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Despite the popularity in poker-related activities in recent years, few studies have focused on the evolution of gambling habits of poker players over a long period of time. The aim of this study is to examine factors influencing trajectories of poker players. The results are based on data collected at a four-time measurement of a prospective cohort study conducted in Quebec (n = 304 poker players). A latent class growth analysis was performed to identify trajectories based on the Problem Gambling Severity Index score. Multinomial multivariable logistic regression analyses were conducted to determine the correlates of gambling trajectories. Over the 3 years of the study, three gambling problem trajectories were identified, comprising one decreasing trajectory (1st: non-problematic-diminishing), one stable trajectory (2nd: low risk-stable), and one increasing trajectory (3th: problem gamblers-increasing). Internet as the main poker form and number of game played were associated with at-risk trajectories. Depression symptoms were significant predictors of the third trajectory whereas impulsivity predicted the second trajectory. This study shows that the risk is remaining low over years for the vast majority of poker players. However, the vulnerable poker players at the beginning of the study remain on a problematic increasing trajectory. It is therefore important to prioritize individuals in the third trajectory for interventions. [ABSTRACT FROM AUTHOR]

The concept of passion is relevant to understanding gambling behaviours and gambling problems. Longitudinal studies are useful to better understand the absence and development of gambling problems; however, only one study has specifically considered poker players. Using a longitudinal design, this study aims to determine the influence, 1 year later, of two forms of passion-harmonious and obsessive-on gambling problems in poker players. A total of 116 poker players was recruited from across Quebec, Canada. The outcome variable of interest was participants' category on the Canadian Pathological Gambling Index, and the predictive variable was the Gambling Passion Scale. Multiple logistic regression analyses were conducted to identify independent risk factors of at-risk poker players 1 year later. Obsessive passion at baseline doubled the risk of gambling problems 1 year later (p < 0.01); for harmonious passion, there was no association. Number of gambling activities, drug problems, and impulsivity were also associated with at-risk gambling. This study highlights the links between obsessive passion and at-risk behaviours among poker players. It is therefore important to prevent the development of obsessive passion among poker players. [ABSTRACT FROM AUTHOR]