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Table 3 Univariate- and multivariable linear regression results for association with intensity of provided informal care of informal caregivers

From: Care-related Quality of Life of informal caregivers of the elderly after a hip fracture

  Unadjusteda Adjustedb
Caregiver characteristic β 95% CI p β 95% CI p
 CarerQoL −0.1 −0.5 – 0.3 0.60 −0.2 − 0.5 – 0.1 0.19
 Partner 42.5 33.4 – 51.5 < 0.001 34.0 20.9 – 47.1 < 0.001
 Age 1.3 0.9 – 1.7 < 0.001 0.3 −0.2 – 0.8 0.23
 Female sex −11.8 −23.5 – −0.2 0.05 −4.6 −13.8 – 4.7 0.33
 Educational attainment
 Middle vs. low −17.0 −30.2 – − 3.8 0.01 −2.4 − 13.5 – 8.6 0.66
 High vs. low −27.4 −42.7 – −12.1 0.001 −9.1 −21.9 – 3.6 0.16
 Measurement time point
 At 3 months vs. 1 month −5.4 −19.2 – 8.5 0.45 6.7 −4.9 – 18.4 0.26
 At 6 months vs. 1 month −25.6 −39.0 – 12.1 < 0.001 −8.3 − 20.1 – 3.5 0.16
Patient characteristic       
 Age −1.4 −2.1 – −0.7 < 0.001 0.02 -0.7 – 0.7 0.95
 Female sex −2.0 −15.4 – 11.4 0.77 8.9 −1.7 – 19.5 0.10
 Mobility
 Some problems vs. no problems 12.0 −5.2 – 29.2 0.17 2.7 −10.8 – 16.1 0.39
 Confined to bed vs. no problems 19.0 −1.8 – 39.9 0.07 5.1 −11.7 – 21.9 0.60
 Living in an institution −20.6 −37.2 – −3.9 0.02 −0.3 − 20.8 – 21.5 0.97
 Dementia −21.5 −36.4 – −6.6 < 0.01 −7.0 − 26.5 – 12.6 0.48
 GFI −2.9 −5.1 – −0.6 0.01 1.9 −0.4 – 4.1 0.10
 EQ-5D 10.9 −16.6 – 38.4 0.43 −10.4 −32.2 – 11.4 0.35
  1. Abbreviations: CI confidence interval, CarerQoL care-related quality of life, EQ-5D Euroqol-5 Dimensions, GFI Groningen Frailty Indicator
  2. aUnivariate linear regression analysis
  3. bMultivariable linear regression analysis, adjusted for: partner, caregiver age, caregiver gender, caregiver educational attainment, patient age, living in an institution, dementia and measurement time points