Table. 1.

Difference in Quality of Sleep according to General Characteristics, Health Promotion Behavior, and Occupational Stress (N=128)


Characteristics Categories n (%) or M±SD Quality of sleep

M±SD t or F or r p
Total 7.3±3.25
Gender Male 61 (47.7) 6.3±2.93 -3.16 0.002
Female 67 (52.3) 8.1±3.33
Age (year) 20~29 41 (32.0) 7.9±3.00 1.47 0.227
30~39 43 (33.6) 7.1±3.45
40~49 31 (24.2) 6.4±3.08
50~59 13 (10.2) 8.0±3.58
Marriage Yes 66 (51.6) 6.3±3.10 3.68 <.001
No 62 (48.4) 8.2±3.05
Child Yes 56 (43.8) 6.6±3.15 -2.1 0.038
No 72 (56.3) 7.8±3.26
Child's age (year) ≤7 23 (18.0) 6.6±2.92 2.09 0.115
8~13 10 (7.8) 5.1±2.96
14~19 6 (4.7) 8.2±3.13
≥20 12 (9.4) 8.0±3.33
Career (year) ≤1 18 (14.1) 7.7±3.24 0.88 0.453
1~5 54 (42.2) 7.4±3.48
5~10 26 (20.3) 7.7±2.89
≥10 30 (23.4) 6.5±3.15
Body mass index (kg/m2) Underweight (<18.5) 10 (7.8) 7.3±3.65 1.87 0.138
Normal (18.5~22.9) 67 (52.3) 7.7±3.22
Overweight (23~24.9) 14 (10.9) 5.5±2.31
Obese (≥25) 37 (28.9) 7.1±3.39
Drinking No 23 (18.0) 6.7±2.55 0.78 0.509
Sometimes 34 (26.6) 7.4±3.53
Often 60 (46.9) 7.2±3.38
Everyday 11 (8.6) 8.5±3.08
Smoking No 89 (69.5) 7.3±3.18 0.13 0.94
Sometimes 13 (10.2) 7.4±3.48
Often 18 (14.1) 7.1±3.76
Everyday 8 (6.3) 6.6±3.07
Occupational stress Total 48.4±11.05 4.69 <.001
Low (Q1) 46 (35.9) 6.4±3.13a 3.79 0.012
Middle (Q2) 36 (28.1) 6.8±2.59b (a<d)
High (Q3) 17 (13.3) 8.1±3.66c
Very high (Q4) 29 (22.7) 8.7±3.50d
Health promotion behavior 138.1±16.66 -0.36 <.001
Korean J Occup Health Nurs 2020;29:306~315 https://doi.org/10.5807/kjohn.2020.29.4.306
© Korean J Occup Health Nurs