Caregivers of individuals with Dementia: (Wang et al, 2008; n = 42; mean age = 66 (12.67) years; Chinese sample)
- Mean ZBI score = 24.40 (14.68) points
Caregivers of individuals with Acute Stroke & COPD: (Schreiner et al, 2006)
- ZBI with stroke patients; mean score = 28.32 (12.7) points
- ZBI with COPD patients; mean score = 20.35 (13)points
- ZBI among patients with General Disabilities; score = 30.34 (17.7) points
Caregivers of individuals with cancer, dementia and acquired brain injury: (Higginson et al, 2010; cancer (n= 105), dementia (n = 131), and acquired brain injury (n= 215); mean ages across samples range from 54 to 60 years)
Descriptive statistics of scores for six short-form and full-scale versions of the ZBI
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Diagnosis
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Version
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Stats
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Cancer
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Dementia
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ABI
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ZBI-12
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Mean (SD)
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12.0 (8.5)
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15.1 (10.0)
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21.7 (10.1)
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95% CI
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10.4-13.7
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13.4-16.8
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20.4-23.1
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ZBI-8
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Mean (SD)
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5.5 (4.7)
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8.8 (6.1)
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11.5 (7.2)
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95% CI
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4.6-6.4
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7.7-9.8
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10.5-12.4
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ZBI-7
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Mean (SD)
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7.4 (5.6)
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9.9 (6.8)
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14.3 (7.0)
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95% CI
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6.3-8.5
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8.7-11.1
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13.4-15.3
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ZBI-6
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Mean (SD)
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6.4 (4.9)
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8.2 (5.8)
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12.3 (6.0)
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95% CI
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5.4-7.3
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7.2-9.2
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11.5-13.1
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ZBI-4
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Mean (SD)
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4.8 (3.5)
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6.1 (4.1)
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7.9 (3.8)
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95% CI
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4.2-5.5
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5.4-6.8
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7.3-8.4
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ZBI-1
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Mean (SD)
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1.0 (1.2)
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1.7 (1.3)
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2.1 (1.3)
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95% CI
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0.8-1.3
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1.5-2.0
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1.9-2.2
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ZBI-22
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Mean (SD)
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23.2 (13.4)
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27.9 (16.4)
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39.1 (17.3)
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95% CI
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20.7-25.8
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25.0-30.7
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36.8-41.4
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Caregivers of Patients with Dementia: (Zarit et al, 1986; n = 64; mean male age = 72.27 (6.72), mean female age = 63.37 (7.48) years)
Interviewed at an initial interview then two years later:
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At home
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Nursing home
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Deceased
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Time 1
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Time 2
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Time 1
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Time 2
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Time 1
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Burden
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33.59
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29.17
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43.54
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23.44
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39.33
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Mental status questionnaire
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3.54
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2.08
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2.36
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a
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2.87
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Frequency of memory and behavior problems
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45.72
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44.55
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48.00
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44.50
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51.93
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Cross product of memory and behavior problems
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47.76
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19.06
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67.36
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35.25
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65.40
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Formal / Informal social supports
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12.25
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11.70
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11.36
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12.71
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11.00
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Subjective social supports
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2.22
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2.72
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1.64
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0.75
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1.87
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Quality of prior relationship
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8.35
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--
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7.64
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--
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6.67
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a = patients in nursing homes were not tested at Time 2
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Caregivers of individuals with Dementia: (Wang et al, 2008; n = 42; mean age = 66 (12.67) years; Chinese sample)
- Mean ZBI score = 24.40 (14.68) points
All values = Mean (SD)