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本文用逐步回归法对影响人体血中COHb水平的20个因素进行筛选,当F=3.02时,交通警察、吸烟年限、CO日平均接触浓度、中小学教师、机关干部、年龄、旅馆和浴池服务员及大学生8个因素有统计显著性,其中有5种职业,其余均无统计显著性,提醒有关部门要注意这5种职业,同时大力提倡戒烟,尽可能地降低环境中CO浓度,以提高人群的健康水平。
In this paper, stepwise regression was used to screen 20 factors affecting the level of COHb in human blood. When F = 3.02, traffic police, smoking duration, average daily exposure to CO, primary and secondary school teachers, cadres, age, hotel and bath attendant And college students eight factors were statistically significant, of which there are five kinds of occupations, the rest were not statistically significant, to remind the relevant departments should pay attention to these five occupations, and strongly promote smoking cessation, as far as possible to reduce the concentration of CO in the environment to enhance the population The health level.