Commentary on Markham et al. (2014): Huffing and puffing our way to accurate gambling-related harm prevalence estimates


Comments on an article, Gambling expenditure predicts harm: evidence from a venue-level study by F. Markham et al. (2014). Markham et al. provide further evidence that there is a significant, robust positive relationship between gambling availability and gambling-related harm. Importantly, they show this relationship using a different level of analysis than previous researchers have used-they model the association between prevalence of electronic gambling machine (EGM) per capita expenditure at the venue level and gambling-related harm population estimates. These sophisticated statistical models, including the Huff modeling of the consumer population, suggest that about 25% of the variance in gambling-related harm is associated with monthly expenditure per adult, venue type and number of EGMS per venue.

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