Improving gambling survey research using dual-frame sampling of landline and mobile phone numbers

Jackson, Alun C., Pennay, Darren, Dowling, Nicki A., Coles-Janess, Bernadette and Christensen, Darren R. 2014, Improving gambling survey research using dual-frame sampling of landline and mobile phone numbers, Journal of gambling studies, vol. 30, no. 2, pp. 291-307, doi: 10.1007/s10899-012-9353-6.

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Title Improving gambling survey research using dual-frame sampling of landline and mobile phone numbers
Author(s) Jackson, Alun C.
Pennay, Darren
Dowling, Nicki A.ORCID iD for Dowling, Nicki A.
Coles-Janess, Bernadette
Christensen, Darren R.
Journal name Journal of gambling studies
Volume number 30
Issue number 2
Start page 291
End page 307
Total pages 17
Publisher Springer
Place of publication New York, NY
Publication date 2014-06
ISSN 1050-5350
Keyword(s) mobile phones
cell phones
problem gambling
gambling participation
Summary Gambling prevalence studies are typically conducted within a single (landline) telephone sampling frame. This practice continues, despite emerging evidence that significant differences exist between landline and mobile (cell) phone only households. This study utilised a dual-frame (landline and mobile) telephone sampling methodology to cast light on the extent of differences across groups of respondents in respect to demographic, health, and gambling characteristics.

A total of 2,014 participants from across Australian states and 
territories ranging in age from 18 to 96 years participated. Interviews were conducted using computer assisted telephone interviewing technology where 1,012 respondents from the landline sampling frame and 1,002 from the mobile phone sampling frame completed a questionnaire about gambling and other health behaviours. Responses across the landline sampling frame, the mobile phone sampling frame, and the subset of the mobile phone sampling frame that possessed a mobile phone only (MPO) were contrasted.

The findings 
revealed that although respondents in the landline sample (62.7 %) did not significantly differ from respondents in the mobile phone sample (59.2 %) in gambling participation in the previous 12 months, they were significantly more likely to have gambled in the previous 12 months than the MPO sample (56.4 %). There were no significant differences in internet gambling participation over the previous 12 months in the landline sample (4.7 %), mobile phone sample (4.7 %) and the MPO sample (5.0 %). However, endorsement of lifetime problem gambling on the NODS-CLiP was significantly higher within the mobile sample (10.7 %) and the MPO sample (14.8 %) than the landline sample (6.6 %).

Our research 
supports previous findings that reliance on a traditional landline telephone sampling approach effectively excludes distinct subgroups of the population from being represented inresearch findings. Consequently, we suggest that research best practice necessitates the use of a dual- rame sampling methodology. Despite inherent logistical and cost issues, this approach  needs to become the norm in gambling survey research.
Language eng
DOI 10.1007/s10899-012-9353-6
Indigenous content off
Field of Research 170106 Health, Clinical and Counselling Psychology
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2013, Springer
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Document type: Journal Article
Collections: Faculty of Health
School of Psychology
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Created: Thu, 26 Sep 2013, 16:46:42 EST by Barb Lavelle

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