Table 3.
PSQI components and association with medication nonadherence (n = 279).a
| PSQI Subscale | ORb | 95% CI | p-Value | |
|---|---|---|---|---|
| Global PSQI score | 1.09 | 1.01 | 1.17 | 0.027 |
| PSQI subscales | ||||
| Subjective sleep quality | 1.29 | 0.91 | 1.83 | 0.148 |
| Sleep latency | 1.02 | 0.78 | 1.35 | 0.862 |
| Sleep duration | 1.17 | 0.89 | 1.54 | 0.265 |
| Habitual sleep efficiency | 1.26 | 0.97 | 1.63 | 0.085 |
| Sleep disturbances | 2.04 | 1.27 | 3.30 | 0.003 |
| Use of sleep medication | 1.05 | 0.82 | 1.34 | 0.713 |
| Daytime dysfunction | 2.05 | 1.31 | 3.22 | 0.002 |
CI: confidence interval; OR: odds ratio; PSQI: Pittsburgh Sleep Quality Index.
a
Two patients excluded from model for missing income data.
b
Adjusted for age, sex, race, income, BMI, depression, and life chaos.