AI Article Synopsis
- The study focused on translating the Fibromyalgia Impact Questionnaire (FIQ) into Portuguese for use with Portuguese-speaking Fibromyalgia patients, assessing its reliability and validity.
- 68 patients participated, answering the FIQ, Health Assessment Questionnaire (HAQ), and providing socio-demographic data, with content validity confirmed by expert consensus.
- The Portuguese FIQ demonstrated significant correlations with the HAQ and an internal consistency score (Cronbach's alpha) of 0.814, confirming it as a reliable tool for evaluating health and functioning in these patients.
Article Abstract
The aim of this study was to translate the Fibromyalgia Impact Questionnaire (FIQ) into Portuguese (Portugal) and to evaluate its reliability and validity by use with Portuguese--speaking patients with Fibromyalgia. After translating the FIQ into Portuguese we administered it to 68 patients with Fibromyalgia together with an informed consent, a Portuguese version of the Health Assessment Questionnaire (HAQ) and a formulary with the socio-demographic characteristics and duration of the complaints. The content validity was assessed with a panel of experts, with high consensus. In the concurrent validity, we obtained significant correlations between the FIQ first item and the HAQ [r = 0,531 (p = 0,001)]. Cronbach's alpha was 0,814, indicating an acceptable level of internal consistency. In conclusion, the Portuguese version of the FIQ is a reliable and valid instrument for measuring health status and physical functioning in Portuguese patients with Fibromyalgia. This instrument is available for use in the clinical practice.
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