Table 6 Stepwise regression to analyses the association between severity of PTSS and predictors

Model 1

0.326

0.326

< 0.001*

CODI – Emotional Reaction

1.308

0.125

0.571

< 0.001*

(Constant)

− 0.934

1.845

0.613

Model 2

0.468

0.142

< 0.001*

CODI – Emotional Reaction

0.977

0.119

0.426

< 0.001*

PHQ-ADS

0.469

0.060

0.404

< 0.001*

(Constant)

-4.322

1.699

0.012*

Model 3

0.493

0.025

0.001*

CODI – Emotional Reaction

0.965

0.117

0.421

< 0.001*

PHQ-ADS

0.472

0.059

0.407

< 0.001*

SRGS

0.214

0.065

0.157

0.001*

(Constant)

-7.282

1.890

< 0.001*

Model 4

0.515

0.022

0.002*

CODI – Emotional Reaction

0.894

0.116

0.390

< 0.001*

PHQ-ADS

0.435

0.059

0.375

< 0.001*

SRGS

0.214

0.063

0.157

0.001*

VAS

− 0.074

0.023

− 0.157

0.002*

(Constant)

− 0.760

2.760

0.783