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首页> 外文期刊>Public health reports >Evaluation of the immediate impact of the Washington, D.C., smoke-free indoor air policy on bar employee environmental tobacco smoke exposure.
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Evaluation of the immediate impact of the Washington, D.C., smoke-free indoor air policy on bar employee environmental tobacco smoke exposure.

机译：评估华盛顿特区无烟室内空气政策对酒吧员工环境烟草烟雾暴露的直接影响。

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OBJECTIVE: On January 2, 2007, thw Washington, D. C., City Council banned smoking in restaurants and bars. We sought to determine the immediate impact of the ban on cotinine-confirmed environmental tobacco smoke (ETS) levels and respiratory symptom reports of a random sample of bar employees. METHODS: We conducted an assessment of 66 employees from 41 randomly selected bars in December 2006, a month before the ban went into effect. After analyses of baseline data, 52 employees were eligible and 49 of them (94%) had a post-ban assessment in February 2007. Three participants were excluded due to high cotinine levels at the post-ban assessment, yielding a final sample size of 46 bar employees. ETS exposure levels were documented using saliva cotinine analyses by tandem liquid chromatography and mass spectrometry. Employee respiratory and sensory symptoms reports were assessed by a standardized, validated form: the International Union Against Tuberculosis and Lung Disease Bronchial Symptoms Questionnaire. Employee ETS exposure reports at work were eliminated after the ban. RESULTS: Sensory symptoms reports (at < or = 4 weeks) declined significantly by 70% to 100% (p = 0.0016); respiratory symptoms results were inconclusive due to a lack of data. Saliva cotinine medians declined significantly by 70% (p < 0.0001), from a pre-ban mean of 2.11 nanograms per millileter (ng/mL) to a post-ban mean of 0.29 ng/mL, confirming reports of no ETS exposure at work. CONCLUSION: We concluded that the indoor air law was effective, eliminating employee ETS exposure reports, dramatically reducing their cotinine levels, and almost eliminating reports of sensory symptoms.
机译：目标：2007年1月2日，华盛顿特区市议会禁止在餐馆和酒吧吸烟。我们试图确定禁令对可替宁确认的环境烟草烟雾（ETS）水平的即时影响以及酒吧员工的随机样本的呼吸道症状报告。方法：在禁令生效前一个月，我们于2006年12月对41个随机选择的酒吧中的66名员工进行了评估。在对基准数据进行分析之后，有52名员工符合条件，其中49名（94％）在2007年2月进行了禁令评估。由于禁令评估中可替宁水平高，三名参与者被排除在外，最终样本量为46名酒吧员工。通过串联液相色谱和质谱法使用唾液可替宁分析记录ETS暴露水平。员工的呼吸和感官症状报告均通过标准化且经过验证的表格进行了评估：国际抗结核和肺疾病支气管症状问卷调查表。禁令后取消了员工在工作中的ETS暴露报告。结果：感觉症状报告（<或= 4周）显着下降了70％至100％（p = 0.0016）;由于缺乏数据，呼吸道症状结果尚无定论。唾液中可替宁的中位数从禁令前的平均2.11毫微克/毫克（ng / mL）降至禁令后的平均0.29 ng / mL，显着下降了70％（p <0.0001），证实了工作中无ETS暴露的报告。结论：我们得出的结论是，室内空气法是有效的，消除了雇员排放ETS的报告，大大降低了他们的可替宁水平，几乎消除了感觉症状的报告。

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