Netterstrøm B, Juel K
Danish Institute for Clinical Epidemiology, Copenhagen.
Scand J Work Environ Health. 1988 Aug;14(4):231-8. doi: 10.5271/sjweh.1927.
From 1978 to 1985, 2,465 male bus drivers in the three major cities in Denmark were followed with regard to hospital admission due to myocardial infarction (MI) and death due to ischemic heart disease (IHD). In all 2,045 (83%) of these men responded in 1978 to a questionnaire on psychosocial well-being and work conditions. The respondents did not differ from the nonrespondents regarding hospital admissions and death in the follow-up period (1978-1984). Sixty-two cases of MI were registered among the 2,045 bus drivers in 1978-1984. On this basis relative risk for MI was calculated with a multiple regression model for independent variables regarding psychosocial well-being and work conditions. High work load (driving in heavy traffic) was significantly associated with the occurrence of MI. Of the psychosocial factors "no social contact with colleagues" and "increased work pace" were also significantly associated with the occurrence of MI. Smoking habits tended to be associated with the occurrence of MI, while stress symptoms and job dissatisfaction did not. The mental burden on bus drivers working in heavy traffic seems a possible explanation for the findings.
1978年至1985年期间，丹麦三大城市的2465名男性公交司机被跟踪观察因心肌梗死（MI）住院及因缺血性心脏病（IHD）死亡的情况。1978年，这些男性中有2045人（83%）回复了一份关于心理社会幸福感和工作条件的问卷。在随访期间（1978 - 1984年），回复者与未回复者在住院和死亡情况方面并无差异。1978年至1984年期间，在2045名公交司机中登记了62例心肌梗死病例。在此基础上，使用关于心理社会幸福感和工作条件的自变量多元回归模型计算心肌梗死的相对风险。高工作负荷（在交通拥堵情况下驾驶）与心肌梗死的发生显著相关。在心理社会因素方面，“与同事无社交接触”和“工作节奏加快”也与心肌梗死的发生显著相关。吸烟习惯倾向于与心肌梗死的发生有关，而压力症状和工作不满则不然。交通拥堵时工作的公交司机所承受的心理负担似乎可以解释这些发现。
