The factor structure of satisfaction ratings for selected employment concerns among people with multiple sclerosis

2019 ◽  
Vol 51 (1) ◽  
pp. 55-66 ◽  
Author(s):  
William R. Merchant ◽  
Jian Li ◽  
Phillip Rumrill ◽  
Richard T. Roessler
2011 ◽  
Vol 17 (12) ◽  
pp. 1498-1503 ◽  
Author(s):  
LB Mokkink ◽  
DL Knol ◽  
BMJ Uitdehaag

Background: Guy’s Neurological Disability Scale (GNDS) is designed to assess disability (i.e. activity limitations) in patients with multiple sclerosis. It contains 12 functional domains, each indicating a level of disability. Four domain scores and a total score can be calculated. Objective: The aim of this study was to evaluate the structural validity of the GNDS in a Dutch population who were definitely diagnosed as having multiple sclerosis. Methods: Data of 974 patients were available. The structural validity of the GNDS was evaluated by confirmatory item factor analysis (CIFA). Two first-order models and two bifactor models were investigated. Results: The best fitted model was a bifactor model with a general factor underlying all items, and 10 items loading on 3 group factors. Cronbach’s alpha on the general factor (0.78) and on the group factor spinal-plus (0.74) were satisfying. Cronbach’s alpha on the group factors mental (0.56) and bulbar (0.48) were low. Reliability based on CIFA was 0.85. Conclusion: Results showed a clear factor structure of the GNDS. It justifies the use of the total score of the GNDS. In addition, three sub-scale scores could be used.


1999 ◽  
Vol 8 (1/2) ◽  
pp. 141-150 ◽  
Author(s):  
L. Cohen ◽  
F. Pouwer ◽  
L. E.M.A. Pfennings ◽  
G. J. Lankhorst ◽  
H. M. van der Ploeg ◽  
...  

2020 ◽  
Vol 34 (2) ◽  
pp. 86-102
Author(s):  
Jian Li ◽  
Richard T. Roessler ◽  
Phillip D. Rumrill ◽  
James Krause

BackgroundSocial and environmental participation endeavors are theorized to shape one's general satisfaction with the overall employment situation facing people with MS.ObjectiveResponding to a national survey of the employment concerns of Americans with multiple sclerosis (MS), this study examined the extent to which factors at the demographic, disease-related, and social and environmental participation levels contribute to the predictability power for general satisfaction with the employment situation for people with MS.MethodParticipants in this study consisted of 1,149 members of nine National Multiple Sclerosis Society (NMSS) chapters representing 21 states and Washington, DC. In a hierarchical multiple regression analysis, participants were mostly older (average age of 50 years) White (74%) individuals, nearly half of whom were unemployed (47%) but well educated (98% were high school graduates, 45% were college graduates).FindingsFindings underscore the complexity involved in predicting how satisfied people with MS are with their overall employment situation.ConclusionsYounger, less educated individuals with higher levels of perceived quality of life who were employed full-time and experiencing no or lower levels of cognitive impairment were more likely than other participants to be satisfied with 17 high-priority employment concerns.


2020 ◽  
Vol 52 (2) ◽  
pp. 173-183
Author(s):  
Phillip D. Rumrill ◽  
Rongxiu Wu ◽  
Penina Goldstein ◽  
Chithra Adams ◽  
Kathleen Sheppard-Jones ◽  
...  

Work ◽  
2015 ◽  
Vol 52 (4) ◽  
pp. 735-748 ◽  
Author(s):  
Phillip D. Rumrill ◽  
Richard T. Roessler ◽  
Jian Li ◽  
Katherine Daly ◽  
Mykal Leslie

2015 ◽  
Vol 22 (5) ◽  
pp. 677-684 ◽  
Author(s):  
Joseph Chilcot ◽  
Sam Norton ◽  
Maedhbh Etain Kelly ◽  
Rona Moss-Morris

Background: Fatigue is one of the most distressing symptoms of multiple sclerosis (MS). Measuring MS fatigue poses a number of challenges. Many measures confound definitions of severity and impact of fatigue and/or lack psychometric validation in MS. Objective: To evaluate the psychometric properties of an 11-item fatigue severity measure, the Chalder Fatigue Questionnaire (CFQ) in MS including validity of the factor structure, internal reliability, discriminant validity and sensitivity to change. Methods: Data were pooled from four previous studies investigating MS fatigue using the CFQ ( n=444). Data analysis included confirmatory factor analysis to determine the factor structure and model fit, correlations to assess discriminant validity and effects sizes to determine sensitivity to change. Results: A bi-factor model with one general fatigue factor, incorporating two smaller group factors (mental and physical fatigue) had good model fit and appeared the most appropriate factor structure underlying the CFQ scale. The CFQ had high internal consistency, showed small to moderate correlations with impact of fatigue and mood, and was sensitive to change across low and high intensity behavioural interventions. Conclusions: The CFQ measuring a composite of physical and mental fatigue severity (i.e. a total score) is a psychometrically sound measure of fatigue severity in MS.


2016 ◽  
Vol 18 (4) ◽  
pp. 192-200 ◽  
Author(s):  
Holly A. Parkerson ◽  
Melissa D. Kehler ◽  
Donald Sharpe ◽  
Heather D. Hadjistavropoulos

Background: The Coping with Multiple Sclerosis Scale (CMSS) was developed to assess coping strategies specific to multiple sclerosis (MS). Despite its wide application in MS research, psychometric support for the CMSS remains limited to the initial factor analytic investigation by Pakenham in 2001. Methods: The current investigation assessed the factor structure and construct validity of the CMSS. Participants with MS (N = 453) completed the CMSS, as well as measures of disability related to MS (Multiple Sclerosis Impact Scale), quality of life (World Health Organization Quality of Life Brief Scale), and anxiety and depression (Hospital Anxiety and Depression Scale). Results: The original factor structure reported by Pakenham was a poor fit to the data. An alternate seven-factor structure was identified using exploratory factor analysis. Although there were some similarities with the existing CMSS subscales, differences in factor content and item loadings were found. Relationships between the revised CMSS subscales and additional measures were assessed, and the findings were consistent with previous research. Conclusions: Refinement of the CMSS is suggested, especially for subscales related to acceptance and avoidance strategies. Until further research is conducted on the revised CMSS, it is recommended that the original CMSS continue to be administered. Clinicians and researchers should be mindful of lack of support for the acceptance and avoidance subscales and should seek additional scales to assess these areas.


Work ◽  
2014 ◽  
Vol 49 (3) ◽  
pp. 523-538 ◽  
Author(s):  
Shawn M. Fitzgerald ◽  
Jian Li ◽  
Phillip D. Rumrill ◽  
William Merchant ◽  
Malachy Bishop

2019 ◽  
Vol 50 (3) ◽  
pp. 210-226
Author(s):  
Malachy L. Bishop ◽  
Michael P. Frain ◽  
Jian Li ◽  
Chung-Yi Chiu ◽  
Bradley McDaniels ◽  
...  

ObjectiveThe Multiple Sclerosis Self-Management Scale (MSSM) was developed to provide a multidimensional and psychometrically sound assessment of self-management knowledge and behavior among adults with multiple sclerosis (MS). The scale was recently updated with new items to address advances in MS treatment and self-management interventions. We present results of an evaluation of these updates and the psychometric adequacy of the updated MSSM.MethodParticipants were 2,393 adults with MS recruited through the North American Research Committee on Multiple Sclerosis (NARCOMS) registry and selected chapters of the National Multiple Sclerosis Society. Participants completed the MSSM and several additional instruments of function and quality of life. A seven-factor structure of the revised MSSM (MSSM-2) was identified using exploratory and confirmatory factor analysis and the stability of the factor structure was evaluated using a cross-validation approach.ResultsFactor analysis of the updated MSSM-2 revealed seven factors. Construct validity was supported by factor analysis and correlation of the MSSM with constructs related to self-management.ConclusionThe MSSM-2 provides a brief, psychometrically sound multidimensional assessment of MS self-management for research and clinical applications.


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