Student group

Not student group

p-value

N

120

517

Age (years) †

22.0 (20.0 - 23.0)

27.0 (25.0 - 28.0)

<0.001 §

Sex ‡

Male

74 (61.7)

242 (46.8)

Female

46 (38.3)

275 (53.2)

0.004 ¶

Occupation ‡

Full-time employee

0 (0)

279 (54.0)

Part time employee

0 (0)

85 (16.4)

Self-employed

0 (0)

23 (4.4)

Homemaker

0 (0)

73 (14.1)

Student

120 (100)

0 (0.0)

Unemployed

0 (0)

57 (11.0)

<0.001 ¶

Marriage status ‡

Married

2 (1.7)

152 (29.4)

Unmarried

110 (91.7)

317 (61.3)

Divorced or widowed

8 (6.7)

48 (9.3)

<0.001 ¶

Days of exercise per week (days) †

1.0 (1.0 - 2.0)

0.0 (0.0 - 2.0)

0.243 §

Current drinking ‡

Yes

57 (47.5)

233 (45.1)

No

63 (52.5)

284 (54.9)

0.684 ¶

Current smoking ‡

Yes

12 (10.0)

67 (13.0)

No

108 (90.0)

450 (87.0)

0.444 ¶

Sleep duration (hours) †

7.0 (6.0 - 8.0)

6.8 (6.0 - 7.1)

0.016 §

PSQI-J score†

4.0 (3.0 - 7.0)

5.0 (3.0 - 7.0)

0.261 §