Wood, Robert

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The Demographic Sources of Ontario Gaming Revenue
(Ontario Problem Gambling Research Centre, 2004-06-23) Williams, Robert J.; Wood, Robert T.
The present study reinvestigated the gaming revenue contributions of Ontario problem gamblers. An attempt was made to exclude out-of-province expenditures as well as revenues from non-Ontario residents. Better methods were used to establish the prevalence rate (better instrument; more exhaustive RDD sampling to achieve a better response rate; adjustments for populations not available for sampling). Improved methodology was used to obtain self-reported net expenditures (prospective 4 week diaries of gambling expenditures; clear, non-biasing questions explaining what is meant by ‘net expenditure’). Various methods were used to establish the validity of these self-reported expenditures, including comparison with actual Ontario gaming revenues collected in this time period.