The Journal of

Introduction: One of the major problems in industrialized societies is occupational stress. This problem is associated with an increase in various diseases and drivers have a lot of exposure to this factor. According to the harmful effects of stress and drivers exposure with this agent, the aim of study was to review relationship of job stress and disease history of shift and non- shift work agency drivers of urban Yazd city.

Methods: This research is a case - control study that is done in agency drivers of Yazd city. For this purpose, 142 shiftwork drivers and 125 non-shiftwork with random-quota sampling method were selected. In order to collect of research data was used from a two-part questionnaire. The first part is demographic and the second part is measuring job stress with Philip L. Rice questionnaire. Finally, the results were analyzed by spss software.

Results: Analyses of the data showed that mean stress score of shift workers is higher than non-shift workers. In addition, the mean stress score based on the type of disease was showed that apart from the lack of sleep, in other diseases, there was no statistically significant difference. However, drivers with disease history had the higher mean stress score.

Conclusion: High stress levels of drivers indicate the need to implement a comprehensive program of stress management in organizations. Therefore, should be further studies in this field.