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Problem Gambling Severity Index – Full Technical Report

Author: Ipsos UK Published: March 2023
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Summary

This report by Ipsos, commissioned by GambleAware examines the Problem Gambling Severity Index (PGSI). It analyses data from GambleAware's Treatment and Support Survey to assess the internal consistency and relationship to wellbeing measures of the PGSI.

Topics covered

  • internal consistency and structure of PGSI items
  • relationship between PGSI scores and wellbeing measures
  • performance of PGSI short form versus full scale

Key findings

The PGSI shows good internal consistency as a single scale, but individual items differ in their severity and association with gambling harm. There is a clear link between higher PGSI scores and psychological distress.
Overall, PGSI remains useful for population-level estimates, but has limitations for individual screening or diagnosis.

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