Aims: Money is central to psychological definitions of gambling, but contemporary accounts of disordered gambling are ambiguous regarding the role of financial motives for gambling. The aims of the current research were to obtain meta-analytic weighted effect sizes for zeroorder associations of financial motives against disordered gambling and gambling frequency, as well as partial associations after controlling for other motives (e.g. coping). Design:A meta-analysis of the available literature through October 2019 was undertaken. Studies were identified from multiple sources (e.g., database search, consulting other researchers). PRISMA standards were followed when screening identified records and extracting relevant data. The data analytic plan was pre-registered.Setting: Cross-sectional studies that involved student, community, and clinical samples of people who gamble.Participants: Forty-one studies were included with 32,997 participants from different countries.Measurements: Validated self-report measures of financial motives for gambling alongside measures of either problem gambling and/or gambling frequency.Findings: Financial motives for gambling were positively associated with both disordered gambling, r = .34, [.30, .38], p =1.04 e-61 , and gambling frequency, r = .29, [.20, .37], p = 1.70 e-13 , with moderate effect sizes. The partial associations after controlling for overlapping variance with other gambling motives were also positive (disordered gambling: β = .18, [.14, .23], p = 2.53 e-15 ; gambling frequency: β = .16, [.08, .24], p = 9.45 e-5 ), with small-to-moderate effect sizes. The effect sizes were heterogenous and the extent of heterogeneity was high. Moderator analyses of the zero-order association involving gambling frequency indicated that effect sizes were larger for studies that used the Gambling Motives Questionnaire-Financial relative to studies that developed their own gambling motives measure. No further moderators were statistically significant.Conclusions: Financial motives are reliably and positively associated with both disordered gambling and gambling involvement and should be incorporated into etiological models of gambling disorder.

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Background and aims: Money is central to psychological definitions of gambling, but contemporary accounts are ambiguous regarding the role of financial motives in disordered gambling. The aims of the current research were to obtain meta-analytic weighted effect sizes for zero-order associations of financial motives against gambling frequency and level of problem gambling, as well as partial associations after controlling for other motives (e.g., coping). Methods: A meta-analysis of the literature through February 2021 was undertaken. Studies were identified from multiple sources (e.g., database search, other researchers). PRISMA standards were followed when screening identified records and extracting relevant data. The data analytic plan was pre-registered. We included 44 cross-sectional studies that involved student, community, and clinical samples of people who gamble (sample sizes ranged from 22 to 5,666), using validated self-report measures of financial gambling motives alongside measures of either gambling frequency and/or problem gambling. Results: Financial gambling motives were positively associated with gambling frequency, r = .29, [.21, .37], N= 22,738 and level of problem gambling, r = .35, [.31, .38], N = 38,204 with moderate effect sizes. Partial associations after controlling for overlapping variance with other gambling motives were also positive (gambling frequency: β = .14, [.05, .22], N = 3,844; level of problem gambling: β = .18, [.13, .22], N = 28,146), with small-to-moderate effect sizes. Effect sizes were heterogeneous and the extent of heterogeneity was high. Analyses of the zero-order association involving gambling frequency indicated that gambling motives measure (greater for Gambling Motives Questionnaire-Financial) and sample mean age (greater for younger samples) were moderators. No other moderators were statistically significant. Conclusions: Financial gambling motives appear to be reliably and positively associated with both gambling frequency and level of problem gambling.

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Aims: Money is central to psychological definitions of gambling, but contemporary accounts of disordered gambling are ambiguous regarding the role of financial motives for gambling. The aims of the current research were to obtain meta-analytic weighted effect sizes for zero-order associations of financial motives against disordered gambling and gambling frequency, as well as partial associations after controlling for other motives (e.g. coping). Design: A meta-analysis of the available literature through October 2019 was undertaken. Studies were identified from multiple sources (e.g., database search, consulting other researchers). PRISMA standards were followed when screening identified records and extracting relevant data. The data analytic plan was pre-registered. Setting: Cross-sectional studies that involved student, community, and clinical samples ofpeople who gamble. Participants: Forty-one studies were included with 32,997 participants from different countries. Measurements: Validated self-report measures of financial motives for gambling alongside measures of either problem gambling and/or gambling frequency. Findings: Financial motives for gambling were positively associated with both disordered gambling, r = .34, [.30, .38], p =1.04e-61, and gambling frequency, r = .29, [.20, .37], p = 1.70e-13, with moderate effect sizes. The partial associations after controlling for overlapping variance with other gambling motives were also positive (disordered gambling: β = .18, [.14, .23], p = 2.53e-15; gambling frequency: β = .16, [.08, .24], p = 9.45e-5), with small-to-moderate effect sizes. The effect sizes were heterogenous and the extent of heterogeneity was high. Moderator analyses of the zero-order association involving gambling frequency indicated that effect sizes were larger for studies that used the Gambling Motives Questionnaire-Financial relative to studies that developed their own gambling motives measure. No further moderators were statistically significant. Conclusions: Financial motives are reliably and positively associated with both disordered gambling and gambling involvement and should be incorporated into etiological models of gambling disorder.