Table 4.
Life Events Experienced Within the Six Months Preceding the Onset of Insomnia Symptoms and Syndrome
| Life Experience Survey (LES) | Good Sleepers1 (n = 275) | Incident Cases |
||||
|---|---|---|---|---|---|---|
| Insomnia Symptoms (n = 130) | Insomnia Syndrome (n = 32) | F | P | r | ||
| Number of events | 2.00a (2.33) | 2.46a,b (2.74) | 3.16b (3.14) | 3.67 | 0.03 | 0.13 |
| Number of negative events | 0.99a (1.53) | 1.45b (2.02) | 2.03b (2.56) | 6.34 | 0.00 | 0.17 |
| Number of positive events | 0.81 (1.29) | 0.83 (1.36) | 0.94 (1.39) | 0.13 | 0.88 | 0.02 |
| Event intensity (positive + negative) | 3.36a (4.30) | 4.32a,b (5.47) | 5.66b (5.56) | 4.20 | 0.02 | 0.14 |
1
For good sleepers, life events experienced within the 6 months preceding T3 are presented. r = Pearson correlations. Note: Means with different subscripts (a,b) are significantly different.