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Volume 25, Number 1—January 2019
Research Letter

Using the Health Belief Model to Analyze Instagram Posts about Zika for Public Health Communications

Jeanine P.D. GuidryComments to Author , Kellie E. Carlyle, Jessica G. LaRose, Paul Perrin, Marcus Messner, and Mark Ryan
Author affiliations: Virginia Commonwealth University, Richmond, Virginia, USA

Main Article

Table

Mann-Whitney U test results for dichotomous independent variables and median engagement for the Health Belief Model in analyzing Instagram posts about Zika for public health communications

Engagement variable Variable Median present Median absent U* Z p value
Likes Conspiracy theories 188.00 64.00 52,426.000 3.525 <0.001
Comments Conspiracy theories 19.00 6.00 56,533.500 5.070 <0.001
Likes Fear 61.00 102.00 78,434.000 −4.045 <0.001
Comments Fear 6.00 10.00 78,619.000 −4.008 <0.001
Likes Mosquito visual 57.50 77.50 63,749.500 −2.343 0.019
Likes Person visual 89.50 57.50 141,628.000 3.733 <0.001
Likes Perceived benefits prevention 45.00 78.50 46,042.000 −2.277 0.023
Comments Perceived benefits prevention 4.00 7.00 45,176.000 −2.575 0.010
Likes Perceived severity 61.00 112.00 74.914.000 −4.356 <0.001
Comments Perceived severity 6.00 10.00 75,207.500 −4.291 <0.001

*Test statistic for Mann-Whitney U test.

Main Article

Page created: December 18, 2018
Page updated: December 18, 2018
Page reviewed: December 18, 2018
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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