Table 6 Details of the multiple linear regression with STAIS-5 and STAIT-5 scores

STAIS-5 score

Gender

2.13

0.52

0.26

4.13

 < 0.001

Age

 − 1.21

0.47

 − 0.15

 − 2.59

0.010

Marital status

1.16

0.55

0.12

2.10

0.036

Employment status

0.34

0.50

0.04

0.68

0.498

Timing of the scheduled surgery

 − 1.29

0.54

 − 0.14

 − 2.41

0.017

STAIT-5 score

Gender

2.01

0.44

0.26

4.57

 < 0.001

Type of anesthesia to be used in the scheduled surgery

 − 1.01

0.62

 − 0.09

 − 1.63

0.105