Abstract:

 To investigate the incidence and influencing factors of PTSD in firefighters and provide basis for early detection of psychological problems and psychological intervention, in this study, 3 624 firefighters in Shanghai were followed up with PCL-5, social psychology questionnaire and demographic data. The results showed that：the total incidence of PTSD symptoms was 2.90%；There were significant differences in PCL-5 scores of firefighters in job category, age, working hours, education level and annual number of rescues（p<0.001）；Hierarchical regression analysis showed that, resilience, general self- efficacy, professional identity, friend support and collective self- esteem were protective factors, neuroticism and open personality and negative coping style were risk factors（p<0.01）. The individual susceptibility factors and social psychological factors of firefighters can affect the occurrence of PTSD, mental health education and psychological training should be carried out in daily combat readiness training.   

Key words: fire fighters, PTSD, influencing factor, hierarchical regression analysis