title: [The relationship between occupational stress and cardiovascular disease risk factor].
abstract: OBJECTIVE
  To explore the relationship between the occupational stress and cardiovascular disease risk factors.
  
  
  METHODS
  The subject was 93 male freight train dispatchers, the occupational stressors, personalities, and occupational strain response were measured by using questionnaires. Blood pressure, heart rate, the concentrations of the cholesterol, triglyceride, and glycosylated hemoglobin in blood serum were also measured.
  
  
  RESULTS
  Social support score were significantly positively related to systolic pressure (r = 0.22) and diastolic pressure (r = 0.30) (P < 0.05), while job satisfaction negatively related to them and concentration of triglyceride (r = -0.37, -0.47 and -0.28 respectively, P < 0.05, P < 0.01), and self-esteem negatively to systolic pressure (r = -0.21, P < 0.05). The differences in diastolic pressure [(78.5 +/- 13.1), (83.6 +/- 8.2), (88.1 +/- 12.3), (85.8 +/- 9.8) mm Hg, P < 0.05] among groups of social support score, body mass index (BMI) (P < 0.01) among groups of job difficulty the differences in systolic pressure [(124.9 +/- 14.4), (129.7 +/- 13.1), (118.4 +/- 16.4), (133.5 +/- 23.1) mm Hg] and diastolic pressure [(85.5 +/- 11.3), (87.0 +/- 9.8), (80.1 +/- 10.1), (88.9 +/- 12.0) mm Hg] and cholesterol level in serum [(4.96 +/- 1.18), (5.39 +/- 0.85), (5.00 +/- 1.15), (4.34 +/- 0.91) mmol/L] among groups of vulnerability to stress (P < 0.05), as well as the difference in systolic pressure and glycosylated hemoglobin level in serum among groups of competition score (P < 0.05) were all statistically significant. Stepwise regression analysis showed that job time demands and negative coping affected the change of cholesterol (R(2) > 0.05); the job relation decision latitude, social support, job difficulty, personality (self-esteem and anxiety trait) and negative coping were the predictors of smoking (R(2) > 0.05). Heart rate was related to home income and competition factor of Type A Behavior (R(2) = 0.06).
  
  
  CONCLUSIONS
  The psychosocial stress aspects of work may be related to some cardiovascular risk factors.
authors.affiliation: Henan Institute of Occupational Medicine, Zhengzhou 450052, China.
authors.forename: Shan-fa
authors.initials: SF
authors.lastname: Yu
authors.forename: Kui-rong
authors.initials: KR
authors.lastname: Li
authors.forename: Yan
authors.initials: Y
authors.lastname: Yang
authors.forename: Gui-zhen
authors.initials: GZ
authors.lastname: Gu
authors.forename: Liang-qing
authors.initials: LQ
authors.lastname: Ma
authors.forename: Xiao-yan
authors.initials: XY
authors.lastname: Duan
mesh_terms: D001794:Blood Pressure; D002318:Cardiovascular Diseases / Q000209:etiology*; D002784:Cholesterol / Q000097:blood; D006801:Humans; D009784:Occupational Diseases / Q000150:complications*; D012044:Regression Analysis; D012307:Risk Factors; D013315:Stress, Psychological / Q000150:complications*
chemical_list: D002784:Cholesterol