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Table 1 Basic demographics of the study population

From: Relationships of coping styles and psychological distress among patients with insomnia disorder

Characteristic Insomnia(n = 79) Controls (n = 80) P
Age (year) 44.27 ± 10.22 46.24 ± 9.24 0.20
Gender Female (%) 46 (58.3%) 44 (55.0%) 0.68
BMI 23.88 ± 3.46 24.00 ± 3.13 0.82
Marital status
 Single/widower/divorced (%) 8 (10.1%) 6 (7.5%) 0.56
 Married (%) 71 (89.9%) 74 (92.5%) 0.56
Years of education (year) 11.90 ± 2.73 12.09 ± 3.21 0.69
Regular tobacco use (%) 24 (30.4) 10 (12.5) 0.01
Regular alcohol intake (%) 23 (29.1) 13 (16.3) 0.06
Duration of symptoms (mo) 20.92 ± 27.77
PSQI total score 10.43 ± 3.19
Subjective sleep quality 1.87 ± 0.70
Sleep latency 2.42 ± 0.86
Sleep duration 1.44 ± 1.07
Habitual sleep efficiency 1.53 ± 1.34
Sleep disturbance 1.73 ± 0.57
Use of sleeping medications 0.66 ± 1.08
Daytime dysfunction 0.66 ± 0.68
  1. BMI body mass index calculated as weight (kg)/height (m2)