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Parent-Reported Prevalence of Insomnia Symptoms
| sample | total sample: n = 4474 | longitudinal sample: n = 832 |
||
|---|---|---|---|---|
| Sleep onset problems | t1 | t1 | t2 | t3 |
| often | 6.1 (271) | 5.9 (49) | 4.4 (37) | 4.4 (37) |
| sometimes | 22.4 (1000) | 25.1 (209) | 30.4 (253) | 28.1 (234) |
| no | 71.6 (3203) | 69.0 (574) | 65.1 (542) | 67.4 (561) |
| Difficulties maintaining sleep | t1 | t1 | t2 | t3 |
| often | 2.6 (117) | 1.8 (15) | 2.0 (17) | 1.4 (12) |
| sometimes | 10.8 (485) | 11.3 (94) | 11.9 (99) | 10.8 (90) |
| no | 86.5 (3872) | 86.9 (723) | 86.1 (716) | 87.7 (730) |
