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Table 4 Explained variance of baseline values and effects of SF-36 and WOMAC by SOC-13 global score in a multivariate linear regression model

From: Association of the sense of coherence with physical and psychosocial health in the rehabilitation of osteoarthritis of the hip and knee: a prospective cohort study

  Baseline Effect (Baseline → Discharge)
  Explained Variance by SOC-13 (%) Total Variance (%) Explained Variance by SOC-13 (%) Total Variance (%)
SF-36 Physical functioning < 0.1 16.4 0.1 15.4
  Role physical 1.4 12.9 < 0.1 13.5
  Bodily pain 0.2 13.7 0.3 18.3
  General health 12.2 20.5 0.1 15.5
  Vitality 11.8 20.3 2.1 26.5
  Social functioning 16.8 19.5 < 0.1 25.5
  Role emotional 19.8 21.4 0.7 26.9
  Mental health 27.9 29.8 4.6 28.3
  PCS 2.5 19.3 < 0.1 15.1
  MCS 32.8 34.4 2.1 26.7
WOMAC Pain 4.4 13.9 0.7 14.0
  Stiffness 1.0 11.5 0.7 25.6
  Function 2.0 16.4 0.6 12.2
  Global 2.4 17.2 0.5 10.8
  1. Legend: SF-36 = short form 36, PCS = physical component summary, MCS = mental component summary, WOMAC = Western Ontario and McMaster Universities Index, SOC-13 = Sense of coherence, 13-item version.