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Gambling motivation and involvement: A review of social

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ling venues. Australian data suggests that gambling spending <strong>and</strong> participation<br />

frequency increases as the number <strong>of</strong> slot machines in an area increases [124].<br />

In the USA, it has been found that the prevalence <strong>of</strong> pathological gambling was<br />

two times higher among respondents living within 50 miles <strong>of</strong> a major gambling<br />

venue [125 Ch. 5 ]. A similar finding is that living close to casinos predicts gambling<br />

problems in adult males [126]. Using census data, another American study showed<br />

a positive relation between neighborhood disadvantage <strong>and</strong> frequency <strong>of</strong> gambling<br />

<strong>and</strong> problem/pathological gambling [127]. This relation was interpreted to mean<br />

that “the ecology <strong>of</strong> disadvantaged neighborhoods promotes gambling pathology,<br />

<strong>and</strong> that availability <strong>of</strong> gambling opportunities promotes gambling participation<br />

<strong>and</strong> pathology” (p. 405). It was pointed out, however, that “individual traits have a<br />

stronger relationship to gambling pathology than geographic factors” (p. 422).<br />

In California, no relation was found between distance to gambling venues <strong>and</strong><br />

rates <strong>of</strong> problem gambling, probably because <strong>of</strong> the high density <strong>and</strong> relatively even<br />

distribution in geographical space <strong>of</strong> such venues [128]. A study conducted in Louisiana<br />

showed a slight but significant correlation at parish level between the percapita<br />

spending on video-poker machines <strong>and</strong> the number <strong>of</strong> Gambler Anonymous<br />

meetings [129]. However, no correlation was found between the number <strong>of</strong> such<br />

meetings <strong>and</strong> the number <strong>of</strong> machines or the number <strong>of</strong> machine establishments per<br />

capita. A Canadian study found that the prevalence <strong>of</strong> problem gambling was associated<br />

with numerous demographic factors, such as substance abuse <strong>and</strong> physical<br />

health status. Proximity to gambling venues, however, showed only a weak association<br />

[130].<br />

While the studies mentioned thus far have concerned relatively small geographical<br />

units, there are investigations on a larger scale. One such study [131], which compared<br />

US states, observed that the rate <strong>of</strong> problem gambling was significantly higher<br />

in states where legal gambling had been available for more than 20 years, compared<br />

to states where it had been available for less than 10 years. It was concluded that this<br />

supports the contention that increased availability <strong>of</strong> gambling results in an increase<br />

<strong>of</strong> gambling-related problems.<br />

A second large-scale study [132] concerned both US states <strong>and</strong> counties <strong>and</strong> used<br />

a Regional Exposure Model (REM), in which gambling is viewed as a public health<br />

toxin [133] that causes harm to some people if exposure is high enough. The REM<br />

model includes variables <strong>of</strong> dose, potency <strong>and</strong> duration <strong>of</strong> exposure to gambling,<br />

which are used to compute a Regional Index <strong>of</strong> <strong>Gambling</strong> Exposure (RIGE). Comparing<br />

RIGE values to problem gambling prevalence data at the county level, a certain<br />

measure <strong>of</strong> positive correlation was found. The authors intend to complement<br />

the REM model with a Personal Exposure Model (PEM), including exposure to<br />

gambling on the individual level, e.g. parental gambling, household gambling, <strong>and</strong><br />

being employed in the gaming industry.<br />

In sum, geographical mapping <strong>and</strong> analysis promises to add valuable knowledge<br />

about the connection between <strong>social</strong> factors, the availability <strong>of</strong> gambling <strong>and</strong> the<br />

prevalence <strong>of</strong> problem gambling. However, the link between availability <strong>and</strong> prob-<br />

22 G A M B L I N G M O T I VAT I O N A N D I N V O LV E M E N T

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