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Table 4 Univariate- and multivariable linear regression results for association with CarerQoL 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
 Hours of informal care −0.02 − 0.1 – 0.06 0.60 − 0.05 −0.1 – 0.06 0.38
 Partner 0.5 −4.9 – 5.9 0.85 5.3 −3.3 – 13.9 0.23
 Age 0.0 −0.2 – 0.2 0.97 0.02 −0.2 – 0.3 0.91
 Female sex −7.1 −12.4 – − 1.9 0.01 − 7.8 − 13.3 – − 2.3 0.01
 Educational attainment
 Middle vs. low 4.9 −1.3 – 11.2 0.12 5.8 −0.7 – 12.3 0.08
 High vs. low 5.3 −1.9 – 12.6 0.15 5.5 −2.1 – 13.1 0.16
 Measurement time point       
 At 3 months vs. 1 month 5.4 −1.2 – 12.1 0.11 6.3 −0.3 – 12.9 0.06
 At 6 months vs. 1 month 1.0 − 5.4 – 7.4 0.76 0.6 −6.2 – 7.4 0.86
Patient characteristic       
 Age −0.04 −0.4 – 0.3 0.82 −0.2 −0.5 – 0.2 0.36
 Female sex 3.2 −2.9 – 9.3 0.30 1.4 −4.8 – 7.7 0.65
 Mobility
 Some problems vs. no problems 4.0 −3.9 – 11.9 0.32 5.4 −2.4 – 13.3 0.17
 Confined to bed vs. no problems 5.8 −3.7 – 15.4 0.23 8.3 −1.5 – 18.1 0.10
 Living in an institution 3.3 −4.4 – 11.0 0.40 3.8 −4.3 – 11.9 0.36
 Dementia 0.4 −6.6 – 7.4 0.91 −0.04 −7.6 – 7.5 0.99
 GFI −0.9 −2.0 – 0.13 0.09 −0.4 −1.6 – 0.9 0.57
 EQ-5D 3.0 −8.4 – 14.5 0.60 2.9 −9.1 – 14.9 0.63
  1. Abbreviations: CarerQoL care-related quality of life, CI confidence interval, EQ-5D Euroqol-5 Dimensions, GFI Groningen Frailty Indicator
  2. aUnivariate linear regression analysis
  3. bMultivariable linear regression analysis, adjusted for: hours of informal care, caregiver age, caregiver gender, caregiver educational attainment, patient age and measurement time points