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目的分析天津市城区居民使用电子烟的情况,为在中国开展电子烟使用情况的研究提供初步数据。方法于2013年11-12月,采用多阶段整群随机抽样方法,选取天津市城区1 977名非集体居住的15岁及以上常住居民为调查对象,进行电子烟使用情况个体调查,数据收集使用了惠普(HP)i PAQ212型手持设备。应用SPSS 16.0软件和χ2检验对数据进行统计学分析。结果有862名调查对象(43.6%)听说过电子烟,45名(2.3%)过去使用过电子烟,10名(0.5%)现在正在使用电子烟。男性和15~44岁年龄组听说过电子烟的水平高于女性和45岁及以上年龄组。使用过电子烟的人群在戒烟打算方面与从未使用过电子烟的人群相比,差异无统计学意义(P>0.05)。使用过电子烟的人群在过去12个月有戒烟尝试的比例(39.47%)明显高于从未使用过电子烟的人群(13.98%),差异有统计学意义(χ2=16.78,P<0.01)。结论大部分吸烟者对电子烟有一定的了解,但电子烟的使用率尚不高。应大力宣传电子烟的危害,避免其被广泛使用。
Objective To analyze the use of electronic cigarettes by residents in urban areas of Tianjin and provide preliminary data for the research on the use of electronic cigarettes in China. Methods From November to December in 2013, a multistage cluster random sampling method was used to select 1 977 non-collectively resided 15-year-olds and above residents in Tianjin urban area as the survey subjects, and conducted individual investigation on the use of electronic cigarettes. The data were collected and used Hewlett-Packard i PAQ212 handheld device. Data were analyzed statistically using SPSS 16.0 software and χ 2 test. As a result, 862 respondents (43.6%) heard of e-cigarettes, 45 (2.3%) used e-cigarettes in the past, and 10 (0.5%) now use e-cigarettes. The level of e-cigarettes heard by men and ages 15-44 was higher than that of women and those aged 45 and over. There was no significant difference in the smoking cessation plans among those who used e-cigarettes compared with those who had never used e-cigarettes (P> 0.05). In the past 12 months, the proportion of people who used electronic cigarettes had smoking cessation attempts (39.47%) was significantly higher than that of those who had never used electronic cigarettes (13.98%) (χ2 = 16.78, P <0.01) . Conclusion Most smokers have a certain understanding of e-cigarettes, but the use of e-cigarettes is not yet high. The dangers of electronic cigarettes should be vigorously promoted to avoid their widespread use.