β-coefficient | Student’s t | p-value | 95% CI | |
Model 1# | 0.033 | 4.16 | 0.001 | 0.017–0.049 |
Model 2¶ | 0.028 | 0.46 | 0.004 | 0.009–0.047 |
Model 3+ | 0.026 | 3.26 | 0.002 | 0.010–0.042 |
Logistic regression models using apnoea–hypopnoea index as a dependent variable in model 1, oxygen desaturation index (ODI)3% in model 2 and ODI4% in model 3, and age, sex and body mass index as confounders. #: R2=0.29; ¶: R2=0.21; +: R2=0.22.