BACKGROUND Mood instability (MI) and irritability are related to depression but are not considered core symptoms. Instruments typically code clusters of symptoms that are used to define syndromic depression, but the place of MI and irritability has been under-investigated. Whether they are core symptoms can be examined using Rasch analysis. METHOD We used the UK Psychiatric Morbidity Survey 2...

OBJECTIVE To translate the Dizziness Handicap Inventory into German (DHI-G) and investigate reliability, assess the association between selected items of the University of California Los Angeles Dizziness Questionnaire and the DHI-G, and compare the scores of patients and healthy participants. STUDY DESIGN Cross-sectional design. SETTING Tertiary center for vertigo, dizziness, or balance di...

CONTEXT Outcomes assessment is an integral part of ensuring quality in athletic training, but few generic instruments have been specifically designed to measure disablement in the physically active. OBJECTIVE To assess the psychometric properties of the Disablement in the Physically Active Scale (DPA), a patient-report, generic outcomes instrument. DESIGN Observational study. SETTING We c...

BACKGROUND The Barratt Impulsiveness Scale (BIS) is one of the most commonly used self-report measures of trait impulsivity. However, the reliability of this measure among individuals who abuse substances has not yet been well examined. The purpose of this study was to evaluate the reliability and validity of the Chinese version of this measure in abstinent, opioid-dependent participants. MET...

OBJECTIVES To create a Brazilian version of the National Institutes of Health - Chronic Prostatitis Symptom Index (NIH-CPSI) using a cross-cultural adaptation process. MATERIALS AND METHODS The nine items of the NIH-CPSI were translated to Portuguese, by two independent translators, of native Portuguese language origin, and it was obtained a single version, that was retranslated to English by...

objectives: the aim of this study was to translate the craig hospital inventory of environmental factors (chief) into persian language and to evaluate the validity and reliability of persian version of chief to use for children with cerebral palsy. methods: the chief was translated from english into persian based on the international quality of life assessment (iqola) approach. the persian vers...

OBJECTIVES Although gender is often acknowledged as a determinant of health, measuring its components, other than biological sex, is uncommon. The Bem Sex Role Inventory (BSRI) quantifies self-attribution of traits, indicative of gender roles. The BSRI has been used with participants across cultures and countries, but rarely in an older population in Brazil, as we have done in this study. Our p...

OBJECTIVES Low back pain is related to functional status and possible resulting disability. The Quebec Back Pain Disability Scale (QBPDS) has been used widely to evaluate functional disability in patients with low back pain. The purpose of this study was to assess: (a) the face and content validity, (b) the factor structure, (c) the concurrent validity, (d) the discriminant validity, (e) the in...

The aim of this study is to develop a Portuguese version of the OHIP-49 to be used in Brazil. The adopted methodology involves translation, back-translation, revision of the first version, cultural adaptation and evaluation of its measurement properties. The questionnaire was administered in interviews with 60 year-old and older Brazilian people. The Kendall-tau correlation coefficient was used...