Mapping the proportional distribution of gambling-related harms in a clinical and community sample

Excessive gambling results in a range of diverse harms experienced by individuals and their family members. However, little consideration has been given to specifically assessing such harms. Despite recent attempts to comprehensively ‘list’ and describe the ‘wide net’ of specific harms, what remains particularly unclear is the best way to measure the presence of harm and quantify its relationship to gambling. This article proposes a two-step method for quantifying gambling-related harm. From the literature, 104 questions assessing 48 items of harm were categorized into seven domains. Items were administered to 391 clinical and 151 community gamblers. Results suggest that while high-impact harms such as suicide and divorce are commonly associated with problem gambling, the reported frequency is low. Most gamblers sustain low-impact harms such as reduced savings and worry. This study presents the evaluation of specific gambling-related harms distributed in a clinical and community sample taking into account severity and its relationship to gambling behaviours. It is concluded that gambling-related harms negatively impact on quality of life with a minority suffering more severe harms. It is argued that the proposed two-step methodology provides a basis for developing a psychometrically valid measure of gambling-related harm.