TABLE 2.
The percentage distribution of the specific insomnia subtypes within selected demographic parameters (n = 64 503).
| SOL- | WASO- | EMA- | SOL + | SOL + | WASO + | SOL + WASO + | Chi-square | p-valueb | |
| insomnia | insomnia | insomnia | WASO-insomnia | EMA-insomnia | EMA-insomnia | EMA-insomnia | (df)a | ||
| % (n) | 28.2 (18207) | 3.0 (1944) | 4.6 (2998) | 12.1 (7834) | 9.4 (6044) | 9.9 (6387) | 32.7 (21 065) | ||
| Sex | |||||||||
| Male | 30.4% | 2.8% | 5.6% | 11.1% | 8.7% | 10.5% | 30.9% | 232.2 (6) | <0.0005 |
| Female | 27.1% | 3.2% | 4.1% | 12.7% | 9.7% | 9.6% | 33.6% | ||
| Age | |||||||||
| 15–25 years | 47.1% | 1.4% | 2.4% | 14.1% | 12.1% | 1.8% | 21.1% | 11102.4 (30) | <0.0005 |
| 26–35 years | 37.2% | 2.9% | 4.2% | 13.6% | 10.5% | 5.2% | 26.4% | ||
| 36–45 years | 21.6% | 3.9% | 6.2% | 11.8% | 8.9% | 12.4% | 35.1% | ||
| 46–55 years | 11.7% | 4.2% | 6.4% | 9.8% | 7.2% | 18.9% | 41.8% | ||
| 56–65 years | 9.2% | 3.6% | 5.5% | 10.0% | 6.2% | 18.7% | 46.9% | ||
| >65 years | 6.6% | 3.2% | 3.9% | 8.5% | 4.8% | 16.4% | 56.5% | ||
| Level of education | |||||||||
| Primary school | 29.1% | 1.9% | 3.5% | 13.1% | 10.7% | 5.5% | 36.2% | 758.0 (12) | <0.0005 |
| Secondary school or vocational school | 28.3% | 2.5% | 4.2% | 12.0% | 10.0% | 8.2% | 34.7% | ||
| University or college | 28.0% | 3.7% | 5.3% | 12.1% | 8.5% | 12.4% | 30.1% | ||
| Marital status | |||||||||
| Married, cohabitant | 22.3% | 3.7% | 5.7% | 11.5% | 8.3% | 13.3% | 35.2% | 4008.4 (12) | <0.0005 |
| Single | 39.4% | 2.0% | 3.1% | 13.5% | 11.0% | 4.1% | 26.9% | ||
| Divorced, separated, widow/widower | 16.9% | 3.3% | 4.3% | 10.4% | 8.8% | 13.5% | 42.8% | ||
| Circadian rhythm | |||||||||
| Definitely a morning type | 5.8% | 3.9% | 10.1% | 4.7% | 7.8% | 26.9% | 40.9% | 10314.7 (24) | <0.0005 |
| More morning type than evening type | 2.7% | 4.3% | 7.6% | 8.8% | 9.0% | 18.1% | 39.5% | ||
| Neither morning nor evening type | 20.5% | 3.4% | 4.9% | 11.5% | 9.5% | 10.5% | 39.7% | ||
| More evening type than morning type | 32.3% | 2.8% | 3.6% | 13.7% | 10.6% | 6.3% | 30.6% | ||
| Definitely an evening type | 46.8% | 2.0% | 2.0% | 15.6% | 8.6% | 2.7% | 22.3% |
SOL-insomnia = Sleep onset latency insomnia, WASO-insomnia = Wake after sleep onset insomnia, EMA-insomnia = Early morning awakening insomnia. Percentages adding up to 100% in each row. aDegrees of freedom, bPearson Chi-square.