Development and Evaluation of the Psychometric Properties of the CKD-MBD Knowledge and Behavior (CKD-MBD-KB) Questionnaire for Patients With Chronic Kidney Disease
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Chronic kidney disease-mineral and bone disorder (CKD-MBD) is one of the most complicated morbidities among patients with end-stage renal disease. At present, a specific questionnaire assessing relevant knowledge and behavior for patients with CKD-MBD is still unavailable.To develop and evaluate a valid and reliable questionnaire specific to patients with CKD-MBD.Both quantitative and qualitative analyses were combined to develop and estimate the CKD-MBD knowledge and behavior (CKD-MBD-KB) questionnaire. Three hundred thirteen and 295 patients, respectively, participated in the investigation during the period from November 2013∼October 2014. Reliability and validity testing were conducted to analyze the psychometric properties of questionnaire.The final version of the CKD-MBD-KB questionnaire encompasses two domains, five facets, and 50 items. Reliability analysis showed that the Cronbach alpha of the five facets ranged from 0.578 to 0.854. Retest correlation coefficients of the five facets ranged from 0.825 to 0.944. Nine common factors were extracted from exploratory factor analysis that interpreted the cumulative variation of 64.1%, and factor loadings of all items were greater than 0.4. The results of confirmatory factor analysis indicated that the model had a satisfactory goodness of fit; the root mean square error of approximation = 0.070. Meanwhile, a significant correlation was found between each item and its facet.This CKD-MBD-KB questionnaire has been confirmed to have adequate psychometric properties (good reliability and validity) and may be useful in the assessment of patient-related knowledge, intervention programs, and treatment protocols.Keywords:
Exploratory factor analysis
The Cardiac Depression Scale (CDS) is an instrument to screen for depression, specifically in patients with cardiovascular diseases (CVD). The purpose of this study was to evaluate the psychometric properties of the Arabic version of the CDS in the Jordanian population.A cross-sectional design was used for 304 participants diagnosed with CVD. An exploratory factor analysis (EFA) was performed to explore the underlying structure of the new Arabic version of the CDS tool.Cronbach's alpha for the total scale was 0.87. An EFA suggested a two-factor solution. The first factor has 18 items, measuring "My tolerance" of CVD, and the second factor has seven items, measuring "My activities" in the context of CVD. Based on the EFA simple structure, one item was removed due to its low factor loading (< 0.3). A confirmatory factor analysis (CFA) supported a two-factor model with the root mean square error of approximation (RMSEA = 0.06), comparative fit index (CFI = 0.856), and Tucker-Lewis index (TLI = 0.83) indicating acceptable fit. The Cronbach's alpha values for the first and second factors were 0.86 and 0.84, respectively.The Arabic version of the CDS is a reliable and valid instrument to screen for depression among Jordanian patients with CVD.
Exploratory factor analysis
Depression
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Abstract Background The Physical Health Attitude Scale (PHASe) is a reliable and valid scale for assessing mental health nurses’ attitude towards providing physical healthcare to patients diagnosed with serious mental illness. Aims To psychometrically evaluate the Chinese adaptation of the PHASe. Methods A total of 520 mental health nurses from 11 hospitals across Taiwan participated in this study. Brislin’s translation model was utilized for the validation process. Both exploratory factor analysis and confirmatory factor analysis were used to establish the construct validity of the scale, and Cronbach’s alpha and composite reliability were used to determine reliability. Results The four-factor 17-item Chinese version of the PHASe demonstrated satisfactory fit with significant factor loadings. Each factor had adequate internal consistency (Cronbach's alpha = 0.70 to 0.80). Known-group validity was supported by the significant differences between groups with different attitudes. Conclusions Our findings suggest that the Chinese version of PHASe is acceptable for evaluating nurses’ attitude towards providing physical health care both within culturally Chinese societies and in cross-cultural studies.
Exploratory factor analysis
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Objective: Development and Psychometric testing of doctor burnout scale.Methods: 48 items were determined by reviewing items in relating literatures and scales,interview and expert discussions.Then about176 and 436 doctors were picked out randomly as samples from two three-level hospital of Xi'an.Item analysis,exploratory factor analysis,reliability analysis and confirmatory factor analysis were used to analyses the data.Results: Doctor burnout scale comprised six subscales: fatigue,reduced ability to work,engagement decline,lack of Personal accomplishment,job control decline and job prospects.The scale was comprised of 30 items,and the factor loading of the items ranged from 0.541 to 0.856(P 0.001).Cronbach'α coefficient of the six subscales were from 0.886 to 0.896,and the Cronbach'αcoefficient of the scale was 0.894.Confirmatory factor analysis showed a higher goodness of fit((RESEA=0.062,GFI=0.859,CFI=0.842,IFI=0.851).The correlation was significant between this scale and MBI(P 0.05).Conclusion: The doctor burnout scale has acceptable psychometrics properties on reliability and validity,and can be used as a measurement tool for measuring the burnout of doctors.
Exploratory factor analysis
Item analysis
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The aim of this study was to determine the psychometric properties of the Spanish version of the SOC-13 in Colombian adults. The SOC-13 questionnaire was administered to 489 individuals aged ≥18 years who were in lockdown from March to July 2020 in Nariño County, Colombia. Psychometric properties of the scale were examined using a cross-validation method via exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Additionally, configural and metric invariance were tested. To determine the internal consistency of the questionnaire, McDonald's omega (ω), Cronbach's alpha (α), and composite reliability (CR) coefficients were estimated. The EFA determined that a three-factor structure best fit the data (comprehensibility, manageability, and meaningfulness) and CFA confirmed this three-factor model structure showing a good fit (χ2S-B = 188.530, χ2S-B/(62) = 3.615, p = 0.001; NNFI = 0.959; CFI = 0.968; RMSEA = 0.052 (90% CI [0.041-0.063]) and SRMR = 0.052).The invariance analysis indicated the same underlying theoretical structure between genders. Additionally, (ω), (α), and (CR) coefficients confirmed a high internal consistency of the instrument. The SOC-13 scale, reflecting comprehensibility, manageability, and meaningfulness, is a reliable and valid tool for assessing the sense of coherence in Colombian populations.
Exploratory factor analysis
Measurement Invariance
Factor Analysis
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Objective: The aim of this study was to develop and examine the psychometric properties of a Turkish version of the 4-item Gaming Disorder Test (GDT), a brief, standardized instrument used to assess GD based on the World Health Organization diagnostic framework. Method: A total of 606 young participants, aged 11-18 years, were recruited for this study through an online survey. The scale's validity was examined using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Cronbach's alpha coefficient calculation and test-retest analysis were used to determine the scale's internal and time-dependent reliability. Multiple regression analysis was also performed to determine the predictive power of cognitions in GD. Results: EFA and CFA analyses yielded a unidimensional factor structure with adequate psychometric properties for the Turkish version of the scale, which was consistent with the original. The Cronbach's alpha coefficient value of 0.84 indicated that the scale was reliable and time-dependent invariance of the scale was proven using test-retest analysis. Maladaptive cognitions related to overvaluing gaming rewards, maladaptive and inflexible rules about gaming, and gaming for social identity were found to be associated with GD. Conclusion: The Turkish version of the 4-item GDT has sound psychometric properties and may be used as a valid and reliable tool to assess the symptoms and prevalence of GD among adolescents in Turkey.
Exploratory factor analysis
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Validity
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Abstract Background The adoption of the Chronic Oral Mucosal Disease Questionnaire (COMDQ) into clinical practice has been low, despite its rigorous development process. A potential limitation of the COMDQ is the high response burden to patients. Therefore, the aim of the present study was to develop and validate a short version of the 26‐item COMDQ. Methods The COMDQ data of 520 patients with chronic oral mucosal diseases were randomly divided into two subsamples. Descriptive item analysis and exploratory factor analysis (EFA) were performed using data from the first subsample for item reduction and development of the shortened COMDQ. The resulting short version was then validated using confirmatory factor analysis (CFA) on the other subsample. Internal consistency reliability of the short‐form COMDQ was assessed using Cronbach's alpha. Criterion validity of this new scale was examined against its original version. Results Based upon item analysis, 11 items were dropped. EFA results on the remaining 15 items extracted four factors consistent with the original COMDQ, and CFA results displayed acceptable goodness‐of‐fit indices of this factor structure on different sample. The COMDQ‐15 was then created. Cronbach's alpha of four subscale scores ranged from 0.7 to 0.91, indicating good internal consistency reliability of the COMDQ‐15. Correlations between total and subscale scores of the COMDQ‐15 and its parent scale were high, supporting good criterion validity of this shortened scale. Conclusion The COMDQ‐15 is a brief, valid and reliable instrument that can give an overview of the patient's quality of life related to their chronic oral mucosal conditions.
Exploratory factor analysis
Item analysis
Goodness of fit
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Abstract Aim To assess the psychometric properties of the Arabic version of the Diabetes Self‐Efficacy Scale (A‐DSES). Design This study used a cross‐sectional design. Methods This study recruited 154 Saudi adults with type 2 diabetes at two primary healthcare centres in Riyadh, Saudi Arabia. Its instruments were the Diabetes Self‐Efficacy Scale and the Diabetes Self‐Management Questionnaire. The psychometric properties of the A‐DSES were assessed for reliability, including internal consistency and validity using exploratory factor analysis, confirmatory factor analysis and criterion validity. Results The item‐total correlation coefficients were >0.30 for all items, ranging from 0.46 to 0.70. The Cronbach's alpha for internal consistency was 0.86. One factor was extracted from the exploratory factor analysis (self‐efficacy for diabetes self‐management), and the one‐factor model showed an acceptable fit to the data in the confirmatory factor analysis. Diabetes self‐efficacy levels were positively correlated with diabetes self‐management skills ( r = 0.40, p < 0.001), indicating criterion validity. Conclusions The results indicate that the A‐DSES is a reliable and valid instrument for assessing self‐efficacy related to diabetes self‐management. Relevance to Clinical Practice The A‐DSES could be used in clinical practice and research to provide a reference for assessing self‐efficacy levels in areas of diabetes self‐management. No Patient or Public Contribution Participants were not involved in the design, conduct, reporting or dissemination plans of this research.
Exploratory factor analysis
Diabetes management
Face validity
Self-Efficacy
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The purpose of this study was to construct and validate a “Perceived Physical Literacy Instrument” (PPLI) for physical education teachers. Based on literature review and focus group interviews, an 18-item instrument was developed for the initial tests. This self-report measure, using a 5-point Likert scale, formed the PPLI and was administered to 336 physical education teachers in Hong Kong. The sample was randomly split, and exploratory and confirmatory factor analyses resulted in a 9-item, 3-factor scale. Exploratory factor analysis (EFA) item loadings ranged from 0.69 to 0.87, and Cronbach’s alpha ranged from 0.73 to 0.76. Confirmatory factor analysis (CFA) showed that the construct demonstrated good fit to the model. The PPLI thus appeared to be reliable and valid to measure the perceived physical literacy of physical education teachers. It is argued that the instrument can be used for both research and applied purposes and potential uses for the instrument in physical education, medical and health settings are discussed.
Physical Education
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The study aims to develop a measurement tool that will determine the innovative leadership levels of nurses.This methodological paper was conducted with 615 nurses. The content validity, factor analyses, and Cronbach's alpha test were used for psychometric assessment.As a result of the exploratory factor analysis, the scale consists of 43 items and five subscales. Confirmatory factor analysis showed that the innovative leadership scale (ILS) is a valid model.There is a need for innovative leading nurses in the healthcare field. The psychometric assessment showed the ILS is a valid and reliable scale.
Exploratory factor analysis
Psychometric testing
Content Validity
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