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2001 - 2003年美国主要搜索引擎上的癌症互联网搜索活动。

Cancer Internet search activity on a major search engine, United States 2001-2003.

作者信息

Cooper Crystale Purvis, Mallon Kenneth P, Leadbetter Steven, Pollack Lori A, Peipins Lucy A

机构信息

Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA.

出版信息

J Med Internet Res. 2005 Jul 1;7(3):e36. doi: 10.2196/jmir.7.3.e36.

DOI:10.2196/jmir.7.3.e36
PMID:15998627
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1550657/
Abstract

BACKGROUND

To locate online health information, Internet users typically use a search engine, such as Yahoo! or Google. We studied Yahoo! search activity related to the 23 most common cancers in the United States.

OBJECTIVE

The objective was to test three potential correlates of Yahoo! cancer search activity--estimated cancer incidence, estimated cancer mortality, and the volume of cancer news coverage--and to study the periodicity of and peaks in Yahoo! cancer search activity.

METHODS

Yahoo! cancer search activity was obtained from a proprietary database called the Yahoo! Buzz Index. The American Cancer Society's estimates of cancer incidence and mortality were used. News reports associated with specific cancer types were identified using the LexisNexis "US News" database, which includes more than 400 national and regional newspapers and a variety of newswire services.

RESULTS

The Yahoo! search activity associated with specific cancers correlated with their estimated incidence (Spearman rank correlation, rho = 0.50, P = .015), estimated mortality (rho = 0.66, P = .001), and volume of related news coverage (rho = 0.88, P < .001). Yahoo! cancer search activity tended to be higher on weekdays and during national cancer awareness months but lower during summer months; cancer news coverage also tended to follow these trends. Sharp increases in Yahoo! search activity scores from one day to the next appeared to be associated with increases in relevant news coverage.

CONCLUSIONS

Media coverage appears to play a powerful role in prompting online searches for cancer information. Internet search activity offers an innovative tool for passive surveillance of health information-seeking behavior.

摘要

背景

为查找在线健康信息，互联网用户通常使用搜索引擎，如雅虎或谷歌。我们研究了与美国23种最常见癌症相关的雅虎搜索活动。

目的

目的是测试雅虎癌症搜索活动的三个潜在相关因素——估计的癌症发病率、估计的癌症死亡率和癌症新闻报道量——并研究雅虎癌症搜索活动的周期性和峰值。

方法

雅虎癌症搜索活动数据来自一个名为雅虎热门指数的专有数据库。使用了美国癌症协会对癌症发病率和死亡率的估计。使用LexisNexis“美国新闻”数据库识别与特定癌症类型相关的新闻报道，该数据库包括400多家全国性和地区性报纸以及各种新闻通讯社。

结果

与特定癌症相关的雅虎搜索活动与其估计发病率（斯皮尔曼等级相关性，rho = 0.50，P = 0.015）、估计死亡率（rho = 0.66，P = 0.001）和相关新闻报道量（rho = 0.88，P < 0.001）相关。雅虎癌症搜索活动在工作日和全国癌症宣传月往往较高，但在夏季较低；癌症新闻报道也往往遵循这些趋势。雅虎搜索活动得分从一天到下一天的急剧增加似乎与相关新闻报道的增加有关。

结论

媒体报道似乎在促使人们在线搜索癌症信息方面发挥着重要作用。互联网搜索活动为被动监测健康信息寻求行为提供了一种创新工具。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b89/1550657/39b24edb1e90/jmir_v7i3e36_fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b89/1550657/39b24edb1e90/jmir_v7i3e36_fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b89/1550657/39b24edb1e90/jmir_v7i3e36_fig1.jpg

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