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Table 1 Demographic characteristics, sleep quality, depression level and cognitive performance of the study subjects

From: The stigma of patients with chronic insomnia: a clinical study

Variable

Chronic insomnia disorder

Healthy controls

Statistic

P-value

Number of cases

70

70

  

Male/female

21/49

26/44

C2 = 0.80

0.4

Age (year)

50.0 (43.0, 55.0)

47.0 (38.5, 54.0)

U = 2235.0

0.4

Education (year)

9.0 (6.0, 12.0)

9.0 (8.8, 15.0)

U = 2840.0

0.1

Illness duration (year)

6.0 (3.0, 13.5)

   

PSQI score

16.0 (14.0,17.0)

4.0 (3.0, 5.0)

U = 2485.0

 < 0.001

HAMD-17 score

11.0 (7.8, 13.0)

2.0 (0.0, 3.0)

U = 69.5

 < 0.001

MoCA-C score

23.0 (20.0, 26.0)

26.0 (26.0, 28.0)

U = 3997.5

 < 0.001

  1. Normally distributed variables are shown as means ± standard deviations; non-normally distributed variables are shown as P50 (P25, P75)
  2. Abbreviations: HAMD-17 17-item Hamilton Depression Rating Scale, MoCA-C Chinese-Beijing Version of Montreal Cognitive Assessment, PSQI Pittsburgh Sleep Quality Index
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BMC Psychiatry

ISSN: 1471-244X

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