scholarly journals Construct Validity of the Stroke-Specific Quality of Life Questionnaire in Ischemic Stroke Patients

2011 ◽  
Vol 92 (7) ◽  
pp. 1113-1118 ◽  
Author(s):  
I-Ping Hsueh ◽  
Jiann-Shing Jeng ◽  
Yen Lee ◽  
Ching-Fan Sheu ◽  
Ching-Lin Hsieh
Keyword(s):  
Quality Of Life ◽  
Ischemic Stroke ◽  
Construct Validity ◽  
Life Questionnaire ◽  
Stroke Patients ◽  
Quality Of Life Questionnaire

Construct validity of the EORTC quality of life questionnaire information module

2012 ◽  
Vol 22 (1) ◽  
pp. 123-129 ◽  
Author(s):  
Susanne Singer ◽  
Philipp M. Engelberg ◽  
Gregor Weißflog ◽  
Susanne Kuhnt ◽  
Jochen Ernst
Keyword(s):  
Quality Of Life ◽  
Construct Validity ◽  
Life Questionnaire ◽  
Quality Of Life Questionnaire ◽  
Information Module ◽  
Eortc Quality

scholarly journals The 27-Item Multiple Sclerosis Quality of Life Questionnaire: A New Brief Measure Including Treatment Burden and Work Life

2021 ◽  
Author(s):  
Helen Beckmann ◽  
Christoph Heesen ◽  
Matthias Augustin ◽  
Christine Blome
Keyword(s):  
Quality Of Life ◽  
Multiple Sclerosis ◽  
Construct Validity ◽  
Convergent Validity ◽  
Life Questionnaire ◽  
Quality Of Life Questionnaire ◽  
Patient Reported ◽  
Disease Specific

Abstract Background: Treatment- and work-related aspects have been neglected in health-related quality of life (HRQOL) measures in multiple sclerosis (MS). We aimed to develop a brief instrument covering all important impairment-, activity-, participation-, and treatment-related aspects for use in research and practice. Methods: The 27-item Multiple Sclerosis Quality of Life Questionnaire (MS-QLQ27) was developed using open item collection, a multidisciplinary expert panel, and cognitive pretesting. It was evaluated for reliability, construct validity, and responsiveness with 100 patients presenting with relapse (84 at follow-up ~14 days later). Construct validity was analyzed by correlating the MS-QLQ27 with the disease-specific Hamburg Quality of Life Questionnaire in MS (HAQUAMS) and generic HRQOL instuments. The Expanded Disability Status Scale (EDSS) was used to analyze known-groups validity. Responsiveness was determined as the correlation of changes in MS-QLQ27 scores with changes in validation criteria. Results: Internal consistency was high (Cronbach α = 0.94 at baseline and 0.93 at follow-up). Convergent validity was supported by direction and magnitude of associations with disease-specific and generic instruments. Correlations with change in convergent criteria were strong, indicating responsiveness. The HAQUAMS showed the strongest associations with the MSQLQ27. The MS-QLQ27 showed the highest effect size compared with other patient-reported outcomes and the EDSS. It successfully distinguished between levels of disease severity. Conclusions: These results indicate that the MS-QLQ27 is a reliable, valid, and highly responsive instrument for assessing HRQOL during relapse evolution in MS. Its advantages are that it is brief yet comprehensive, covering work- and treatment-related aspects not addressed in previous measures.

scholarly journals Psoriatic Arthritis Quality of Life Questionnaire: translation, cultural adaptation and validation into Brazilian Portuguese language

2021 ◽  
Vol 61 (1) ◽  
Author(s):  
Rafaela Silva Guimaraes Gonçalves ◽  
Alice Heaney ◽  
Stephen P. McKenna ◽  
Jonas Braynner Carvalho ◽  
Maria Eduarda Lima Vidal ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Psoriatic Arthritis ◽  
Construct Validity ◽  
Nottingham Health Profile ◽  
Joint Destruction ◽  
Brazilian Portuguese ◽  
Life Questionnaire ◽  
Quality Of Life Questionnaire ◽  
The Impact

Abstract Introduction Psoriatic arthritis (PsA) is a multifaceted inflammatory disease that can cause joint destruction and impair quality of life. The Psoriatic Arthritis Quality of Life Questionnaire (PsAQoL) was the first disease-specific tool for determining the impact of the disease on the quality of life of people with PsA. Objectives The primary objective was to develop and validate a Brazilian Portuguese version of the PsAQoL. Methods The UK PsAQoL was translated into Brazilian Portuguese using two translation panels. This translation then checked for face validity and construct validity with new samples of patients. Finally, a test-retest validation study was conducted with 52 patients with PsA. The survey included the Nottingham Health Profile (NHP) as a comparator instrument. Results Internal consistency and reproducibility were both excellent for the new adaptation (0.91 and 0.90 respectively Scores on the PsAQoL were found to correlate as expected with the comparator measure and the instrument was able to detect differences in score related to perceived severity of PsA, general health status and presence of a flare. Conclusion The Brazilian PsAQoL was found easy to understand and complete and has excellent reliability and construct validity. The new measure will be a valuable new tool for use in routine PsA practice and clinical trials.

Validation of the Lymphoedema Quality-of-Life Questionnaire (LYMQOL) in Dutch Patients Diagnosed with Lymphoedema of the Lower Limbs

2015 ◽  
Vol 31 (4) ◽  
pp. 257-263 ◽  
Author(s):  
CB van de Pas ◽  
AAM Biemans ◽  
RSM Boonen ◽  
PB Viehoff ◽  
HAM Neumann
Keyword(s):  
Quality Of Life ◽  
Construct Validity ◽  
Health Survey ◽  
Lower Limb ◽  
Short Form ◽  
Life Questionnaire ◽  
Short Form 36 ◽  
Quality Of Life Questionnaire ◽  
Test Retest Reliability

Background The Lymphoedema Quality-of-Life Questionnaire is a validated disease-specific instrument to measure the impact of lymphoedema on patients’ lives. In this study, we tested its psychometric properties and validated the use of the questionnaire in its Dutch translation. Methods We obtained the answers to a standardised questionnaire, including Lymphoedema Quality-of-Life Questionnaire and Short-Form (36) Health Survey, twice at an interval of 2 weeks in 60 patients with lower limb lymphoedema. Feasibility was tested on the basis of missing responses and response distribution. Structure was studied using factor analysis. The reliability of the Lymphoedema Quality-of-Life Questionnaire was assessed using Crohnbach’s α and test-retest reliability. Construct validity was tested by correlating Lymphoedema Quality-of-Life Questionnaire scores with the Short-Form (36) Health Survey scores. Results The response rate was 88.2%. One of the 22 items missed >10% of responses; another showed a borderline ceiling effect. Internal consistency was good and test-retest reliability was excellent. The Lymphoedema Quality-of-Life Questionnaire correlated well with the physical component of the Short-Form (36) Health Survey and moderately with the mental component, suggesting that its construct validity was good. Conclusion The Dutch Lymphoedema Quality-of-Life Questionnaire can be used for health-related quality-of-life research in lower limb lymphoedema patients.

Shortening a Quality of Life Questionnaire for Adolescents with Chronic Pain and its Psychometric Qualities

2002 ◽  
Vol 90 (3) ◽  
pp. 753-759 ◽  
Author(s):  
V. P. B. M. Merlijn ◽  
J. A. M. Hunfeld ◽  
J. C. van der Wouden ◽  
A. A. J. M. Hazebroek-Kampschreur ◽  
J. Passchier
Keyword(s):  
Quality Of Life ◽  
Chronic Pain ◽  
Construct Validity ◽  
Internal Consistency ◽  
Chronic Headache ◽  
Life Questionnaire ◽  
Quality Of Life Questionnaire ◽  
Open Population ◽  
Item Scale

Chronic pain is a common experience in adolescence. To measure its influence on quality of life in adolescents with chronic headache, Langeveld developed the 71-item scale, Quality of Life Headache–Youth. On the basis of this questionnaire we develop a shortened list, also suitable for other pain locations to enhance compliance. For this, we tested a sample of 98 adolescents from an open population with chronic benign pain. This article presents the psychometric qualities of the shortened version, named the Quality of Life Questionnaire for Adolescents with Chronic Pain. The original version could be reduced to 44 items which showed suitable internal consistency and construct validity against COOP/WONCA charts.

scholarly journals Persian version of the brief Older People’s Quality of Life questionnaire (OPQOL-brief): the evaluation of the psychometric properties

2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Awat Feizi ◽  
Zahra Heidari
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Construct Validity ◽  
Older People ◽  
Psychometric Properties ◽  
Life Questionnaire ◽  
Quality Of Life Questionnaire ◽  
Persian Version ◽  
Test Retest Reliability

Abstract Background and objective Quality of life (QoL) is a multi-dimensional concept and its assessment is one of important themes of care for older people. Assessing QoL in older people needs specific scales. The aim of this study was to culturally adapt and investigate the psychometric properties of the Persian version of brief Older People’s Quality of Life questionnaire (OPQOL-brief) in an Iranian older population. Methods This methodological cross-sectional study was conducted among 525 Persian-speaking older people (aged 60 and over), living in Isfahan, Iran. Translation of the OPQOL-brief questionnaire was performed using forward–backward method. Test–retest reliability was evaluated through Intra Class Correlation (ICC) coefficient and internal consistency by using Cronbach’s α. Construct validity was investigated by using exploratory factor analysis (EFA), confirmatory factor analysis (CFA), and Latent class analysis (LCA). Criterion, convergent and discriminant validities were also assessed. Results Persian version of the OPQOL-brief showed good test–retest reliability (ICC = 0.842, 95% CI = 0.73–0.91; P < 0.001). Persian OPQOL-brief scale demonstrated high internal consistency (Cronbach’s α = 0.83). It showed good discriminant validity and differentiated old patients from healthy older individuals (P < 0.001). Construct validity based on EFA led to extraction of three dimensions (“socioeconomic”, “emotional”, and “physical” well-being) and the CFA confirmed the adequacy of extracted construct from EFA (CFI = 0.909, PCFI = 0.52, PNFI = 0.5, CMIN/DF = 3.012, and RMSEA = 0.08). LCA classified participants into three classes in terms of QoL level (low (16%), middle (67%), and high (17%)). Criterion validity and convergent validity revealed significant positive correlations between OPQOL-brief and physical and psychological dimensions of the SF-36. Conclusion The Persian version of the OPQOL-brief is a reliable and valid instrument for assessing QoL with applicability in a broad range of older Persian language population.

scholarly journals Validation of the food allergy independent measure and the EuroPrevall food allergy quality of life questionnaire for children 8–12 years translated into Spanish

2022 ◽  
Vol 50 (1) ◽  
pp. 51-59
Author(s):  
Dah Tay Jang ◽  
María Pérez-Sabido ◽  
Elisa Buendia ◽  
Laura Ibañez ◽  
Maria Nieto ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Food Allergy ◽  
Construct Validity ◽  
Internal Consistency ◽  
Social Life ◽  
Life Questionnaire ◽  
Spanish Translation ◽  
Quality Of Life Questionnaire ◽  
The Impact

Background: Different questionnaires have been developed to measure quality of life (QoL) in patients with food allergy. Our aim was to validate a Spanish translation of the Food Allergy Independent Measure (FAIM) and the EuroPrevall Food Allergy Quality of Life Questionnaire—Child Form (FAQLQ-CF) for children aged 8–12 years.Methods: Sixty children with a diagnosis of IgE-mediated allergy to food completed the questionnaires. The internal consistency was evaluated with Cronbach’s alpha. The correlation of FAQLQ-CF with FAIM was assessed to test construct validity. We compared both values with the diagnosis of anaphylaxis to evaluate discriminant validity.Results: Cronbach’s alpha was in the range of 0.654–0.863 for the four domains of FAQLQ-CF and 0.779 for FAIM. There were no criteria to remove questions from the questionnaires. Significant correlations could be found between FAQLQ-CF and the number of offending foods and the impact on social life (all r > 0.33, P < 0.01), and between FAIM and anaphylaxis.Conclusions: The Spanish translation of FAQLQ-CF showed acceptable internal consistency, good construct validity, and capacity to discriminate patients depending on the number of foods to avoid and the impact on social life. FAIM showed good discriminant capacity for anaphylaxis.

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