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. 2010 Aug;100(8):1514-9.
doi: 10.2105/AJPH.2009.175125. Epub 2010 Jun 17.

Diagnosis blog: checking up on health blogs in the blogosphere

Edward Alan Miller  1 , Antoinette Pole
Affiliations

Diagnosis blog: checking up on health blogs in the blogosphere

Edward Alan Miller et al. Am J Public Health. 2010 Aug.

Abstract

Objectives: We analyzed the content and characteristics of influential health blogs and bloggers to provide a more thorough understanding of the health blogosphere than was previously available.

Methods: We identified, through a purposive-snowball approach, 951 health blogs in 2007 and 2008. All blogs were US focused and updated regularly. We described their features, topics, perspectives, and blogger demographics.

Results: Approximately half of the bloggers in our sample were employed in the health field. A majority were female, aged in their 30s, and highly educated. Two thirds posted at least weekly; one quarter accepted advertisements. Most blogs were established after 2004. They typically focused on bloggers' experiences with 1 disease or condition or on the personal experiences of health professionals. Half were written from a professional perspective, one third from a patient-consumer perspective, and a few from the perspective of an unpaid caregiver.

Conclusions: Data collected from health blogs could be aggregated for large-scale empirical investigations. Future research should assess the quality of the information posted and identify what blog features and elements best reflect adherence to prevailing norms of conduct.

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Figures

FIGURE 1
FIGURE 1
Percentage of Blogs Established, by Year. Note. n = 893 (Of 951 blogs in the sample, information on blog age was not available for 58). a2007–2008.
See this image and copyright information in PMC

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