本頁只刊出中文翻譯與中文說明；英文原文請見下方原文連結。
原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-01-14
摘要
Background: Associations between 經濟 conditions and health are usually derived from costintensive surveys that are intermittently collected with nonspecific measures (i.e., self-rated health). Purpose: This study identified how precise health concerns changed during the U.S. Great Recession analyzing Google search queries to identify the concern by the query content and their prevalence by the query volume. Methods: Excess health concerns were estimated during the Great Recession (December 2008 through 2011) by comparing the cumulative difference between observed and expected (based on linear projections from pre-existing trends) query volume for hundreds of individual terms. As performed in 2013, the 100 queries with the greatest excess were ranked and then clustered into themes based on q
※ 此為已發表論文，全文需透過期刊付費取得