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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Bipolar Disord. 2009 Dec;11(8):876–884. doi: 10.1111/j.1399-5618.2009.00765.x

Table 1.

Baseline demographic characteristics for caregivers and patients

Characteristic Caregiver Patient
(n = 500) (n = 500)

Gender (%)
  Female 65.3 43.8
  Male 34.7 56.2

Age (years), mean ± SD 50.2 ± 13.1 39.9 ± 13.5
  Minimum, maximum 19, 88 18, 84

Ethnicity, % Caucasian 87.8 87.5

Marital status (%)
  Married/cohabitating 74.0 43.0
  Divorced/widowed/separated 18.0 15.8
  Never married 8.0 41.2

Relation to patient (%)
  Parent 37.6
  Spouse 36.4
  Other 26.0

Living with patient (%) 64.8

Employment (%)
  Full-time 55.2 31.7
  Part-time 12.2 14.5
  Retired 15.3 5.5
  Unemployed/student 17.3 48.4

Education (years), mean ± SD 14.5 ± 2.3 14.1 ± 2.3

Age of onset (years), mean ± SD 16.0 ± 3.7
  Minimum, maximum 0, 20

Global Assessment of Functioning scale score (mean ± SD) 66.3 ± 11.5

Alcohol/substance abuse (%) 7.4

Caregiver general health, mean ± SD
  Baseline (n = 495) 3.1 ± 0.8
  6 months (n = 404) 3.0 ± 0.8
  12 months (n = 423) 3.1 ± 0.8

Caregiver depression (CES-D), mean ± SD
  Baseline (n = 466) 10.0 ± 10.0
  6 months (n = 400) 9.5 ± 10.3
  12 months (n = 401) 8.8 ± 10.0

Patient clinically significant SI (%)
  Baseline (n = 493) 12.4
  6 months (n = 331) 10.6
  12 months (n = 296) 5.6

Patient depression (SUM-D), mean ± SD
  Baseline (n = 487) 2.9 ± 2.7
  6 months (n = 327) 2.7 ± 2.5
  12 months (n = 293) 2.5 ± 2.6

Patient history of suicide attempt (%) 37.0

Current clinical status
  Major depression (%) 29.0

CES-D = Center for Epidemiological Studies of Depression Scale; SI = suicidal ideation; SUM-D = continuous symptom subscale for depression.