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Observational Study
. 2022 Apr;117(4):1020-1034.
doi: 10.1111/add.15665. Epub 2021 Sep 23.

Impact of wagering inducements on the gambling behaviors of on-line gamblers: A longitudinal study based on gambling tracking data

Marianne Balem  1 , Bastien Perrot  1   2 , Jean-Benoit Hardouin  1   2 , Elsa Thiabaud  3 , Anaïs Saillard  3 , Marie Grall-Bronnec  1   3 , Gaëlle Challet-Bouju  1   3
Affiliations
Observational Study

Impact of wagering inducements on the gambling behaviors of on-line gamblers: A longitudinal study based on gambling tracking data

Marianne Balem et al. Addiction. 2022 Apr.

Abstract

Aims: To estimate whether the use of wagering inducements has a significant impact on the gambling behaviors of on-line gamblers and describe this temporal relation under naturalistic conditions.

Design: This longitudinal observational study is part of the second stage of the Screening for Excessive Gambling Behaviors on the Internet (EDEIN) research program.

Setting: Gambling tracking data from the French national on-line gambling authority (poker, horse race betting and sports betting) and from the French national lottery operator (lotteries and scratch games).

Participants: A total of 9306 gamblers who played poker, horse race or sports betting and 5682 gamblers who played lotteries and scratch games completed an on-line survey. The gender ratio was largely male (between 87.1% and 92.9% for poker, horse race betting and sports betting, and equal to 65.1% for lotteries). Median age ranged from 35 (sports betting) to 53 (horse race betting and lotteries).

Measurements: The survey used the Problem Gambling Severity Index (PGSI) to determine the status of the gamblers (at-risk or not). Gambling tracking data included weekly gambling intensity (wagers, deposits), gambling frequency (number of gambling days), proxies of at-risk gambling behaviors (chasing and breadth of involvement) and use of wagering inducements.

Findings: The use of wagering inducements was associated with an increase of gambling intensity [β between -0.06 (-0.08; -0.05) and 0.57 (0.54; 0.60)], gambling frequency [β between 0.12 (0.10; 0.18) and 0.29 (0.28; 0.31)] and at-risk gambling behaviors [odds ratio between 1.32 (1.16; 1.50) and 4.82 (4.61; 5.05)] at the same week of their use. This effect was stronger for at-risk gambling behaviors and at-risk gamblers.

Conclusions: Wagering inducements may represent a risk factor for developing or exacerbating gambling problems.

Trial registration: ClinicalTrials.gov NCT02415296.

Keywords: cross-correlations; gambling disorder; gambling tracking data; generalized linear mixed models; on-line gambling; wagering inducements.

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Conflict of interest statement

M.B., B.P. and J.B.‐H. declare that they have no competing interests in relation to this work.

E.T., A.S., M.G.‐B. and G.C.‐B. declare that the University Hospital of Nantes received funding from the gambling industry [Française des Jeux (FDJ) and Pari Mutuel Urbain (PMU)] in the form of a philanthropic sponsorship (donations that do not assign the purpose of use). Scientific independence with respect to these gambling industries is guaranteed, and this funding did not influence the present work.

Figures

FIGURE 1
FIGURE 1
Flow‐chart of the gamblers included in cross‐correlations and generalized linear mixed‐models (GLMMs) analyses
FIGURE 2
FIGURE 2
Results of the cross‐correlations for the five indicators of gambling behavior
See this image and copyright information in PMC

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