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Table 1 Parental characteristics

From: Sleep characteristics in child and adolescent offspring of parents with bipolar disorder: a case control study

 

Bipolar families (N = 34)

Control families (N = 33)

p- value

Families

 Intact family, N, (%)

16 (47.1)

25 (75.8)

0.02a

 Father’s education, E/H/U, N

3/18/13

0/13/20

0.07b

 Mather’s education, E/H/U, N

2/24/8

0/11/22

0.001b

Probands

 Female/Male

19/15

18/15

1.00a

Mood disorders, N, (%)

 BD I

25 (73.5)

n/a

n/a

 BD II

9 (26.5)

n/a

n/a

 Age at onset of BD, mean ± SD

26.3 ± 10.7

n/a

n/a

 No. of BD episodes, mean ± SD

5.4 (2.6)

n/a

n/a

 Suicidal attempt, N, (%)

13 (38.2)

0

<0.001a

 Psychotic symptoms, N, (%)

7 (20.6)

0

0.01 a

Non-mood disorders, N, (%)

 Any anxiety disorder

4 (11.8)

1 (3.0)

0.36a

 Substance abusec

7 (20.6)

1 (3.0)

0.05a

  1. BD bipolar disorder, E/H/U Elementary/High school/University, N number, n/a non-applicable, SD standard deviation
  2. aFisher’s exact test, bPearson chi-square test; cincludes alcohol marijuana and amphetamines
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BMC Psychiatry

ISSN: 1471-244X

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