Table 1 Basic demographics of the study population

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

 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

–

–