Table 2.
Prevalence of sleep dysfunction by subject characteristics.
| Characteristics | n | No. Sleep Dysfunction | Prevalence | χ2 | p-Value |
|---|---|---|---|---|---|
| Age | |||||
| <30 | 178 | 39 | 21.9% | 11.979 | 0.007 |
| 30–40 | 218 | 36 | 16.5% | ||
| 40–50 | 196 | 52 | 26.5% | ||
| >50 | 101 | 33 | 32.7% | ||
| Sex | |||||
| Male | 366 | 71 | 19.4% | 5.945 | 0.019 |
| Female | 327 | 89 | 27.2% | ||
| Education level | |||||
| Junior college | 206 | 59 | 28.6% | 5.097 | 0.078 |
| Bachelor | 360 | 75 | 20.8% | ||
| Graduate & above | 127 | 26 | 20.5% | ||
| Job tenure (years) | |||||
| <10 | 279 | 54 | 19.4% | 7.112 | 0.029 |
| 10–20 | 151 | 31 | 20.5% | ||
| >20 | 263 | 75 | 28.5% | ||
| Marital status | |||||
| Not married | 123 | 29 | 23.6% | 0.836 | 0.658 |
| Married | 532 | 120 | 22.6% | ||
| Divorced/Widowed | 38 | 11 | 28.9% | ||
| Alcohol consumption | |||||
| Yes | 371 | 86 | 23.2% | 0.004 | 1.000 |
| No | 322 | 74 | 23.0% | ||
| Smoking | |||||
| Yes | 272 | 79 | 29.0% | 8.945 | 0.003 |
| No | 421 | 81 | 19.2% |