title: Socio-demographic variables are limited predictors of health status in multiple sclerosis.
abstract: OBJECTIVE
  Self-reported health status measures reflect disease impact from the patient's perspective. However, such measures are not designed for individual patient use and are rarely used to guide clinical practice. Nevertheless, if strong predictors of health status can be demonstrated in large datasets, these could be used to identify people at risk of poor health states and help target interventions. The aim of this study was to examine the predictive value of routinely collected socio-demographic variables on health status.
  
  
  METHODS
  Data for 638 patients with multiple sclerosis (MS) on the eight health dimensions of the Medical Outcomes Study 36-item Short Form Health Survey (SF-36) were collected either by a postal survey or hospital attendance and analysed by multiple regression analyses.
  
  
  RESULTS
  Several sociodemographic variables, such as unemployment and manual social class had some predictive value on health status, but the effect was not strong (maximum cumulative variance explained 53 %).
  
  
  CONCLUSIONS
  Sociodemographic variables that we studied were limited predictors of health status in MS and are of limited value in guiding clinical practice.
mesh_terms: D000328:Adult; D000368:Aged; D016001:Confidence Intervals; D003430:Cross-Sectional Studies; D005260:Female; D006304:Health Status; D006306:Health Surveys; D006801:Humans; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000191:economics* / Q000453:epidemiology*; D015999:Multivariate Analysis; D011237:Predictive Value of Tests; D012959:Socioeconomic Factors; D018709:Statistics, Nonparametric