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Table 1 Socio-demographic and clinical characteristics of the sample (N = 101)

From: Associations between circadian misalignment and telomere length in BD: an actigraphy study

Variables

N

%

Median

IQR

Sex (females)

62

61.4%

  

Age

  

42.6

33.8–54.2

BD type 1

75

74.3%

  

Age at onset

  

24

20–30

Duration of BD

  

15

10–25

Number of episodes

  

6

4–9

Number of mood stabilizers

  

1

1–2

Lithium

66

65.3%

  

Anticonvulsants

48

47.5%

  

Antipsychotics

32

31.7%

  

Antidepressants

29

28.7%

  

Benzodiazepines

11

10.9%

  

Body Mass Index

  

24.5

22.5–27.8

Sleep apnea risk

19

18.8%

  

Tobacco current smoker

48

47.5%

  

Past lifetime alcohol misuse

31

30.7%

  

MADRS

  

2

0–4

YMRS

  

0

0–1

M10 onset (hours)

  

10:00

8:00–11:00

L5 onset (hours)

  

1:00

0:00–2:00

CSMa total score

  

36

30–42

Chronotype categories

 Morning

18

17.8%

  

 Intermediate

53

52 5%

  

 Evening

30

29.7%

  

Telomere length

  

2.9

2.3–3.8

  1. IQR: interquartile, BD: Bipolar Disorder, MADRS: Montgomery Asberg Depression Rating Scale, YMRS: Young Mania Rating Scale, CSM: Composite Scale of Morningness
  2. aA lower CSM scores is indicative of an evening type (range: 13–55)