Table 1.
Sociodemographic distribution of all survey participants, the total Korean population, and of cases identified as insomnia, anxiety, and depression.
| Insomnia (n = 290) | P | Anxiety (n = 268) | P | Depression, (n = 116) | P | |
|---|---|---|---|---|---|---|
| Gender | <0.01 | <0.01 | <0.01 | |||
| Male (1,345) | 117 (8.7%) | 109 (8.1%) | 43 (3.2%) | |||
| Female (1,350) | 173 (12.8%) | 159 (11.8%) | 73 (5.4%) | |||
| Age | 0.53 | 0.71 | 0.75 | |||
| 19–29 (542) | 59 (10.9%) | 53 (9.8%) | 23 (4.2%) | |||
| 30–39 (604) | 53 (8.8%) | 51 (8.4%) | 32 (5.3%) | |||
| 40–49 (611) | 66 (10.8%) | 67 (11.0%) | 24 (3.9%) | |||
| 50–59 (529) | 63 (11.9%) | 53 (10.0%) | 22 (4.2%) | |||
| 60–69 (409) | 49 (12.0%) | 44 (10.8%) | 15 (3.7%) | |||
| Size of residential area | 0.95 | 0.71 | 0.76 | |||
| Large city (1,248) | 136 (10.9%) | 130 (10.4%) | 57 (4.6%) | |||
| Medium-to-small city (1,186) | 125 (10.5%) | 112 (9.4%) | 47 (4.0%) | |||
| Rural are (261) | 29 (11.1%) | 26 (10.0%) | 12 (4.6%) | |||
| Educational level* | <0.01 | 0.03 | 0.70 | |||
| Middle school or less (393) | 62 (15.8%) | 55 (14.0%) | 20 (5.1%) | |||
| High school (1,208) | 116 (9.6%) | 111 (9.2%) | 49 (4.1%) | |||
| College or more (1,068) | 109 (10.2%) | 100 (9.4%) | 47 (4.4%) | |||
| Type of job** | 0.58 | 0.57 | 0.32 | |||
| Shift work (145) | 18 (12.4%) | 17 (11.7%) | 9 (6.2%) | |||
| Regular work (2,157) | 224 (10.4%) | 209 (9.7%) | 87 (4.0%) |
Total subjects: 2,695; P, p-value;
*
non-responder: 26;
**
non-responder: 393.