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AIMS The objective of this study was to determine the reliability and validity of the eight-item Short Form Health Survey (SF-36) questionnaire translated into Persian for use in Iranian patients with thalassemia major. MATERIALS AND METHODS Using a standard "forward-backward" translation procedure, the English language version of the questionnaire was(More)
The present study aimed to examine the psychometric properties of the Persian version of the 23-item PedsQL™ 4.0 Generic Core Scales in Iranian children with attention deficit hyperactivity disorder (ADHD). A clinical sample of seventy-two children aged 8–17 years with ADHD and their parents completed the questionnaire. The control group consisted of 140(More)
BACKGROUND The analysis of large-scale gene expression data is a fundamental approach to functional genomics and the identification of potential drug targets. Results derived from such studies cannot be trusted unless they are adequately designed and reported. The purpose of this study is to assess current practices on the reporting of experimental design(More)
BACKGROUND The objective of this study was to translate and to test the reliability and validity of the 10-item Dermatology Life Quality Index (DLQI) questionnaire in Iranian patients with vitiligo. METHODS Using a standard "forward-backward" translation procedure, the English language version of the questionnaire was translated into Persian (the Iranian(More)
BACKGROUND The practice of safety measures by the food service staff in hospitals is necessary for the prevention of food-borne outbreaks. Hospitalized patients are more vulnerable to potential hazards, and neglecting these principles can lead to increased morbidity and mortality. METHODS We assessed the knowledge, attitudes, and practices of food service(More)
BACKGROUND The purpose of the study was to determine whether the Persian version of the KIDSCREEN-27 has the optimal number of response category to measure health-related quality of life (HRQoL) in children and adolescents. Moreover, we aimed to determine if all the items contributed adequately to their own domain. FINDINGS The Persian version of the(More)
OBJECTIVE We conducted this study to assess the effect of acupressure at the Sanyinjiao point on primary dysmenorrhea. METHODS Eighty-six students participated in the study. All participants met the inclusion criteria. The study group received acupressure at Sanyinjiao point, while the control received sham acupressure. The severity of dysmenorrhea was(More)
OBJECTIVE The Cardiff Acne Disability Index (CADI) assesses the impact of acne on a patients life. The aim of the present study was to translate the CADI into Persian language and to validate the Persian version. METHODS Using standard forward-backward translation, 2 bilinguals translated the CADI into Persian language. We back translated it into English(More)
Differential item functioning (DIF) occurs when members from different groups respond differently to particular items in a health-related quality of life (HRQoL) questionnaire after controlling for underlying HRQoL construct. This study aimed to assess DIF in the SF-36 questionnaire and its effect on comparing HRQoL scores across patients on HD and healthy(More)
This study aims to assess the measurement invariance (MI) of the KIDSCREEN-27 questionnaire across girl-parent and boy-parent dyad to clarify how child gender affects the agreement between children's and parents' perception of the meaning of the items in the questionnaire. The child self-reports and parent proxy-reports of the KIDSCREEN-27 were completed by(More)