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本次调研样本覆盖一二三线城市,借助数字100在线样本库Assuredsample,针对空气净化器的现有用户及潜在购买消费者,共回收有效样本1410份。其中女性受访者占57%,男性占43%,79.2%的受访者月收入3000元以上,其中受访者年龄20以下的占1.1%,在20-29岁的人占35.6%,30-39岁的人占35.1%,40-49岁的人则占20.7%,50岁及以上的人占7.5%。另外,一线城市的受访者占32.6%,二线城市的受访者占39.2%,三线城市的受访者则占28.2%。所有有效问卷经过在线调查系统逻辑自动检查功能查错,误差率在5%以内。
The survey sample covers tier-one and tier-three cities, with the help of the digital sample online Assuredsample, a total of 1,410 valid samples for existing users of air purifiers and potential purchasers. Of these, 57% were women and 43% are men, while those with 79.2% said they received more than 3,000 yuan a month, of whom 1.1% were under 20, 35.6% were 20-29, 35.1% of those aged 39, 20.7% of those 40-49, and 7.5% of those aged 50 and over. In addition, 32.6% of respondents in first-tier cities, 39.2% of respondents in second-tier cities and 28.2% of respondents in third-tier cities. All valid questionnaires were checked automatically by the online survey system logic and the error rate was within 5%.