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Anderson P, Coulton S, Kaner E, Bendtsen P, Kłoda K, Reynolds J, Segura L, Wojnar M, Mierzecki A, Deluca P, Newbury-Birch D, Parkinson K, Okulicz-Kozaryn K, Drummond C, Gual A. Delivery of Brief Interventions for Heavy Drinking in Primary Care: Outcomes of the ODHIN 5-Country Cluster Randomized Trial. Ann Fam Med 2017; 15:335-340. [PMID: 28694269 PMCID: PMC5505452 DOI: 10.1370/afm.2051] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 01/02/2017] [Accepted: 01/11/2017] [Indexed: 12/21/2022] Open
Abstract
PURPOSE We aimed to test whether 3 strategies-training and support, financial reimbursement, and an option to direct screen-positive patients to an Internet-based method of giving brief advice-have a longer-term effect on primary care clinicians' delivery of screening and advice to heavy drinkers operationalized with the Alcohol Use Disorders Identification Test-Consumption (AUDIT-C) tool. METHODS We undertook a cluster randomized factorial trial with a 12-week implementation period in 120 primary health care units throughout Catalonia, England, Netherlands, Poland, and Sweden. Units were randomized to 8 groups: care as usual (control); training and support alone; financial reimbursement alone; electronic brief advice alone; paired combinations of these conditions; and all 3 combined. The primary outcome was the proportion of consulting adult patients (aged 18 years and older) receiving intervention-screening and, if screen-positive, advice-at 9 months. RESULTS Based on the factorial design, the ratio of the log of the proportion of patients given intervention at the 9-month follow-up was 1.39 (95% CI, 1.03-1.88) in units that received training and support as compared with units that did not. Neither financial reimbursement nor directing screen-positive patients to electronic brief advice led to a higher proportion of patients receiving intervention. CONCLUSIONS Training and support of primary health care units has a lasting, albeit small, impact on the proportion of adult patients given an alcohol intervention at 9 months.
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Affiliation(s)
- Peter Anderson
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond).
| | - Simon Coulton
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Eileen Kaner
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Preben Bendtsen
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Karolina Kłoda
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Jillian Reynolds
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Lidia Segura
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Marcin Wojnar
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Artur Mierzecki
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Paolo Deluca
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Dorothy Newbury-Birch
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Kathryn Parkinson
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Katarzyna Okulicz-Kozaryn
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Colin Drummond
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
| | - Antoni Gual
- Institute of Health and Society, Newcastle University, Newcastle, England (Anderson, Kaner, Parkinson); Department of Family Medicine, Maastricht University, Maastricht, the Netherlands (Anderson); Centre for Health Service Studies, University of Kent, Canterbury, England (Coulton); Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden (Bendtsen); Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Kłoda, Mierzecki); Psychiatry Department, Neurosciences Institute, Hospital Clínic, IDIBAPS, Barcelona, Spain (Reynolds, Gual); Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain (Segura); Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland (Wojnar); National Addiction Centre, Institute of Psychiatry, King's College London, London, England (Deluca, Drummond); Health and Social Care Institute, Teesside University, Middesbrough, United Kingdom (Newbury-Birch); State Agency for Prevention of Alcohol-Related Problems, Warsaw, Poland (Okulicz-Kozaryn); National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, England (Drummond)
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Anderson P, Bendtsen P, Spak F, Reynolds J, Drummond C, Segura L, Keurhorst MN, Palacio-Vieira J, Wojnar M, Parkinson K, Colom J, Kłoda K, Deluca P, Baena B, Newbury-Birch D, Wallace P, Heinen M, Wolstenholme A, van Steenkiste B, Mierzecki A, Okulicz-Kozaryn K, Ronda G, Kaner E, Laurant MGH, Coulton S, Gual T. Improving the delivery of brief interventions for heavy drinking in primary health care: outcome results of the Optimizing Delivery of Health Care Intervention (ODHIN) five-country cluster randomized factorial trial. Addiction 2016; 111:1935-1945. [PMID: 27237081 DOI: 10.1111/add.13476] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 11/27/2015] [Accepted: 05/25/2016] [Indexed: 12/19/2022]
Abstract
AIM To test if training and support, financial reimbursement and option of referring screen-positive patients to an internet-based method of giving advice (eBI) can increase primary health-care providers' delivery of Alcohol Use Disorders Identification Test (AUDIT)-C-based screening and advice to heavy drinkers. DESIGN Cluster randomized factorial trial with 12-week implementation and measurement period. SETTING Primary health-care units (PHCU) in different locations throughout Catalonia, England, the Netherlands, Poland and Sweden. PARTICIPANTS A total of 120 PHCU, 24 in each of Catalonia, England, the Netherlands, Poland and Sweden. INTERVENTIONS PHCUs were randomized to one of eight groups: care as usual, training and support (TS), financial reimbursement (FR) and eBI; paired combinations of TS, FR and eBI, and all of FR, TS and eBI. MEASUREMENTS The primary outcome measure was the proportion of eligible adult (age 18+ years) patients screened during a 12-week implementation period. Secondary outcome measures were proportion of screen-positive patients advised; and proportion of consulting adult patients given an intervention (screening and advice to screen-positives) during the same 12-week implementation period. FINDINGS During a 4-week baseline measurement period, the proportion of consulting adult patients who were screened for their alcohol consumption was 0.059 per PHCU (95% CI 0.034 to 0.084). Based on the factorial design, the ratio of the logged proportion screened during the 12-week implementation period was 1.48 (95% CI = 1.13-1.95) in PHCU that received TS versus PHCU that did not receive TS; for FR, the ratio was 2.00 (95% CI = 1.56-2.56). The option of referral to eBI did not lead to a higher proportion of patients screened. The ratio for TS plus FR was 2.34 (95% CI = 1.77-3.10), and the ratio for TS plus FR plus eBI was1.68 (95% CI = 1.11-2.53). CONCLUSIONS Providing primary health-care units with training, support and financial reimbursement for delivering Alcohol Use Disorders Identification Test-C-based screening and advice to heavy drinkers increases screening for alcohol consumption. Providing primary health-care units with the option of referring screen-positive patients to an internet-based method of giving advice does not appear to increase screening for alcohol consumption.
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Affiliation(s)
- Peter Anderson
- Institute of Health and Society, Newcastle University, Newcastle, UK. .,Department of Family Medicine, Maastricht University, Maastricht, the Netherlands.
| | - Preben Bendtsen
- Department of Medical Specialist and Department of Medicine and Health, Linköping University, Motala, Sweden
| | - Fredrik Spak
- Department of Social Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Jillian Reynolds
- Institut Clínic de Neurosciences, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Colin Drummond
- National Addiction Centre, Institute of Psychiatry, King's College London, London, UK.,National Institute for Health Research Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust, London, UK
| | - Lidia Segura
- Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain
| | - Myrna N Keurhorst
- Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Institute for Quality of Healthcare (IQ healthcare), Nijmegen, the Netherlands
| | - Jorge Palacio-Vieira
- Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Kathryn Parkinson
- Institute of Health and Society, Newcastle University, Newcastle, UK
| | - Joan Colom
- Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain
| | - Karolina Kłoda
- Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland
| | - Paolo Deluca
- National Addiction Centre, Institute of Psychiatry, King's College London, London, UK
| | - Begoña Baena
- Program on Substance Abuse, Public Health Agency, Government of Catalonia, Barcelona, Spain
| | | | - Paul Wallace
- Research Department of Primary Care and Population Health, University College London, London, UK
| | - Maud Heinen
- Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Institute for Quality of Healthcare (IQ healthcare), Nijmegen, the Netherlands
| | - Amy Wolstenholme
- National Addiction Centre, Institute of Psychiatry, King's College London, London, UK
| | - Ben van Steenkiste
- Department of Family Medicine, Maastricht University, Maastricht, the Netherlands
| | - Artur Mierzecki
- Independent Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland
| | | | - Gaby Ronda
- Department of Family Medicine, Maastricht University, Maastricht, the Netherlands
| | - Eileen Kaner
- Institute of Health and Society, Newcastle University, Newcastle, UK
| | - Miranda G H Laurant
- Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Institute for Quality of Healthcare (IQ healthcare), Nijmegen, the Netherlands.,HAN University of Applied Sciences, Faculty of Health and Social Studies, Nijmegen, the Netherlands
| | - Simon Coulton
- Centre for Health Service Studies, University of Kent, Canterbury, UK
| | - Toni Gual
- Institut Clínic de Neurosciences, Hospital Clínic de Barcelona, Barcelona, Spain
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