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Gambling expenditure predicts harm: evidence from a venue-level study
Francis Markham1, Martin Young, Bruce Doran
1Fenner School of Environment and Society, The Australian National University, Canberra, ACT, Australia.
Addiction (Abingdon, England)
|April 30, 2014
Summary
Higher electronic gaming machine (EGM) expenditure at venues is linked to increased gambling-related harm. This study confirms that aggregate EGM spending predicts harm prevalence at the venue level.
Area of Science:
- Public Health
- Gambling Studies
- Behavioral Economics
Background:
- The Total Consumption Theory posits a positive relationship between gambling expenditure and gambling-related harm.
- Previous research has primarily focused on individual-level expenditure, with less attention paid to venue-level dynamics.
- Understanding the link between aggregate spending and harm at the venue level is crucial for targeted interventions.
Purpose of the Study:
- To test the hypothesis that electronic gaming machine (EGM) expenditure predicts gambling-related harm at the EGM venue level.
- To investigate the association between per-capita EGM expenditure and the prevalence of gambling-related harm within specific venues.
Main Methods:
- Cross-sectional analysis utilizing survey and administrative data from the general adult population in the Northern Territory, Australia.
- A sample of 7049 respondents provided data on venue visitation and gambling behavior across 62 EGM venues.
- Gambling-related harm was measured using the Problem Gambling Severity Index; venue-level EGM expenditure data were obtained from licensing authorities. Analysis included correlation and multivariate binomial regression.
Main Results:
- A significant positive correlation was found between per-capita EGM expenditure and gambling-related harm rates at the venue level (r=0.27, P=0.03).
- After adjusting for venue type and number of EGMs, a substantial increase in mean per-capita monthly EGM expenditure ($AU10 to $AU150) was associated with a doubling in the prevalence of gambling-related harm (from 9% to 18%).
Conclusions:
- Aggregate patron electronic gaming machine expenditure significantly predicts the prevalence of gambling-related harm at the venue level.
- Findings support the Total Consumption Theory of gambling, highlighting the importance of venue-level expenditure in understanding gambling harm.
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