Accident score

Simple correlation

Multiple regression analysis

Characteristics

r

P value

β

P value

Age

−0.355

0.024

−0.329

0.479

BMI

0.266

0.073

0.278

0.281

ESS

0.514

0.0006

0.513

0.043

AHI

0.448

0.033

0.416

0.408

Minimum SpO2

−0.092

0.574

ODT

0.413

0.008

0.241

0.366

Sleep efficiency

0.094

0.566

%Stage 1

0.241

0.134

%Stage 2

0.015

0.926

%Stage 3 + 4

−0.200

0.218

%REM

0.008

0.963

Movement arousal index

0.563

<0.0001

0.563

0.017

EEG arousal index

0.519

0.0004

ESS score

Simple correlation

Multiple regression analysis

Characteristics

r

P value

β

P value

Age

−0.153

0.347

−0.145

0.870

BMI

−0.261

0.104

0.259

0.213

AHI

0.330

0.372

0.309

0.451

Minimum SpO2

−0.010

0.951

ODT

0.370

0.018

0.341

0.557

Sleep efficiency

0.074

0.652

%Stage 1

0.075

0.648

%Stage 2

0.010

0.952

%Stage 3 + 4

−0.260

0.106

%REM

0.157

0.337

Movement arousal index

0.417

0.006

0.417

0.022

EEG arousal index

0.337

0.031

0.337

0.096