E-ISSN : 2733-4538
The purpose of the present study was to validate the Gambling Follow up Scale-Korean version (GFS-K), which was based on the Gambling Follow-up Scale, a 5-item scale designed to assess gambling frequency/time, work status, family relationship, leisure, and enrolment in Gambling Anonymous in individuals diagnosed with gambling disorder according to the DSM-5 criteria. Two thousand four hundred seventy eight individuals with gambling disorder (97.1% male) seeking treatment completed the GFS-K. A total of 608 clients who completed the treatment were reassessed. The GFS-K showed moderate internal consistency. Confirmatory factor analysis (CFA) confirmed that the one factor solution (except item 5) fitted the data most effectively. There was a moderate convergence between the GFS-K and reference scales. The GFS-K scores showed excellent sensitivity to change, and good ability to distinguish recovered from unrecovered patients after treatment. A cutoff score of 17 was found to have 77% sensitivity and 75% specificity for recovery from gambling. The GFS-K is suited to providing a reliable follow-up of gamblers under treatment and assessing the efficacy of their treatment.
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