Observational studySao Paulo medical journal = Revista paulista de medicina2025
Premenstrual Syndrome-Impact Questionnaire: Cross-cultural adaptation, reliability, and validity of the Turkish version.
Observational study in Sao Paulo medical journal = Revista paulista de medicina, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05725447 (Cross-cultural Adaptation, Validity and Reliability of the Turkish Version of the Premenstrual Syndrome Impact Questionnaire), which is not on this map. Not yet cited in PubMed.
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Cross-cultural Adaptation, Validity and Reliability of the Turkish Version of the Premenstrual Syndrome Impact Questionnaire (PMS-IQ)
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2 authors.
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Abstract
backgroundShort and practical questionnaires and tests that assess premenstrual symptoms and premenstrual syndrome (PMS) are required.
objectivesThis study aimed to investigate the cross-cultural adaptation, validity, and reliability of the Premenstrual Syndrome Impact Questionnaire (PMS-IQ) in Turkish women with PMS. DESIGN AND
settingThe reliability and validity of the questionnaire were evaluated in Tokat, Türkiye.
methodsA convenience sample of 146 individuals diagnosed with PMS was used to assess the reliability and validity of the Turkish version of the PMS-IQ. Test-retest analyses were performed in a subset of 96 individuals one week after the initial assessment. Construct validity was evaluated through convergent validity analysis using the Premenstrual Syndrome Scale (PMSS) and the Premenstrual Symptoms Impact Survey (PMSIS), and divergent validity analysis with the Big Five Inventory-10 (BFI-10).
resultsCronbach's α values for the total score and subscales ranged from 0.861 to 0.917, whereas the test-retest reliability values ranged from 0.755 to 0.847. Factor analysis indicated that the scale had a three-factor structure. The total PMS-IQ score was significantly correlated with both the PMSS (r = 0.718) and PMSIS (r = 0.774), but showed no significant correlation with the BFI-10 (r = 0.113). No floor or ceiling effects were observed for the total or subscale scores of the PMS-IQ.
conclusionsThe Turkish version of the PMS-IQ demonstrated reliability and validity for evaluating individuals with PMS. CLINICAL
trial registrationThis study is registered at ClinicalTrials.gov (identifier: NCT05725447).
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