Table 4.
Correlation between Korean Occupational Stress Scale (KOSS) score and sleep quality
| |
Sleep quality |
|
|
|---|---|---|---|
| Categories in the KOSS |
Good |
Poor |
p-value* |
| n (%) | n (%) | ||
| Job demand |
|
|
|
| Low |
280 (54.9) |
230 (45.1) |
0.001 |
| High |
57 (38.8) |
90 (61.2) |
|
| Insufficient job control |
|
|
|
| Low |
240 (56.2) |
187 (43.8) |
0.001 |
| High |
97 (42.2) |
133 (57.8) |
|
| Interpersonal conflict |
|
|
|
| Low |
274 (52.4) |
249 (47.6) |
0.267 |
| High |
63 (47.0) |
71 (53.0) |
|
| Job insecurity |
|
|
|
| Low |
327 (52.2) |
299 (47.8) |
0.030 |
| High |
10 (32.3) |
21 (67.7) |
|
| Organizational system |
|
|
|
| Low |
288 (55.3) |
233 (44.7) |
<0.001 |
| High |
49 (36.0) |
87 (66.2) |
|
| Lack of reward |
|
|
|
| Low |
224 (59.3) |
154 (40.7) |
<0.001 |
| High |
113 (40.5) |
166 (59.5) |
|
| Occupational climates |
|
|
|
| Low |
231(60.8) |
149(39.2) |
<0.001 |
| High |
106 (38.3) |
171(61.7) |
|
| Total |
|
|
|
| Low |
307 (54.6) |
255 (45.4) |
<0.001 |
| High | 30 (31.6) | 65 (68.4) | |
*Calculated using theχ2-test.