkers in the general population
| ISRCTN | ISRCTN47285230 |
|---|---|
| DOI | https://doi.org/10.1186/ISRCTN47285230 |
| Secondary identifying numbers | NTR131 |
- Submission date
- 20/12/2005
- Registration date
- 20/12/2005
- Last edited
- 07/01/2021
- Recruitment status
- No longer recruiting
- Overall study status
- Completed
- Condition category
- Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Plain English summary of protocol
Not provided at time of registration
Contact information
Dr H. Riper
Scientific
Scientific
Trimbos-instituut
P.O. Box 725
Utrecht
3500 AS
Netherlands
| Phone | +31 (0)30 297 1100 |
|---|---|
| hriper@trimbos.nl |
Study information
| Study design | Randomised, active controlled, parallel group trial |
|---|---|
| Primary study design | Interventional |
| Secondary study design | Randomised controlled trial |
| Study setting(s) | Other |
| Study type | Treatment |
| Scientific title | 'Drinking Less' - an online self-help intervention for problem drinkers in the general population: results from an online randomised clinical trial |
| Study acronym | 'Drinking Less' |
| Study objectives | We tested the hypothesis of the superior effectiveness of an online preventive self help intervention for problem drinkers based on cognitive-behavioural self control principles vis-à-vis an online psycho-education brochure for problem drinkers. |
| Ethics approval(s) | Ethics approval received from the local medical ethics committee |
| Health condition(s) or problem(s) studied | Alcohol abuse, alcoholism |
| Intervention | The experimental condition received the 'Drinking Less' intervention. 'Drinking Less' is a web-based self help intervention for problem drinkers who want to reduce their alcohol consumption without any direct professional guidance. It is based on cognitive-behavioural self control principles. The program consists of four phases: 1. Preparation 2. Decision and goal setting 3. Conduct 4. Maintenance The intervention provides support to problem drinkers through techniques such as a monitoring log book, educational information and exercises. It also allows different participants to exchange information and experiences with one another through an internet forum. Participants are advised to use the intervention for a period of six weeks. The control group received access to a brief web-based alcohol information brochure in which the impact of alcohol on body, mind and functioning and the limits for safe alcohol consumption are discussed. |
| Intervention type | Other |
| Primary outcome measure | 1. Mean weekly alcohol consumption: number of units (10 g pure alcohol) in the past 7 days 2. Proportion of subjects not at-risk, i.e. drinking 21 units or less a week (men) and 14 units or less a week (women) 3. Proportion of subjects not drinking hazardously: i.e., not drinking more than 5 units (men) or 3 units (women) on any day a week in the past three months 4. Proportion of subjects not drinking at risk and/or hazardously (as defined under 2 and 3) 5. Proportion of subjects not drinking at risk and/or hazardously (as defined under 4) and who do not experience alcohol related problems |
| Secondary outcome measures | 1. Quality of life 2. Psychological well being 3. Satisfaction with the interventions |
| Overall study start date | 01/06/2003 |
| Completion date | 31/10/2004 |
Eligibility
| Participant type(s) | Patient |
|---|---|
| Age group | Adult |
| Lower age limit | 18 Years |
| Sex | Both |
| Target number of participants | 268 |
| Total final enrolment | 261 |
| Key inclusion criteria | Participants were eligible to participate if they were between 18 and 65 years of age, had a weekly alcohol consumption of more than 21 units (greater than or equal to 210 g - men) or more than 14 units (greater than or equal to 140 g - women) and or who were consuming more than 5 units of alcohol (greater than or equal to 50 g - men) or 3 units of alcohol (greater than or equal to 30 g - women) on one or more days a week in the past three months and who had access to a computer and internet. |
| Key exclusion criteria | 1. Participants who received professional help 2. Participated in a self help group and/or medication for their drinking problems (last year) 3. Participated in a conflicting scientific study |
| Date of first enrolment | 01/06/2003 |
| Date of final enrolment | 31/10/2004 |
Locations
Countries of recruitment
- Netherlands
Study participating centre
Trimbos-instituut
Utrecht
3500 AS
Netherlands
3500 AS
Netherlands
Sponsor information
Trimbos Institute - Netherlands Institute of Mental Health and Addiction (Netherlands)
Research organisation
Research organisation
Da Costakade 45
P.O. Box 725
Utrecht
3500 AS
Netherlands
| Phone | +31 (0)30 297 1100 |
|---|---|
| info@trimbos.nl | |
| Website | http://www.trimbos.nl/default2.html |
"ROR" |
https://ror.org/02amggm23 |
Funders
Funder type
Research organisation
The Netherlands Organisation for Health Research and Development (ZonMw) (Netherlands)
No information available
Results and Publications
| Intention to publish date | |
|---|---|
| Individual participant data (IPD) Intention to share | No |
| IPD sharing plan summary | Not provided at time of registration |
| Publication and dissemination plan | Not provided at time of registration |
| IPD sharing plan |
Study outputs
| Output type | Details | Date created | Date added | Peer reviewed? | Patient-facing? |
|---|---|---|---|---|---|
| Results article | secondary analysis results | 22/11/2008 | 07/01/2021 | Yes | No |
Editorial Notes
07/01/2021: Publication reference and total final enrolment added.
