Table 2.

Multivariable importance of variables using VAS “thermometer” assessment of quality of life as dependent variable. Metrics are normalized to sum to 100% for cognitive impairment through widespread pain index. All data are percentages.

ItemRA (N = 5884)RA FM+ (N = 1233)RA FM− (N = 4651)FM All (N = 808)FM Criteria (+) (N = 466)
Cognitive impairment3.91.62.010.811.4
Fatigue14.29.914.915.812.0
HAQ disability20.224.124.117.220.5
Mood9.113.09.17.55.9
Pain18.720.621.517.419.9
Sleep9.99.59.78.59.3
Stiffness8.29.67.76.33.5
Symptom count7.75.35.86.94.2
Widespread pain index8.16.55.29.513.3
Explained variance34.019.726.928.517.1
Maximum explained variance*37.924.731.133.424.7
  • * Separate model that includes above variables plus SF-36 physical component summary. HAQ: Health Assessment Questionnaire.