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<p>Caffeine Use Disorder (CUD) has been included in DSM-5 as a condition for further study. CUD is characterised as a problematic pattern of caffeine use that leads to clinically significant impairment or distress. Currently, the Caffeine Use Disorder Questionnaire (CUDQ) is one of the most widely utilised psychometric tools to assess CUD symptoms. Therefore, this study aimed to establish the psychometric properties of the Polish version of the CUDQ and make it available for use in the Polish cultural context. For this purpose, the Polish CUDQ was examined with respect to its factor structure, reliability, validity, and measurement invariance. The study comprised 853 participants (480 females, M = 22.91 years; SD = 2.52; age range: 18–26) who reported consuming caffeinated beverages in the past 12 months. The results showed that the Polish version of CUDQ had a one-factor structure. The one-factor model of the Polish CUDQ was well suited to the data: χ²(35) = 77.92, <i>p</i> &lt; .001; RMSEA = 0.054; SRMR = 0.038; CFI = 0.991; TLI = 0.989. Reliability of the CUDQ was satisfactory, Cronbach’s alpha = 0.898, McDonald’s omega = 0.900, AVE = 0.508. Findings also showed that CUDQ exhibits configural, metric, partial scalar and strict invariance across gender, education level and place of residence. Consequently, the results of this analysis suggest that the Polish version of CUDQ is a suitable psychometric screening test for assessing CUD and measuring the same latent construct equivalently among different groups.</p>

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Psychometric assessment and measurement invariance of the polish version of the caffeine use disorder questionnaire

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月26日

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  • Robert Kwaśniak,
  • Andrzej Cudo,
  • Csilla Ágoston

摘要

Caffeine Use Disorder (CUD) has been included in DSM-5 as a condition for further study. CUD is characterised as a problematic pattern of caffeine use that leads to clinically significant impairment or distress. Currently, the Caffeine Use Disorder Questionnaire (CUDQ) is one of the most widely utilised psychometric tools to assess CUD symptoms. Therefore, this study aimed to establish the psychometric properties of the Polish version of the CUDQ and make it available for use in the Polish cultural context. For this purpose, the Polish CUDQ was examined with respect to its factor structure, reliability, validity, and measurement invariance. The study comprised 853 participants (480 females, M = 22.91 years; SD = 2.52; age range: 18–26) who reported consuming caffeinated beverages in the past 12 months. The results showed that the Polish version of CUDQ had a one-factor structure. The one-factor model of the Polish CUDQ was well suited to the data: χ²(35) = 77.92, p < .001; RMSEA = 0.054; SRMR = 0.038; CFI = 0.991; TLI = 0.989. Reliability of the CUDQ was satisfactory, Cronbach’s alpha = 0.898, McDonald’s omega = 0.900, AVE = 0.508. Findings also showed that CUDQ exhibits configural, metric, partial scalar and strict invariance across gender, education level and place of residence. Consequently, the results of this analysis suggest that the Polish version of CUDQ is a suitable psychometric screening test for assessing CUD and measuring the same latent construct equivalently among different groups.