Table 3:
Cross-sectional associations of poor sleep quality (PSQI score >5) with (domains of) individual strength.
| Linear regression analyses with poor sleep quality as independent variable | |||
|---|---|---|---|
| Dependent variable | N | St.β (95% CI) | P |
| Individual strength | |||
| Fatigue severity | |||
| Crude | 863 | 0.69 (0.56 to 0.82) | <.001 |
| Model 1 | 688 | 0.58 (0.43 to 0.72) | <.001 |
| Model 2 | 680 | 0.37 (0.24 to 0.51) | <.001 |
| Concentration | |||
| Crude | 863 | 0.54 (0.41 to 0.68) | <.001 |
| Model 1 | 688 | 0.54 (0.38 to 0.69) | <.001 |
| Model 2 | 680 | 0.29 (0.14 to 0.43) | <.001 |
| Motivation | |||
| Crude | 863 | 0.48 (0.35 to 0.62) | <.001 |
| Model 1 | 688 | 0.38 (0.24 to 0.53) | <.001 |
| Model 2 | 680 | 0.16 (0.02 to 0.30) | .03 |
| Physical activity | |||
| Crude | 863 | 0.45 (0.32 to 0.58) | <.001 |
| Model 1 | 688 | 0.33 (0.19 to 0.48) | <.001 |
| Model 2 | 680 | 0.17 (0.03 to 0.32) | .02 |
| Total score | |||
| Crude | 863 | 0.70 (0.57 to 0.83) | <.001 |
| Model 1 | 688 | 0.59 (0.45 to 0.74) | <.001 |
| Model 2 | 680 | 0.34 (0.21 to 0.47) | <.001 |
Model 1: adjusted for sex, age, log2 time after transplantation, protein intake, physically inactive lifestyle, eGFR, magnesium, calcineurin inhibitor use and benzodiazepine use. Model 2: Model 1 additionally adjusted for anxiety total score.