7 results on '"Rex D"'
Search Results
2. Assessing possible selection bias in a national voluntary MS longitudinal study in Australia.
- Author
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Taylor, Bruce V, Palmer, Andrew, Simpson, Steve, Lucas, Robyn, Simmons, Rex D, Mason, Deborah, Pearson, John, Clarke, Glynnis, Sabel, Clive, Willoughby, Ernie, Richardson, Anne, and Abernethy, David
- Subjects
MULTIPLE sclerosis ,RESEARCH bias ,QUALITY of life ,LONGITUDINAL method ,PATIENTS - Abstract
The article discusses a study on the assessment of the impacts of multiple sclerosis (MS) in the lives of the MS disease carriers in Australia. The study uses a cost-effective assessment strategy by conducting surveys from the volunteer members of an MS registry. It says that the strategy may exhibit different outcomes resulting to the prevalence of volunteer bias. It adds that the Australian Multiple Sclerosis Longitudinal Study (AMSLS) was determined essential in the country's MS population.
- Published
- 2013
- Full Text
- View/download PDF
3. The Costs of Keeping Cool for Australians with Multiple Sclerosis.
- Author
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Verikios, George, Summers, Michael P., and Simmons, Rex D.
- Subjects
COOLING ,MULTIPLE sclerosis ,HOUSEHOLDS ,SENSITIVITY analysis ,SURVEYS ,PATIENTS - Abstract
Heat intolerance is a significant medical problem affecting people with multiple sclerosis (MS). For people with MS, the costs of running their air conditioners are an additional disease-related expense that must be met on top of other out-of-pocket disease-related expenses. Using the results of the 2008 Keeping Cool Survey, we estimate the relative economic disadvantage faced by MS households in trying to keep cool. We find that MS households spend around four times more on keeping cool than average Australian households. Sensitivity analysis indicates that our results are robust with respect to all key inputs and parameters. [ABSTRACT FROM AUTHOR]
- Published
- 2013
- Full Text
- View/download PDF
4. The economic impact of multiple sclerosis in Australia in 2010.
- Author
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Palmer AJ, Colman S, O'Leary B, Taylor BV, and Simmons RD
- Subjects
- Adult, Aged, Australia epidemiology, Cost of Illness, Costs and Cost Analysis, Disability Evaluation, Drug Costs, Female, Health Care Costs, Humans, Longitudinal Studies, Male, Middle Aged, Multiple Sclerosis epidemiology, Nursing Homes statistics & numerical data, Prescription Drugs economics, Prevalence, Salaries and Fringe Benefits, Sex Factors, Multiple Sclerosis economics
- Abstract
Background: Multiple sclerosis (MS) has a major impact on health and is a substantial burden on patients and society. We estimated the annual costs of MS in Australia from individual and societal perspectives using data from the Australian MS Longitudinal Study (AMSLS) and prevalence figures from 2010., Methods: Direct and indirect costs were estimated from a subsample of 712 AMSLS subjects who completed baseline and follow-up economic impact surveys. All costs are in 2010 Australian dollars (AUD)., Results: Annual costs per person with MS were AUD48,945 (95% CI: 45,138 to 52,752). Total costs were AUD1.042 (0.9707 to 1.1227) billion based on a prevalence of 21,283. The largest component was indirect costs due to loss of productivity (48%). Costs increased with increasing disability: AUD36,369, AUD58,890 and AUD65,305 per patient per year for mild, moderate and severe disability, respectively. Total costs of MS to Australian society have increased 58% between 2005 and 2010., Conclusions: This study confirms that MS imposes a substantial burden on Australian society, particularly impacting on productivity. The burden increases with worsening disability associated with the disease. Investment in interventions that slow progression, as well as resources, services and environments that assist people with MS to retain employment, is supported.
- Published
- 2013
- Full Text
- View/download PDF
5. Assessing possible selection bias in a national voluntary MS longitudinal study in Australia.
- Author
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Taylor BV, Palmer A, Simpson S Jr, Lucas R, Simmons RD, Mason D, Pearson J, Clarke G, Sabel C, Willoughby E, Richardson A, and Abernethy D
- Subjects
- Adolescent, Adult, Age Factors, Age of Onset, Aged, Aged, 80 and over, Australia epidemiology, Child, Child, Preschool, Cohort Studies, Cross-Sectional Studies, Ethnicity, Female, Humans, Longitudinal Studies statistics & numerical data, Male, Middle Aged, New Zealand epidemiology, Prevalence, Research Design, Sex Factors, Tasmania epidemiology, Young Adult, Longitudinal Studies methods, Multiple Sclerosis epidemiology, Selection Bias
- Abstract
Background: Surveying volunteer members of a multiple sclerosis registry is a very cost-effective way of assessing the impact of the disease on life outcomes. However, whether the data from such a study can be generalised to the whole population of persons living with MS in a country or region is unclear., Methods: Here we compare the demographic and disease characteristics of participants in one such study, the Australian Multiple Sclerosis Longitudinal Study (AMSLS), with two well-characterised MS prevalence studies with near-complete ascertainment of MS in their study regions., Results: Although some differences were found, these largely represented the effects of geography (sex ratios) and local factors (national immunomodulatory therapy prescribing requirements), and the cohorts were otherwise comparable. Overall, despite comprising only 12-16% of MS cases in Australia, the AMSLS is highly representative of the MS population., Conclusions: Therefore with some minor caveats, the AMSLS data can be generalised to the whole Australasian MS population. Volunteer disease registries such as this can be highly representative and provide an excellent convenience sample when studying rare conditions such as MS.
- Published
- 2013
- Full Text
- View/download PDF
6. The multiple sclerosis work difficulties questionnaire.
- Author
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Honan CA, Brown RF, Hine DW, Vowels L, Wollin JA, Simmons RD, and Pollard JD
- Subjects
- Absenteeism, Adult, Aged, Australia, Cognition, Cross-Sectional Studies, Factor Analysis, Statistical, Female, Humans, Likelihood Functions, Male, Middle Aged, Multiple Sclerosis, Chronic Progressive physiopathology, Multiple Sclerosis, Chronic Progressive psychology, Multiple Sclerosis, Relapsing-Remitting physiopathology, Multiple Sclerosis, Relapsing-Remitting psychology, Predictive Value of Tests, Psychometrics, Reproducibility of Results, Sick Leave, Time Factors, Unemployment, Multiple Sclerosis, Chronic Progressive diagnosis, Multiple Sclerosis, Relapsing-Remitting diagnosis, Surveys and Questionnaires, Work Capacity Evaluation, Workplace
- Abstract
Background: A better understanding of the workplace difficulties experienced by people with multiple sclerosis (PwMS) may be critical to developing appropriate vocational and rehabilitative programs., Objective: We aimed to assess the factor structure, internal consistency and validity of the new Multiple Sclerosis Work Difficulties Questionnaire (MSWDQ)., Methods: Work difficulty items were developed and reviewed by a panel of experts. Using the MSWDQ, cross-sectional self-report data of work difficulties were obtained in addition to employment status and MS disease information, in a community-based sample of 189 PwMS., Results: Exploratory Maximum Likelihood Factor Analysis on the draft questionnaire yielded 50 items measuring 12 factors. Subscale internal consistencies ranged from 0.74 to 0.92, indicating adequate to excellent internal consistency reliability. The MSWDQ explained 40% of the variance in reduced work hours since diagnosis, 40% of the variance in expectations about withdrawing from work, 34% of the variance in expectations about reducing work hours, and 39% of the variance in expectations about changing type of work due to MS., Conclusion: The MSWDQ is a valid and internally reliable measure of workplace difficulties in PwMS. Physical difficulties, as well as cognitive and psychological difficulties were important predictors of workplace outcomes and expectations about future employment.
- Published
- 2012
- Full Text
- View/download PDF
7. Living with multiple sclerosis: longitudinal changes in employment and the importance of symptom management.
- Author
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Simmons RD, Tribe KL, and McDonald EA
- Subjects
- Adult, Age Factors, Aged, Australia, Chronic Disease, Cross-Sectional Studies, Female, Humans, Longitudinal Studies, Male, Middle Aged, Probability, Regression Analysis, Severity of Illness Index, Sex Factors, Employment, Multiple Sclerosis psychology, Multiple Sclerosis therapy
- Abstract
People with multiple sclerosis (MS) tend to have lower participation in paid employment compared to those with other chronic diseases. In two large-sample, self-report surveys of MS patients performed 4 years apart, employment rates were measured both cross-sectionally and longitudinally. The reasons for employment loss and perceived risk of future employment loss were also assessed. A total of 1,135 patients responded to the first survey, 1,329 to the second, and 667 to both. Longitudinal loss of employment was 5.4% over the 4 years 2003-2007, a period of relative national economic prosperity. By 2007, 56% of MS patients had lost employment due to MS and 64% were not in the paid labour force. Regression analysis indicated that men were more likely than women to leave their employment because of their MS, and older people were more likely than younger ones to do so. Level of occupational skill using Australian Bureau of Statistics categorisation was not predictive of maintaining or losing employment. The main reasons reported by people with MS for their loss of employment involved the ineffective management of symptoms of MS in the workplace, rather than workplace-related factors including insufficient flexibility of employment conditions or being asked to leave or sacked. The most frequently listed symptoms relating to employment loss, and perceived risk of losing current employment, were fatigue, mobility-related symptoms, arm and hand difficulties, and cognitive deficits. These findings imply that many employees with MS are leaving their planning for effective symptom management, and for appropriate accommodations in the workplace, until such planning is too late to be effective. The potential advantages of early, supported disclosure of diagnosis to employers before MS symptoms become a problem are discussed.
- Published
- 2010
- Full Text
- View/download PDF
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