ArticleHealth psychology report2025
Validation and psychometric evaluation of the Polish version of the Exercise Addiction Inventory (EAI-PL).
Article in Health psychology report, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundExercise addiction (EA) is manifested by loss of control over exercising and experiencing numerous negative consequences. One of the most commonly used psychometric instruments to assess the risk of exercise addiction is the six-item Exercise Addiction Inventory (EAI). The present study translated and validated the EAI into Polish and evaluated its psychometric properties. PARTICIPANTS AND PROCEDURE: The study included 858 adult participants (54% female) aged between 18 and 69 years (
resultsThe CFA confirmed the one-factor model with good fit statistics (comparative fit index and Tucker-Lewis index > .95, root-mean square error of approximation < .08). The EAI was invariant between men and women. Convergent validity was adequate. The scale's internal consistency was excellent (Cronbach's α = .91, McDonald's ω = .91, and composite reliability = .91).
conclusionsThe present study successfully validated the EAI among Polish adults. The results provide robust evidence concerning the scale's reliability, construct validity, and convergent validity, enabling further research on exercise addiction in Poland.
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