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Table 2 Summary statistics of CES-D score and time-varying variables

From: The associations between caregivers’ psychosocial characteristics and caregivers’ depressive symptoms in stroke settings: a cohort study

   Three-month (n = 214)a Cronbach’s alpha for three-month One-year (n = 143)b Cronbach’s alpha for 1-year
Caregivers      
Median CES-D (IQR)   4 (2–7) 0.84 3 (1–5) 0.76
Median ZBI Score (IQR)   7 (5–13) 0.82 5 (0–11) 0.88
Median quality of care-relationship (IQR)   12 (10–12) 0.89 12 (9–12) 0.95
Median expressive social support (IQR)   25 (23.5–32) 0.95 24 (23–29) 0.93
Median OCBS (IQR)   31 (23–42) 0.92 29 (19–37) 0.95
Number of health conditions, n (%)      
   No health conditions 151 (72.3%)   125 (87.4%)  
   1 or more health condition 58 (27.8%)   18 (12.6%)  
Patients      
Median CES-D (IQR)   4.5 (1–9) 0.88 4 (1–7) 0.80
  1. CES-D (Center for epidemiologic studies depression), n (sample size), IQR (Interquartile range), OCBS (Oberst caregiving burden score), ZBI (Zarit Burden Interview)
  2. aNumber of missing observations: Caregivers’ CES-D (n = 5), ZBI (n = 3), Expressive Social Support (n = 2), OCBS (n = 35), number of health conditions (n = 5), Patients’ CES-D (n = 14)
  3. bNumber of missing observations: Caregivers’ CES-D (n = 2), ZBI (n = 3), Expressive Social Support (n = 2), OCBS (n = 6), Patients’ CES-D (n = 2)