Table 4 Multiple stepwise regression analysis showing the variables independently associated with sleep quality
From: Relationships of coping styles and psychological distress among patients with insomnia disorder
|  | Standardized β | t | P |
|---|---|---|---|
Additional items of SCL-90 | 0.856 | 15.962 | <0.001 |
Negative coping style score | 0.113 | 2.099 | 0.039 |