Table 2.
Prevalence of Sleep Impairment, by HD Status
| Full Sample (N = 20,473) | HD (n = 1258) | Subclinical HD (n = 1219) | No HD (n = 17,996) | p | |
|---|---|---|---|---|---|
| Poor Sleep Quality (Subjective) | 4290 (21.0) | 491 (39.0)a | 387 (31.8)a | 3412 (19.0) | <.0001 |
| Increased Sleep Latency | 4617 (22.6) | 458 (36.4)a | 364 (29.9)a | 3795 (21.1) | <.0001 |
| Decreased Sleep Duration | 2287 (11.2) | 275 (21.9)a | 218 (17.9)a | 1794 (10.0) | <.0001 |
| Impaired Sleep Efficiency | 3454 (16.9) | 369 (29.3)a | 288 (23.6)a | 2797 (15.5) | <.0001 |
| Increased Sleep Disturbances | 5943 (29.0) | 648 (51.5)a,b | 514 (42.2)a | 4781 (26.6) | <.0001 |
| Increased Use of Sleep Medication | 5202 (25.4) | 406 (32.3)a,b | 351 (28.8) | 4445 (24.7) | <.0001 |
| Increased Daytime Dysfunction | 2774 (13.6) | 619 (49.2)a,b | 368 (30.2)a | 1787 (9.9) | <.0001 |
| “Poor” Sleep (PSQI Total Score >13) | 845 (4.1) | 169 (13.4)a,b | 98 (8.0)a | 578 (3.2) | <.0001 |
Values are n (%).
HD, hoarding disorder; PSQI, Pittsburgh Sleep Quality Index.
a
Significantly different from individuals with no HD (p < .0001).
b
Significantly different from individuals with subclinical HD (p < .0001).