Table 6 Multiple stepwise linear regression model for overall HAIS score (n=679)

Constant

42.726

15.051

<0.001

37.152, 48.300

0.462

Medical insurance

1.517

0.084

2.952

0.003

0.508, 2.526

0.982

1.018

Sex

1.478

0.070

2.458

0.014

0.297, 2.658

0.980

1.021

Hospitalization

0.855

0.066

2.317

0.021

0.130, 1.580

0.986

1.014

DBAS

0.191

0.208

6.952

<0.001

0.137, 0.245

0.888

1.126

PSS

0.163

0.171

5.469

<0.001

0.104, 0.221

0.813

1.230

Age

-0.050

-0.077

-2.676

0.008

-0.087, -0.013

0.958

1.044

Length of sleep

-11.835

-0.485

-15.83

<0.001

-13.304, -10.367

0.851

1.176