مقایسه فاکتورهای خطر بیماری ایسکمیک قلبی در کارگران «شیفت‌کار» صنایع خودروسازی در ایران

  Aim: The aim of this research was comparison of IHD’S risk factors between shift workers in automobile industries in Iran.   Materials & Methods : Knowledge of IHD risk factors and demographic data have gathered by using hygienistic files of workers, data had been analyzed with SPSS 11.5 and significance’s level (p value) was less than 0.05.   Results: The mean of HDL cholesterol in one-shift workers was 47.63mg/dl, in two-shift rotation workers was 40.69 mg/dl and in three – shift rotation workers was 37.26mg/dl with p=0.000. Also frequency of workers with HDL cholesterol less than 45mg/dl in one-shift workers were 63 persons, in two – shift rotation were 128 persons and in three – shift rotation workers were 154 persons, with p<0.005.   Conclusion: There is relationship between the mean of HDL cholesterol, frequency of workers with HDL cholesterol less than 45mg/dL and work in two and three shift rotation. Since the low HDL levels are risk factors of ischemic heart disease, improvement of shift work is necessary.