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Table 3 Multivariable multinomial regression models to assess predictive validity of perseverance time (data from study A)

From: Perseverance time of informal caregivers for people with dementia: construct validity, responsiveness and predictive validity

  Basic characteristics Perseverance time Basic characteristics and perseverance time
OR institutionalization OR deceased OR institutionalization OR deceased OR institutionalization OR deceased
PwD sex
 Male Reference Reference Reference Reference
 Female 0.76 (0.31–1.91) 1.29 (0.42-3.99) 0.79 (0.30–2.09) 1.28 (0.41–4.03)
Informal caregiver sex
 Male Reference Reference Reference Reference
 Female 0.93 (0.38–2.29) 0.66 (0.20–2.09) 1.01 (0.39–2.65) 0.71 (0.22–2.33)
PwD age
 Per year 1.05 (0.98–1.12) 1.06 (0.97–1.15) 1.03 (0.96–1.10) 1.04 (0.96–1.13)
Informal caregiver age
 Per year 0.98 (0.93–1.04) 0.97 (0.91–1.04) 0.99 (0.94–1.05) 0.97 (0.92–1.05)
Relationship with PwD
 Partner Reference Reference Reference Reference
 Child 1.19 (0.25–5.74) 0.66 (0.09-4.61) 2.39 (0.43–13.18) 1.06 (0.14–8.21)
 Other 1.22 (0.27–5.53) 0.55 (0.06-4.88) 2.40 (0.45–12.02) 0.80 (0.09–7.49)
Perseverance time
 <6 months Reference Reference Reference Reference
 6–12 months 0.37 (0.54–0.72) 0.20 (0.09–1.52) 0.16 (0.04–0.60) 0.32 (0.08–1.36)
 1–2 years 0.13 (0.04–0.43) 0.12 (0.03–0.59) 0.08 (0.02–0.31) 0.12 (0.03–0.56)
 >2 years 0.15 (0.03–0.29) 0.09 (0.04–0.55) 0.06 (0.02–0.21) 0.14 (0.04–0.54)
c-Index
 Home vs. institutionalization 0.639 0.689 0.775
 Home vs. deceased 0.611 0.659 0.717
 Institutionalization vs. deceased 0.631 0.571 0.672
  1. PwD People with dementia