A survey on sleep quality and personality of staffs suffering long-term chronic stress

Abstract

Objective To investigate the sleep quality and personality of staffs suffering long-term chronic stress. Methods A total of 100staffs working in a showcase unit in Shanghai for over 1year(with long-term chronic stress)were assessed with Pittsburgh sleep quality index(PSQI),Eysenck personality questionnaire(EPQ)and self-rating symptom scale(SCL-90).The sleep quality and mental health status were compared between staffs with different personalities. Results Totally 97valid questionnaires were collected and the valid response rate was 97%.(1)Under long-term chronic stress the mean score of PSQI was(2.76±1.85)for the 97staffs,and 18.6%(18/97)of them had sleeping disorders(PSQI ≥5).Staffs of different genders,ages,educational backgrounds and seniorities showed no significant difference in sleeping disorder incidence(P0.05).(2)The psychoticism and neuroticism scores of EPQ in the 97staffs were significantly lower than the norms,while their extraversion-introversion dimension of EPQ was significantly higher than the norms(P0.05).(3)The emotion stable staffs(66)had significantly lower PSQI and SCL-90scores compared with the intermediate staffs(31, P0.05);the extravert staffs(72)also had significantly lower PSQI and SCL-90scores compared with the intermediate staffs(25,P0.05).(4)Compared with the norms,the total scores and the scores of somatization,obsessive-compulsive, interpersonal relationship,depression,anxiety,hostility,phobic anxiety,and paranoid ideation of SCL-90were significantly lower in staffs under long-term chronic stress(P0.05).(5)It showed that the score of extraversion-introversion dimension of EPQ was negatively correlated with the scores of obsessive-compulsive,interpersonal relationship,depression, anxiety,phobic anxiety,paranoid ideation and psychoticism factors of SCL-90,while the neuroticism score of EPQ was positively correlated with all factors of SCL-90(P0.05).Conclusion The prevalence of sleep disorder of staffs under the long-term chronic stress is 18.6%in our study.The personality of staffs under the long-term chronic stress is extravert and emotionally stable.Staffs with extravert personality and stable type are less likely to have psychological and sleep quality problems.