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Linear regression modeling
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|---|
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Model 1a
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Model 2b
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|---|
|
Risk factor
|
Beta
|
95% CI
|
p-value
|
Partial R2
|
Total R2
|
Beta
|
95% CI
|
p-value
|
Partial R2
|
Total R2
|
|---|
|
Short Form (SF)-12 Physical Component Scale
|
|
ESS
|
−3.33
|
−3.99;−2.68
|
<0.01
|
0.06
|
0.09
|
−0.50
|
−1.11;0.12
|
0.11
|
<0.01
|
0.33
|
|
FSS
|
−7.56
|
−8.13;−7.00
|
<0.01
|
0.31
|
0.33
|
−7.37
|
−7.98;−6.76
|
<0.01
|
0.26
|
|
AHI
|
−0.11
|
−0.86;0.64
|
0.77
|
<0.01
|
0.04
|
0.08
|
−0.55;0.71
|
0.81
|
<0.01
|
|
AQ-20R Respiratory-Specific Health-Related Quality of Life
|
|
ESS
|
1.62
|
1.39;1.86
|
<0.01
|
0.10
|
0.12
|
0.78
|
0.54;1.02
|
<0.01
|
0.03
|
0.27
|
|
FSS
|
2.48
|
2.26;2.70
|
<0.01
|
0.24
|
0.25
|
2.18
|
1.94;2.41
|
<0.01
|
0.17
|
|
AHI
|
0.17
|
−0.11;−0.45
|
0.23
|
<0.01
|
0.02
|
0.04
|
−0.20;0.29
|
0.73
|
<0.01
|
- All regression beta values are scaled standardized units of the independent predictors. Higher SF-12 equates with better Health-Related Quality of Life; higher AQ-20R with poorer health-related quality of life
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Abbreviations: AHI apnea-hypopnea index, BMI Body Mass Index, CI confidence intervals, ESS Epworth Sleepiness Scale, FSS Fatigue Severity Scale
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aModel 1 also includes age, sex, marital status and BMI
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bModel 2 includes ESS, FSS, AHI altogether in the same multivariate model, along with age, sex, marital status and BMI
