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Many countries are experiencing an ongoing opioid crisis characterized by high rates of opioid use problems, overdose, poisoning, and death. Stigma has been identified as a central problem for seeking and receiving quality services from health providers and first respondents. The Mental Health Commission of Canada developed a scale that could be used to measure stigma in this population, as no such scale currently exists. This paper provides the results of psychometric testing of this new scale, known as the Opening Minds Provider Attitudes Towards Opioid-Use Scale (OM-PATOS), using exploratory (EFA) and confirmatory (CFA) factor analysis. EFA findings showed a 15 item 2-factor solution, with subscales of 'attitudes' (6 items) and 'behaviours/motivation to help' (9 items). The confirmatory factor analysis provided some preliminary confirmation of the factor structure suggested by the exploratory analyses, but further research with larger samples is needed to fully confirm the factor structure. Overall, results support the use of the 15-item scale with health professionals and first responders, with factors used for descriptive value rather than as calculated subscales until further research can be completed. [ABSTRACT FROM AUTHOR]

A validated Chinese version of Exercise Dependence Scale-Revised (EDS-R) is currently lacking. Thus, this study aimed to investigate the psychometric properties of this translated scale in a Chinese sample. Following a forward–backward translation of the EDS-R, the Chinese version (EDS-C) and validated scales assessing associated constructs were administered to a large sample of habitual exercisers (N = 1447, 54.4% male) in several universities and communities in China. Confirmatory factor analysis (CFA), gender-based invariance test, internal consistency and test–retest reliability, and construct validity were completed. EDS-C confirmed the original seven-factor structure (TLI =.94, CFI =.95, RMSEA =.068, SRMR =.032). Moreover, gender-based invariance and good internal consistency (Cronbach α [0.73 to 0.93 for sub-scales]) could be demonstrated. Beyond that a moderate test–retest reliability was observed [r: 0.45–0.82]. Finally, positive associations of the EDS-C with exercise frequency and eating disorder symptoms, body image inflexibility, and generalized anxiety symptoms appeared. Based on these results, the EDS-C appears to be a psychometrically sound screening tool for exercise dependence in Chinese sample aged between 17 to 70 years. [ABSTRACT FROM AUTHOR]