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Towards a comprehensive developmental model of pathological gambling.

Carlos Blanco1, Joan Hanania1, Nancy M Petry2

  • 1Department of Psychiatry, New York State Psychiatric Institute/Columbia University, New York, NY, USA.

Addiction (Abingdon, England)
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Summary

Pathological gambling (PG) is influenced by various risk factors across developmental stages, with later factors often explaining earlier ones. This study adapted a depression model to understand PG etiology, finding no significant gender differences.

Keywords:
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Area of Science:

  • Psychiatry
  • Psychology
  • Epidemiology

Background:

  • Pathological gambling (PG) is a complex disorder with multifactorial etiology.
  • Existing models often lack a developmental perspective, limiting understanding of risk factor progression.
  • Kendler's developmental model for major depression offers a framework for investigating PG's etiology.

Purpose of the Study:

  • To develop a comprehensive etiological model for pathological gambling (PG) in men and women.
  • To adapt Kendler's developmental model for major depression to PG, incorporating 22 risk factors across five developmental tiers.
  • To test hypotheses regarding the association of risk factors with PG and potential gender differences.

Main Methods:

  • Utilized data from the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) wave 1 (n=43,093).
  • Developed separate models for lifetime gambling and 12-month PG.
  • Employed logistic regression, calculating odds ratios (OR) and adjusted OR (AOR) to identify significant risk factors.

Main Results:

  • Family history of substance use disorders (SUD) or depression, impulsivity, childhood anxiety, multiple Axis I/II disorders, SUD history, nicotine dependence, social deviance, and stressful life events predicted lifetime gambling.
  • Past PG history, personality disorders, and past-year nicotine dependence predicted 12-month PG.
  • No significant gender interactions were found for 12-month PG.

Conclusions:

  • A modified Kendler's model provides a robust framework for understanding the developmental etiology of PG.
  • Both lifetime and 12-month PG are influenced by risk factors across multiple developmental levels.
  • The impact of earlier risk factors on PG is often mediated by factors in later developmental tiers, with limited gender differentiation.