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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: J Health Commun. 2015 Mar 25;20(5):555–565. doi: 10.1080/10810730.2014.999895

Table 3. Average Percent Coverage by Topic.

Topic Sources
(N)		 Average %
Coverage*
(1990-2001)		 Average %
Coverage*
(2001-2010)		 Average %
Coverage
Internet
sources		 Average %
coverage
print
sources		 Average %
Coverage*
(all articles)
Prevention 38
 Health education
and policy		 9 0.24 1.50 0.88 0.83 0.84
 Population
screening and tests
for genetic markers		 23 2.05 1.16 1.95 1.56 1.62
Development of
vaccines		 6 0.00 2.35 0.00 1.35 1.12
Treatment 80
 Products and
medications on the
market		 21 0.79 4.80 2.35 2.77 2.70
 Trial medications
and new genetic
treatments “on the horizon”		 52 3.93 5.20 5.53 4.33 4.53
Genetically-tailored
treatment		 20 0.70 2.02 2.82 1.02 1.33
Behavioral
treatment		 24 0.84 3.49 1.82 2.16 2.10
*

“Coverage” is the percentage of characters in a document (news article) coded as a particular theme.