About the Authors

Martine Stead

Contributed equally to this work with: Martine Stead, Fiona Dobbie, Kathryn Angus, Richard I. Purves, Gerda Reith, Laura Macdonald

martine.stead@stir.ac.uk

Affiliation Institute for Social Marketing, School of Health Sciences, University of Stirling, Stirling, United Kingdom

Fiona Dobbie

Contributed equally to this work with: Martine Stead, Fiona Dobbie, Kathryn Angus, Richard I. Purves, Gerda Reith, Laura Macdonald

Affiliation Institute for Social Marketing, School of Health Sciences, University of Stirling, Stirling, United Kingdom

Kathryn Angus

Contributed equally to this work with: Martine Stead, Fiona Dobbie, Kathryn Angus, Richard I. Purves, Gerda Reith, Laura Macdonald

Affiliation Institute for Social Marketing, School of Health Sciences, University of Stirling, Stirling, United Kingdom

Richard I. Purves

Contributed equally to this work with: Martine Stead, Fiona Dobbie, Kathryn Angus, Richard I. Purves, Gerda Reith, Laura Macdonald

Affiliation Institute for Social Marketing, School of Health Sciences, University of Stirling, Stirling, United Kingdom

Gerda Reith

Contributed equally to this work with: Martine Stead, Fiona Dobbie, Kathryn Angus, Richard I. Purves, Gerda Reith, Laura Macdonald

Affiliation School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom

Laura Macdonald

Contributed equally to this work with: Martine Stead, Fiona Dobbie, Kathryn Angus, Richard I. Purves, Gerda Reith, Laura Macdonald

Affiliation Institute for Social Marketing, School of Health Sciences, University of Stirling, Stirling, United Kingdom

Competing Interests

The Institute for Social Marketing at the University of Stirling received financial support from the European Union for conducting the research on which the paper is based. MS, KA, RP and LM state no competing interests other than the institutional funding. FD has received funding for her research from a range of organisations including the Economic and Social Research Council, the Scottish Government and the Responsibility in Gambling Trust. All her research is independent, and the views expressed in this article are her own. GR has received funding for her research from a range of organisations including the Economic and Social Research Council, the Scottish Government and the Responsibility in Gambling Trust. All her research is independent, and the views expressed in this article are her own. In the past five years, she has been a member of The Responsible Gambling Strategy Board: the independent body that advises the Gambling Commission on policy and research issues related to gambling.

Author Contributions

Analyzed the data: MS FD KA RIP GR LM. Contributed reagents/materials/analysis tools: MS FD KA RIP GR LM. Wrote the paper: MS FD KA RIP GR LM. Conceived of this particular study and paper, and conducted website analysis: MS. Conducted qualitative secondary analysis: FD GR. Designed protocols, collected data and conducted website analysis: KA RIP. Designed protocols and collected data: LM. Drafted the manuscript: MS FD KA RIP GR LM.