Psychometric Properties of the Persian Version of Brief Quality of Life Questionnaire in Bipolar Disorder
Journal Title: Iranian Rehabilitation Journal - Year 2017, Vol 15, Issue 3
Abstract
Objectives: To date, there is no specific scale to assess the quality of life in Bipolar Disorder (BD). The Quality of Life in Bipolar Disorder (QoL.BD) is the first questionnaire designed for this purpose. In this study, we aimed to examine the psychometric properties of the Persian Brief Quality of Life in Bipolar Disorder (Brief QoL.BD). Methods: After forward and backward translation of the questionnaire and comparing the two translations, the Persian version of the questionnaire was prepared to be tested. The statistical population comprised all patients and normal individuals in Tehran . The sample population included 118 patients with BD and 132 healthy individuals without the history of mental disorder; they were selected using a convenience sampling method. The study instruments included the Beck Depression Inventory-II, Bech–Rafaelsen Mania Rating Scale, the 36-Item Short-Form Health Survey (SF-36), and the Brief QoL.BD. Data were analyzed using SPSS and Lisrel statistical programs. Results: The confirmatory factor analysis indices indicated a relatively good model fit. Content validity estimates were also acceptable. Convergent validity was examined by calculating the correlation between the scores on the Brief QoL.BD and those on the SF-36 questionnaire; the results were found to be significant (r=0.36, P<0.01). Discriminant validity was assessed by comparing the Brief QoL.BD total scores between the groups of patients with BD and healthy individuals; the results indicated a significant difference between the two groups (t=65.09, P<0.01). The Cronbach’s alpha of 0.70 indicated an internal consistency. A test–retest reliability estimate of 0.89 indicated a high reliability of the scale. Discussion: The Brief QoL.BD has high validity and reliability in assessing the QoL of patients with BD in Iran.
Authors and Affiliations
Fereshte Momeni, Yasaman Shiyasi, Hosna Mirzaasgari
The Neuro-Occupation Model for Occupational Therapy: A Correlation Study
Objectives: The Neuro-occupation model has been referenced as the single occupational therapy conceptual framework that considers the interaction of three underpinning variables of Intention, Meaning, and Perception that...
Duration of Stuttered Syllables Measured by “Computerized Scoring of the Stuttering Severity (CSSS)” and “Pratt”
Objectives: This investigation aimed to compare the performance of two software packages, namely “Computerized Scoring of the Stuttering Severity (CSSS)” and “Praat,” in calculating the mean duration of stuttered syllabl...
Amphetamine Type Stimulants Use in the Adult Population of Tehran: Implications for Long Term Rehabilitation
Objectives: Dependence on Amphetamine-Type Stimulants (ATS) is a current health concern in Iran. The present study aimed to investigate the most needed treatment and rehabilitation services that a group of ATS-dependent...
investigation of static Balance control in 4-6 years old children with using the Pediatric Clinical Test of Sensory Interaction for Balance (P-CTSIB)
Objectives: Undiagnosed balance disorders during childhood can negatively affect children’s functional abilities such as reading and school performance. The Pediatric Clinical Test of Sensory Interaction for Balance (P-C...
Participation of People With Schizophrenia in Everyday Life: Family’s Perspective
Objectives: People with chronic mental health condition like schizophrenia experience a lot of changes in their lives, in addition to their symptoms. The present study used a thematic analysis to explore the participatio...