scholarly journals Psychometric properties of the Glaucoma Quality of Life-15 questionnaire: Use of explanatory factor analysis

2018 ◽  
Vol 30 (3) ◽  
pp. 211-216 ◽  
Author(s):  
Hamideh Mahdaviazad ◽  
Narges Roustaei ◽  
Masoumeh Beigom Masoumpour ◽  
Mohammad Reza Razeghinejad
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Explanatory Factor Analysis

scholarly journals The Spanish Family Quality of Life Scales under and over 18 Years Old: Psychometric Properties and Families’ Perceptions

2020 ◽  
Vol 17 (21) ◽  
pp. 7808
Author(s):  
Anna Balcells-Balcells ◽  
Joana M. Mas ◽  
Natasha Baqués ◽  
Cecilia Simón ◽  
Simón García-Ventura
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Family Quality Of Life ◽  
Intellectual And Developmental Disabilities ◽  
Validity And Reliability ◽  
Confirmatory Factor ◽  
Spanish Family ◽  
Families With Children

Background: Family quality of life (FQoL), just like individual quality of life, has become a priority outcome in the policies and services received by persons with intellectual and developmental disabilities (IDD) and their families. Conceptualizing, measuring, and theorizing FQoL has been the object of investigation in recent decades. The goal of this paper is to present a revision of the Spanish Family Quality of Life Scales, the CdVF-E < 18 and the CdVF-E >18, and describe the FQoL of Spanish families with a member with IDD. Methods: The sample included a total of 548 families with a member under 18 years old and 657 families with a member over 18. Based on an Exploratory Factor Analysis (EFA) firstly and a Confirmatory Factor Analysis (CFA) secondly, the two scales’ psychometric properties were explored. Results: The CdVF-ER < 18 and the CdVF-ER > 18 comprise 5 dimensions, containing 35 and 32 items, respectively, and they show good validity and reliability. The families obtained a high FQoL score, although some differences exist between the dimensions on which families with children under and over 18 score highest and lowest. Conclusion: The characteristics of the revised scales facilitate their use by professionals, administrations, and services.

Psychometric Properties of the Ambulatory Surgery Index of Nausea, Vomiting, and Retching

2016 ◽  
Vol 24 (3) ◽  
pp. 454-464
Author(s):  
Jan Odom-Forren ◽  
Lynne A. Hall ◽  
Susan J. Fetzer
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Longitudinal Data ◽  
Psychometric Properties ◽  
Ambulatory Surgery ◽  
Recovery Period ◽  
Secondary Analysis ◽  
Valid Measure ◽  
Future Studies

Background and Purpose: At least one-third of ambulatory surgery patients will experience nausea or vomiting during the recovery period. The purpose of this study was to examine the psychometric properties of the Ambulatory Surgery Index of Nausea, Vomiting, and Retching (AS-INVR). Methods: Secondary analysis of longitudinal data from a study of 203 adult ambulatory surgery patients was conducted. Results: Based on the results of factor analysis, the retching item was eliminated and the 6-item, 2-dimensional AS-INV was formed. Cronbach’s alphas for the AS-INV ranged from .83 to .87 across the 5 days postsurgery. Higher AS-INV scores were associated with self-reported presence of nausea and lower quality of life. Conclusions: The shortened AS-INV provides a reliable and valid measure of the amount and distress because of nausea and vomiting in adult patients after ambulatory surgery and should be considered for use in future studies.

Psychometric testing of the Spiritual Well-Being Scale–Mandarin version in Taiwanese cancer patients

2016 ◽  
Vol 15 (3) ◽  
pp. 336-347 ◽  
Author(s):  
Woung-Ru Tang ◽  
Chen-Yi Kao
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Cancer Patients ◽  
Terminally Ill ◽  
Well Being ◽  
Life Questionnaire ◽  
Terminally Ill Cancer Patients ◽  
Spiritual Well Being

AbstractObjective:The spiritual well-being of terminally ill cancer patients is an important indicator of the quality of their lives and of the quality of hospice care, but no validated tools are available for assessing this indicator in Taiwan.Method:The present cross-sectional study validated the Spiritual Well-Being Scale–Mandarin version (SWBS–M) by testing its psychometric properties in 243 cancer patients from five teaching hospitals throughout Taiwan. Construct validity was tested by factor analysis and hypothesis testing. Patients' spiritual well-being and quality of life were assessed using the SWBS–M and the McGill Quality of Life Questionnaire (MQoL), respectively.Results:Overall, the SWBS–M had an internal consistency/reliability of 0.89. Exploratory factor analysis showed that the SWBS–M had an underlying two-factor structure, explaining 46.94% of the variance. SWBS–M scores correlated moderately with MQoL scores (r = 0.48, p < 0.01). Terminally ill cancer patients' spiritual well-being was inversely related to their average pain level during the previous 24 hours (r = –0.183, p = 0.006). Cancer patients' spiritual well-being also differed significantly with their experience of pain (t = –3.67, p < 0.001); terminally ill cancer patients with pain during the previous 24 hours had a lower sense of spiritual well-being than those without pain.Significance of results:Our findings support a two-factor model for the SWBS–M in terminally ill Taiwanese cancer patients. We recommend testing the psychometric properties of the SWBS–M in different patient populations to verify its factorial structure in other Asian countries.

scholarly journals Psychometric properties of the WHOQOL-BREF(PT) in a sample of elderly citizens

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Margarida Goes ◽  
Manuel Lopes ◽  
João Marôco ◽  
Henrique Oliveira ◽  
César Fonseca
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Confirmatory Factor Analysis ◽  
Psychometric Properties ◽  
Structural Equation ◽  
First Order ◽  
Confirmatory Factor ◽  
Average Variance ◽  
Correlation Level

Abstract Background The goal of this article was to research the psychometric properties of the WHOQOL-BREF(PT) instrument in a sample of elderly citizens residing in a rural area in their own homes or at family members’ or friends’ homes and to compare the results: (i) to those reported by the team of Portuguese researchers that undertaken the instrument's translation/validation to the Portuguese language and (ii) to those reported internationally by the World Health Organization Quality of Life group. An overall quality of life scoring (QOL24—all facets) is also proposed in this article as novelty. The correlation level between QOL24 and the instrument’s general facet was also investigated. Methods This was a cross-sectional study with a sample of 351 elderly citizens (46.4% males and 53.6% females) randomly selected from the official dataset of the Local Health Unit of Baixo Alentejo. All the data were collected by health professionals at the participants’ homes following the structured interview methodology and using the WHOQOL-BREF(PT) instrument. Three different structural equation models were developed: (i) a first-order confirmatory factor analysis, to assess the instrument’s psychometric properties; (ii) a hierarchical second-order confirmatory factor analysis model, to allow determining the QOL24 scoring; and (iii) a more generic structural equation model, to investigate the correlation level between QOL24 and the instrument’s general facet. Results The WHOQOL-BREF(PT) showed an “almost very good” goodness of fit (comparative fit index of 0.949 and Tucker-Lewis index of 0.943), an adequate internal consistency (Cronbach’s alpha: from 0.64 to 0.90; composite reliability: from 0.59 to 0.88) and tolerable convergent validity (average variance extracted: from 0.374 to 0.614). However, discriminant validity was not reached because strong correlations between the first-order factors (four QOL domains) were obtained, together with low values of the average variance extracted. The scoring of QOL domains and QOL24, determined as weighted averages (proposed in this article as novelty) were significantly different than those determined as unweighted averages. The standardized correlation coefficient between QOL24 and the instrument’s general facet was of 0.89 (statistically highly significant). Conclusions The WHOQOL-BREF(PT) is a psychometrically sound instrument to assess the QOL of the considered population sample. However, the QOL domains were found strongly intertwined. More studies are necessary to validate the weighted average scoring strategy of QOL domains and QOL24. Concurrent validity between QOL24 and the instrument’s general facet was considered as “strong”.

scholarly journals A Web-Based Adaptation of the Quality of Life in Bipolar Disorder Questionnaire: Psychometric Evaluation Study

10.2196/17497 ◽  
2020 ◽  
Vol 7 (4) ◽  
pp. e17497 ◽  
Author(s):  
Emma Morton ◽  
Sharon HJ Hou ◽  
Oonagh Fogarty ◽  
Greg Murray ◽  
Steven Barnes ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Bipolar Disorder ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Factor Structure ◽  
Internal Consistency ◽  
Original Study ◽  
Web Based ◽  
The Web

Background Quality of life (QoL) is considered a key treatment outcome in bipolar disorder (BD) across research, clinical, and self-management contexts. Web-based assessment of patient-reported outcomes offer numerous pragmatic benefits but require validation to ensure measurement equivalency. A web-based version of the Quality of Life in Bipolar Disorder (QoL.BD) questionnaire was developed (QoL Tool). Objective This study aimed to evaluate the psychometric properties of a web-based QoL self-report questionnaire for BD (QoL Tool). Key aims were to (1) characterize the QoL of the sample using the QoL Tool, (2) evaluate the internal consistency of the web-based measure, and (3) determine whether the factor structure of the original version of the QoL.BD instrument was replicated in the web-based instrument. Methods Community-based participatory research methods were used to inform the development of a web-based adaptation of the QoL.BD instrument. Individuals with BD who registered for an account with the QoL Tool were able to opt in to sharing their data for research purposes. The distribution of scores and internal consistency estimates, as indicated by Cronbach alpha, were inspected. An exploratory factor analysis using maximum likelihood and oblique rotation was conducted. Inspection of the scree plot, eigenvalues, and minimum average partial correlation were used to determine the optimal factor structure to extract. Results A total of 498 people with BD (349/498, 70.1% female; mean age 39.64, SD 12.54 years; 181/498, 36.3% BD type I; 195/498, 39.2% BD type II) consented to sharing their QoL Tool data for the present study. Mean scores across the 14 QoL Tool domains were, in general, significantly lower than that of the original QoL.BD validation sample. Reliability estimates for QoL Tool domains were comparable with that observed for the QoL.BD instrument (Cronbach alpha=.70-.93). Exploratory factor analysis supported the extraction of an 11-factor model, with item loadings consistent with the factor structure suggested by the original study. Findings for the sleep and physical domains differed from the original study, with this analysis suggesting one shared latent construct. Conclusions The psychometric properties of the web-based QoL Tool are largely concordant with the original pen-and-paper QoL.BD, although some minor differences in the structure of the sleep and physical domains were observed. Despite this small variation from the factor structure identified in the QoL.BD instrument, the latent factor structure of the QoL Tool largely reproduced the original findings and theoretical structure of QoL areas relevant to people with BD. These findings underscore the research and clinical utility of this instrument, but further comparison of the psychometric properties of the QoL Tool relative to the QoL.BD instrument is warranted. Future adaptations of the QoL Tool, including the production of an app-based version of the QoL Tool, are also discussed.

scholarly journals Psychometric properties and confirmatory factor analysis of the CASP-19, a measure of quality of life in early old age: the HAPIEE study

2014 ◽  
Vol 19 (7) ◽  
pp. 595-609 ◽  
Author(s):  
Gyu Ri Kim ◽  
Gopalakrishnan Netuveli ◽  
David Blane ◽  
Anne Peasey ◽  
Sofia Malyutina ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Confirmatory Factor Analysis ◽  
Psychometric Properties ◽  
Old Age ◽  
Confirmatory Factor ◽  
Early Old Age

scholarly journals Psychometric Properties and Factor Analysis of the Engagement and Independence in Dementia Questionnaire (EID-Q)

2018 ◽  
Vol 46 (3-4) ◽  
pp. 119-127 ◽  
Author(s):  
Charlotte R. Stoner ◽  
Martin Orrell ◽  
Aimee Spector
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Internal Consistency ◽  
Social Engagement ◽  
Convergent Validity ◽  
Factor Solution ◽  
Adequate Model ◽  
People With Dementia

Background/Aims: Independence and social engagement are important outcomes for people with dementia. The aim of this study was to conduct an in-depth psychometric assessment of the Engagement and Independence in Dementia Questionnaire (EID-Q), a measure of social independence. Methods: This was an observational study at five NHS sites across England. Participants completed the EID-Q alongside additional measures. Psychometric analysis included internal consistency, test-retest reliability, convergent validity, and factor analyses. Results: A total of 225 people living with dementia completed the study. Internal consistency was excellent (α = 0.921) and the measure remained moderately stable over a 1-week period (ICC = 0.768). Significant correlations were observed between quality of life (r = 0.682) and depression (r = –0.741; both p < 0.001), indicating the importance of these concepts for wellbeing in dementia. Factor analysis indicated the presence of five factors which loaded onto a second order two-factor solution. These latent factors were named “sense of independence” and “social engagement.” Conclusions: The EID-Q demonstrated acceptable psychometric properties and the factor solution had an adequate model fit. The strong correlations suggest that social independence is strongly related to depression and quality of life. Future work will entail an analysis of responsiveness to intervention and further large-scale work.

scholarly journals Validation and Psychometric Properties of the Arabic Version of the Duke Anticoagulation Satisfaction Scale (DASS)

2020 ◽  
Vol 11 ◽  
Author(s):  
Maha AlAmmari ◽  
Khizra Sultana ◽  
Sattam Nawaf AlHarbi ◽  
Ashwag Saud Marenga ◽  
Abdulrahman AlTuraiki ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Internal Consistency ◽  
Health Care Professionals ◽  
Negative Impact ◽  
Arabic Language ◽  
Arabic Version ◽  
Satisfaction Scale

Background: To assess the health-related quality of life (HRQoL) of oral anticoagulant therapy users, different types of instruments are available, either general or specific tools like Duke Anticoagulation Satisfaction Scale (DASS). These tools allow the clinician to adjust the treatment regimen to focus on increasing anticoagulation adherence and reduce adverse clinical outcomes. This study aims to validate the translated Arabic version of DASS to assess the satisfaction level of patients using oral anticoagulants in the Arab population.Methods: The Duke Anticoagulation satisfaction scale (DASS) was translated into the Arabic language using MAPI group services. DASS was administered to 505 patients receiving anticoagulation with warfarin or apixaban. The generic scale measuring the quality of life EQ-5D-5L was also administered. Psychometric properties were assessed by Confirmatory Factor Analysis, internal consistency (Cronbach’s Alpha), exploratory factor analysis, convergent and divergent validity, and the correlation between the DASS and demographic variables, clinical characteristics, and the EQ-5D-5L instrument.Results: 439 subjects answered all the questions. From a total of 25 items, 22 grouped into three factors (limitations, positive impact, and negative impact). Each factor had good internal consistency (Cronbach Alpha 0.78–0.88). All the three factors correlated consistently with EQ-5D-5L measuring generic quality of life.Conclusion: The psychometric properties of the Arabic DASS version were comparable to the original English version. The Arabic version of the DASS showed very good reliability and validity. It can be used by health care professionals in other settings of anticoagulation clinics to assess patient’s satisfaction and limitations to anticoagulant treatment.

scholarly journals A Web-Based Adaptation of the Quality of Life in Bipolar Disorder Questionnaire: Psychometric Evaluation Study (Preprint)

2019 ◽  
Author(s):  
Emma Morton ◽  
Sharon HJ Hou ◽  
Oonagh Fogarty ◽  
Greg Murray ◽  
Steven Barnes ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Bipolar Disorder ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Factor Structure ◽  
Internal Consistency ◽  
Original Study ◽  
Web Based ◽  
The Web

BACKGROUND Quality of life (QoL) is considered a key treatment outcome in bipolar disorder (BD) across research, clinical, and self-management contexts. Web-based assessment of patient-reported outcomes offer numerous pragmatic benefits but require validation to ensure measurement equivalency. A web-based version of the Quality of Life in Bipolar Disorder (QoL.BD) questionnaire was developed (QoL Tool). OBJECTIVE This study aimed to evaluate the psychometric properties of a web-based QoL self-report questionnaire for BD (QoL Tool). Key aims were to (1) characterize the QoL of the sample using the QoL Tool, (2) evaluate the internal consistency of the web-based measure, and (3) determine whether the factor structure of the original version of the QoL.BD instrument was replicated in the web-based instrument. METHODS Community-based participatory research methods were used to inform the development of a web-based adaptation of the QoL.BD instrument. Individuals with BD who registered for an account with the QoL Tool were able to opt in to sharing their data for research purposes. The distribution of scores and internal consistency estimates, as indicated by Cronbach alpha, were inspected. An exploratory factor analysis using maximum likelihood and oblique rotation was conducted. Inspection of the scree plot, eigenvalues, and minimum average partial correlation were used to determine the optimal factor structure to extract. RESULTS A total of 498 people with BD (349/498, 70.1% female; mean age 39.64, SD 12.54 years; 181/498, 36.3% BD type I; 195/498, 39.2% BD type II) consented to sharing their QoL Tool data for the present study. Mean scores across the 14 QoL Tool domains were, in general, significantly lower than that of the original QoL.BD validation sample. Reliability estimates for QoL Tool domains were comparable with that observed for the QoL.BD instrument (Cronbach alpha=.70-.93). Exploratory factor analysis supported the extraction of an 11-factor model, with item loadings consistent with the factor structure suggested by the original study. Findings for the sleep and physical domains differed from the original study, with this analysis suggesting one shared latent construct. CONCLUSIONS The psychometric properties of the web-based QoL Tool are largely concordant with the original pen-and-paper QoL.BD, although some minor differences in the structure of the sleep and physical domains were observed. Despite this small variation from the factor structure identified in the QoL.BD instrument, the latent factor structure of the QoL Tool largely reproduced the original findings and theoretical structure of QoL areas relevant to people with BD. These findings underscore the research and clinical utility of this instrument, but further comparison of the psychometric properties of the QoL Tool relative to the QoL.BD instrument is warranted. Future adaptations of the QoL Tool, including the production of an app-based version of the QoL Tool, are also discussed.

scholarly journals Psychometric properties of the Persian translation of maternal postpartum quality of life questionnaire (MAPP-QOL)

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Tahereh Mokhtaryan-Gilani ◽  
Giti Ozgoli ◽  
Nourossadat Kariman ◽  
Hamid Sharif Nia ◽  
Mahbobeh Ahmadi Doulabi ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Factor Analysis ◽  
Psychometric Properties ◽  
Content Validity ◽  
Postpartum Women ◽  
Life Questionnaire ◽  
Quality Of Life Questionnaire ◽  
Persian Version ◽  
Confirmatory Factor

Abstract Background and objective Many studies have been conducted in Iran on the postpartum quality of life, and the majority have used the general quality of life questionnaire. With a specific tool in this context, the dimensions of maternal postpartum quality of life can be more accurately determined. The present study was conducted to determine psychometric properties and validate the Persian version of the Maternal Postpartum Quality of Life Questionnaire (MAPP-QOL). Materials and methods The present methodological study was conducted in 2018. The original version of MAPP-QOL was translated into Persian by both forward and backward translation. In a cross-sectional study, the Persian version was completed by 407 eligible postpartum women aged 18 to 47 and living in Tehran. Reliability of the questionnaire was assessed using Cronbach's alpha coefficient and test–retest. For construct validity, exploratory and confirmatory factor analyses were used. Results The MAPP-QOL showed good content validity; content validity ratio (CVR) ranged from 0.6 to 1.00, and content validity index (CVI) ranged from 0.7 to 1.00. Using exploratory factor analysis, five factors, including Socioeconomic; Relational/Family-Friends; Psychological/Baby; Health & functioning; and Relational/Spouse-Partner, were extracted, which together explained 78.84% of the total variance. After modifications of CFA, the confirmatory factor analysis showed an acceptable goodness-of-fit. AVE value Above 0.5 exhibited appropriate convergent validity, and AVE greater than MSV confirmed divergent validity. The Cronbach's alpha, McDonald's Omega, Composite reliability and maximum reliability H of the five extracted factors were excellent (> 0.9). Also, the AIC values of the factors were good (between 0.721 to 0.859). Conclusion The 38-item Persian version of the postpartum quality of life questionnaire is adequately reliable for postpartum women in Iran. Given its appropriate psychometric properties, this scale is fit to be used in future studies on postpartum women.

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