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首页> 外文期刊>Journal of medical Internet research >Influence of Climate on Google Internet Searches for Pruritus Across 16 German Cities: Retrospective Analysis
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Influence of Climate on Google Internet Searches for Pruritus Across 16 German Cities: Retrospective Analysis

机译：气候变化对德国16个城市中瘙痒症Google Internet搜索的影响：回顾性分析

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Background The burden of pruritus is high, especially among patients with dermatologic diseases. Identifying trends in pruritus burden and people’s medical needs is challenging, since not all affected people consult a physician. Objective The purpose of this study was to investigate pruritus search behavior trends in Germany and identify associations with weather factors. Methods Google AdWords Keyword Planner was used to quantify pruritus-related search queries in 16 German cities from August 2014 to July 2018. All identified keywords were qualitatively categorized and pruritus-related terms were descriptively analyzed. The number of search queries per 100,000 inhabitants of each city was compared to environmental factors such as temperature, humidity, particulate matter 10 micrometers or less in diameter (PM10), and sunshine duration to investigate potential correlations. Results We included 1150 pruritus-related keywords, which resulted in 2,851,290 queries. “Pruritus” (n=115,680) and “anal pruritus” (n=102,390) were the most-searched-for keywords. Nearly half of all queries were related to the category localization , with Berlin and Munich having a comparatively high proportion of people that searched for pruritus in the genital and anal areas. People searched more frequently for information on chronic compared to acute pruritus. The most populated cities had the lowest number of queries per 100,000 inhabitants (Berlin, n=13,641; Hamburg, n=18,303; and Munich, n=21,363), while smaller cities (Kiel, n=35,027; and Freiburg, n=39,501) had the highest. Temperature had a greater effect on search query number (beta -7.94, 95% CI -10.74 to -5.15) than did PM10 (beta -5.13, 95% CI -7.04 to -3.22), humidity (beta 4.73, 95% CI 2.70 to 6.75), or sunshine duration (beta 0.66, 95% CI 0.36 to 0.97). The highest relative number of search queries occurred during the winter (ie, December to February). Conclusions By taking into account the study results, Google data analysis helps to examine people’s search frequency, behavior, and interest across cities and regions. The results indicated a general increase in search queries during the winter as well as differences across cities located in the same region; for example, there was a decline in search volume in Saarbrucken, while there were increases in Cologne, Frankfurt, and Dortmund. In addition, the detected correlation between search volume and weather data seems to be valuable in predicting an increase in pruritus burden, since a significant association with rising humidity and sunshine duration, as well as declining temperature and PM10, was found. Accordingly, this is an unconventional and inexpensive method to identify search behavior trends and respective inhabitants’ needs.
机译：背景瘙痒的负担很高，尤其是在皮肤病患者中。由于并非所有受影响的人都向医生咨询，因此要确定瘙痒负担和人们的医疗需求趋势具有挑战性。目的本研究的目的是调查德国的瘙痒搜索行为趋势，并确定与天气因素的关系。方法使用Google AdWords关键字规划师对2014年8月至2018年7月在德国16个城市中与瘙痒相关的搜索查询进行量化。对所有识别出的关键字进行定性分类，并描述性地分析与瘙痒相关的术语。将每个城市每100,000居民的搜索查询次数与温度，湿度，直径10微米或更小的颗粒物（PM10）和日照持续时间等环境因素进行比较，以研究潜在的相关性。结果我们纳入了1150个与瘙痒相关的关键字，产生了2,851,290个查询。 “ Pruritus”（n = 115,680）和“肛门瘙痒”（n = 102,390）是搜索最多的关键字。在所有查询中，几乎有一半与类别本地化有关，其中柏林和慕尼黑在生殖器和肛门区域搜寻瘙痒的比例相对较高。与急性瘙痒症相比，人们搜索慢性病信息的频率更高。人口最多的城市每10万居民的查询数量最少（柏林，n = 13,641;汉堡，n = 18,303;慕尼黑，n = 21,363），而较小的城市（基尔，n = 35,027;弗莱堡，n = 39,501） ）最高。温度对搜索查询数量（β-7.94，95％CI -10.74至-5.15）的影响大于PM10（β-5.13，95％CI -7.04至-3.22），湿度（β4.73，95％CI 2.70）到6.75）或日照时间（β为0.66，95％CI为0.36至0.97）。搜索查询的相对数量最高，发生在冬季（即12月至2月）。结论通过考虑研究结果，Google数据分析有助于检查人们在城市和地区之间的搜索频率，行为和兴趣。结果表明，冬季的搜索查询量普遍增加，并且位于同一地区的不同城市之间的差异也很大;例如，萨尔布吕肯（Saarbrucken）的搜索量下降了，而科隆，法兰克福（Frankfurt）和多特蒙德（Dortmund）的搜索量却有所增加。另外，检测到的搜索量与天气数据之间的相关性对于预测瘙痒负担的增加似乎很有价值，因为发现与湿度和日照时间的持续增加以及温度和PM10的降低有显着相关性。因此，这是一种非常规且廉价的方法，可以识别搜索行为趋势和相应居民的需求。

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