The Persian version of IdFAI is a reliable and valid tool to identify patients with functional ankle instability which have a history of ankle sprain. Its original three-factor structure was replicated in this study. Implications for Rehabilitation The Persian version of the Identification of Functional Ankle Instability (IdFAI) questionnaire is a reliable and valid instrument in order to identify Iranian patients with functional ankle instability in both clinical practice and research. The Persian IdFAI questionnaire may be considered as a standardized clinical instrument that can be used to classify degree of ankle instability in Iranian Persian-speaking people with a history of lateral ankle sprain. People with a history of ankle sprain can be assessed using IdFAI questionnaire before and after rehabilitative interventions in an attempt to determine any change in their degree of ankle instability over time.

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Background: Ankle Instability Instrument (AII) is a questionnaire for determination of ankle stability status. The aim of this study is to cross-culturally translate and investigate the reliability and validity of AII in a sample of Persian-speaking Iranians, suffering from ankle sprain. Methods: One hundred twenty persons with a history of ankle sprain were recruited in the study. All participants completed the Persian version of Ankle Instability Instrument, Cumberland Ankle Instability Tool (CAIT), Foot and Ankle Ability Measure (FAAM) and Foot and Ankle Outcome Score (FAOS) at the baseline. Out of them, 60 randomly selected subjects completed the questionnaires once more, one week later. Face validity, Test–retest reliability, internal consistency, standard error of measurement, minimal metric detectable change, spearman’s correlation coefficient and confirmatory factor analysis of AII measured. We used Lisrel v 8.80 software with significant level of p<0.05. Results: Persian version of AII is clear and unambiguous and its qualitative face validity was confirmed in the pilot study on the 20 subjects with a lateral ankle sprain. The interclass correlation coefficient, Cronbach’s alpha, standard error of measurement and minimal metric detectable change were 0.93, 0.87, 0.81 and 2.25 (95% confidence interval, 0.85-0.96). The Spearman correlations coefficients between AII, and CAIT, FAAM and FAOS measures were 0.91, 0.71 and 0.69 respectively. The original three factor structure of AII was replicated based on the confirmatory factor analysis. Which showed an adequate fit of the model to the data and goodness-of-various fit indices. Conclusion: The Ankle Instability Instrument Persian Version (AII-PV) is a reliable and valid measure for assessing the ankle stability status.

Objectives: Aim of this study was determining the relationship between burden of care and fear of disease progression in mothers of children with cystic fibrosis. Methodology: 142 mothers of children with cystic fibrosis (CF) participated in this correlational study. Data were collected with sequential method. The researchers employed the self-report Zarit burden of care and fear of disease progression questionnaire in parents of children with CF. Mothers answered the questioners separately.  Data were analyzed with statistical analysis of variance and independent t-test. Results: According to the results, the mean maternal burden of care was 34.12 ± 69.77, and the mean fear of disease progression was 32.12 ± 92.11. The burden of care had the highest regression effect on fear of disease progression in mothers of children with CF (β = 0.896). With an increase of one unit of standard deviation in the burden of care, an increase of 0.896 units occurred in fear of disease progression in parents of children with CF. Conclusion: Mothers of children with CF experience a moderate burden of care and fear of disease progression. An increase in the burden of care and psychological stress increases the fear of disease progression in these mothers.