The results manifested that the intensity of adverse occupational factors in drivers and busmen s work environment were higher than that in control group.

• 结果司售人员工作环境中的有害因素强度明显高于对照组室内工作环境,他们的自觉症状头痛头晕、睡眠障碍、记忆力减退、全身乏力症状的发生率显著高于对照组。