Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, Michigan 48106, USA.
Med Decis Making. 2010 Sep-Oct;30(5 Suppl):106S-114S. doi: 10.1177/0272989X10377661.
The rise in Internet use for seeking health information raises questions about the role the Internet may play in how patients make medical decisions.
To examine Internet use and perceived importance of different sources of information by patients making 9 specific medical decisions covering prescription medication initiation, cancer screening, and elective surgery.
National sample of US adults identified by random-digit dialing.
Cross-sectional survey conducted between November 2006 and May 2007.
The final sample comprised 2575 English-speaking US adults aged 40 y and older who had either undergone 1 of 9 medical procedures or tests or talked with a health care provider about doing so during the previous 2 y.
Participants indicated if they or other family members used the Internet to seek information related to each of the specific medical decisions and rated how important the health care provider, the Internet (if used), family and friends, and the media (newspapers, magazines, and television) were in providing information to help make the medical decision.
Use of the Internet for information related to specific decisions among adults 40 y and older was generally low (28%) but varied across decisions, from 17% for breast cancer screening to 48% for hip/knee replacement. Internet use was higher at younger ages, rising from 14% among those aged 70 y and older to 38% for those aged 40 to 49 y. Internet users consistently rated health care providers as the most influential source of information for medical decisions, followed by the Internet, family and friends, and media.
Telephone surveys are limited by coverage and nonresponse. The authors excluded health-related Internet use not associated with the 9 target decisions.
A minority of patients reported using the Internet to make specific common medical decisions, but use varied widely by type of decision. Perhaps reflecting perceived risk and uncertainty, use was lowest for screening decisions and highest for surgical decisions.
互联网在医疗信息检索方面的应用日益普及，这引发了人们对于互联网在患者医疗决策过程中所扮演角色的关注。
探讨在 9 项具体医疗决策（包括处方药的启用、癌症筛查和选择性手术）中，互联网的使用情况以及患者对不同信息来源的重视程度。
通过随机拨号方式，在美国成年人中抽取的全国性样本。
2006 年 11 月至 2007 年 5 月期间进行的横断面调查。
最终样本包括 2575 名年龄在 40 岁及以上的英语使用者，他们在过去 2 年内要么进行了 9 项医疗程序或检查中的 1 项，要么与医疗保健提供者讨论过进行这些程序或检查。
参与者表示他们或其他家庭成员是否使用互联网查询与每项具体医疗决策相关的信息，并对医疗保健提供者、互联网（如果使用）、家人和朋友以及媒体（报纸、杂志和电视）在提供帮助做出医疗决策的信息方面的重要性进行评分。
在 40 岁及以上的成年人中，针对特定决策使用互联网查询信息的情况总体上较为少见（28%），但在不同决策之间存在差异，从乳腺癌筛查的 17%到髋关节/膝关节置换的 48%不等。在年轻人群中，互联网的使用率更高，从 70 岁及以上人群的 14%上升至 40 岁至 49 岁人群的 38%。互联网用户始终将医疗保健提供者视为医疗决策最有影响力的信息来源，其次是互联网、家人和朋友以及媒体。
电话调查受到覆盖范围和无应答的限制。作者排除了与 9 项目标决策无关的健康相关互联网使用。
少数患者表示使用互联网做出了特定的常见医疗决策，但使用情况因决策类型而异。或许反映了感知到的风险和不确定性，互联网在筛查决策中的使用率最低，而在手术决策中的使用率最高。
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