Table 3.
Correlation of sleep quality with general and psychosocial factors
| |
Sleep quality |
|
|
|---|---|---|---|
| Variables |
Good |
Poor |
p-value* |
| n (%) | n (%) | ||
| Age (years) |
|
|
|
| ≤29 |
38 (48.1) |
41 (51.9) |
0.003 |
| 30 ~ 39 |
96 (43.4) |
125 (56.6) |
|
| 40 ~ 49 |
143 (54.8) |
118 (45.2) |
|
| ≥50 |
60 (62.5) |
36 (37.5) |
|
| Tenure (years) |
|
|
|
| <10 |
133 (47.5) |
147 (52.5) |
0.007 |
| 10 ~ 19 |
110 (48.7) |
116 (51.3) |
|
| ≥20 |
94 (62.3) |
57 (37.7) |
|
| Marital status |
|
|
|
| Unmarried |
66 (48.9) |
69 (51.1) |
0.531 |
| Married |
271 (51.9) |
251 (48.1) |
|
| Exercise |
|
|
|
| No |
168 (50.6) |
164 (51.3) |
0.720 |
| Yes |
169 (52.0) |
156 (48.0) |
|
| Alcohol intake |
|
|
|
| No |
148 (56.1) |
116 (43.9) |
0.045 |
| Yes |
189 (48.1) |
204 (51.9) |
|
| Smoking |
|
|
|
| No |
275 (53.2) |
242 (46.8) |
0.061 |
| Yes |
62 (44.3) |
78 (55.7) |
|
| BMI (kg/m2)† |
|
|
|
| <25 |
217 (51.7) |
203 (48.3) |
0.799 |
| ≥25 |
120 (50.6) |
117 (49.4) |
|
| Department |
|
|
|
| Administrative job |
97 (61.4) |
61 (38.6) |
0.004 |
| Non-Administrative job |
240 (48.1) |
259 (51.9) |
|
| Musculoskeletal symptoms |
|
|
|
| No |
259 (62.3) |
157 (37.7) |
<0.001 |
| Yes |
78 (32.4) |
163 (67.6) |
|
| Shift work |
|
|
|
| No |
88 (61.5) |
55 (38.5) |
0.006 |
| Yes |
249 (48.4) |
265 (51.6) |
|
| BDI-2‡ |
|
|
|
| Normal range |
319 (59.5) |
217 (40.5) |
<0.001 |
| Abnormal range |
18 (14.9) |
103 (85.1) |
|
| PWI-SF§ |
|
|
|
| Healthy group |
58 (85.3) |
10 (14.7) |
<0.001 |
| Latent stress group |
262 (15.9) |
220 (45.6) |
|
| Stress group | 17 (15.9) | 90 (84.1) | |
*Calculated using theχ2-test and linear-by-linear association.
‡Beck Depression Inventory-II.
†Body mass index.
§Psychosocial Well-Being Index-Short Form.