Table 5 Estimation of regression coefficients of model 2

Personality type → Mental disorders

0.523

0.219

0.250

0.017

Personality type → Problem-oriented

-1.048

0.238

-0.441

< 0.001

Problem-oriented → Mental disorders

− 0.184

0.088

-0.209

0.038

Personality type → Problem-oriented → Mental disorders

0.19

0.093

< 0.001

Personality type → Neuroticism

1.000

0.632

< 0.001

Personality type → Extraversion

-0.453

0.099

-0.460

< 0.001

Personality type → Openness

0.071

0.084

0.081

0.397

Personality type → Agreeableness

-0.283

0.089

-0.312

0.001

Personality type → Conscientiousness

-1.368

0.231

-0.986

< 0.001

Mental disorders → Personality disorder

1.000

0.978

< 0.001

Mental disorders → Severe personality disorders

0.855

0.078

0.757

< 0.001

Mental disorders → Clinical syndrome

0.875

0.080

0.756

< 0.001

Mental disorders → Severe clinical syndrome

1.259

0.095

0.830

< 0.001