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ABSTRACT
To provide insights into etiological factors of gambling at the population level, it is critical to document the separate contributions of biological aging, period influences, and birth cohorts on observed temporal trends in gambling. This study investigated age, period, and cohort effects on prevalence rates of electronic gaming machine (EGM) gambling in Germany. We used data from a series of repeated cross-sectional surveys from the Federal Centre for Health Education covering the period 2007–2015. A total of 53,005 participants were surveyed about their past-year participation in EGMs. Using the intrinsic estimator, we disentangled the separate effects of age (16–17 to 64–65 years), period (2007, 2009, 2011, 2013, 2015), and birth cohort (1941–42 to 1997–98). Age effects were highest for those aged 18–33 (p < 0.001). Period effects were highest in 2013 and lowest in 2015 (p < 0.005). A significant increasing birth cohort effect was evident in cohorts born between 1985 and 1998 (p < 0.005). Implications of these results are discussed with regard to the vulnerability of younger ages to gambling, period changes in the regulatory framework of Germany, and differential cohort vulnerability of the Millennial generation due to early-life video gaming experiences.
Acknowledgments
The author would like to thank Professor Tilman Becker (Gambling Research Center, University of Hohenheim) for his helpful comments and the Federal Centre for Health Education in Germany for its support.