Table 3 Univariate and Multivariate analysis relating factors with PTSD symptom according to job stress level

Personality traits (MMPI)

Hypo-chondriasis

1.451

0.787–2.675

2.494

0.734–8.408

1.414

0.606–3.298

0.951

0.398–2.276

7.422

0.931–59.165

0.904

0.250–3.272

Depression

1.652

0.887–3.077

0.635

0.207–1.946

2.082

0.856–5.063

1.926

0.804–4.610

0.421

0.073–2.446

3.952

0.987–15.974

Hysteria

1.455

0.791–2.677

2.100

0.660–6.683

1.273

0.546–2.967

1.680

0.751–3.805

1.098

0.189–6.384

2.250

0.630–8.035

Psychopathic deviant

0.793

0.433–1.453

0.635

0.207–1.946

0.632

0.267–1.496

0.747

0.370–1.511

0.331

0.070–1.565

0.623

0.208–1.866

Masculinity-femininity

2.234

1.194–4.180

5.111

1.341–19.485

1.468

0.624–3.454

1.820

0.924–3.584

5.304

1.191–23.624

1.667

0.569–4.883

Paranoia

1.546

0.826–2.896

0.987

0.327–2.975

1.522

0.626–3.699

1.755

0.836–3.685

0.654

0.145–2.938

1.648

0.455–5.976

Psychasthenia

1.021

0.557–1.870

0.551

0.173–1.755

0.780

0.324–1.875

0.617

0.275–1.381

0.249

0.046–1.337

0.190

0.042–0.855

Schizophrenia

1.061

0.580–1.941

0.667

0.218–2.043

1.145

0.491–2.672

0.634

0.263–1.532

1.266

0.239–6.690

0.794

0.184–3.429

Hypomania

0.997

0.545–1.824

0.719

0.239–2.169

1.490

0.637–3.458

1.270

0.643–2.505

0.573

0.129–2.552

2.700

0.951–7.667

Social introversion

1.888

1.018–3.504

0.579

0.182–1.843

2.571

1.060–6.238

1.737

0.813–3.713

0.453

0.091–2.261

3.727

1.096–12.673

Job duration

1.055

1.009–1.103

1.085

0.999–1.178

1.049

0.983–1.118

1.064

1.012–1.118

1.126

1.003–1.265

1.042

0.961–1.130