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Volume 24, Number 9—September 2018
Research Letter

Travelers’ Actual and Subjective Knowledge about Risk for Ebola Virus Disease

Isabelle RégnerComments to Author , Oana Elena Ianos, Loucy Shajrawi, Philippe Brouqui, and Philippe Gautret
Author affiliations: Aix-Marseille Université, Marseille, France (I. Régner); Méditerranée Infection Institute, Marseille (O.E. Ianos, L. Shajrawi, P. Brouqui, P. Gautret)

Main Article


Results of multiple regression analyses for variables predicting actual and subjective knowledge of risk for Ebola virus disease*

Risk perception variable
Actual knowledge

Subjective knowledge
95% CI
95% CI
Perceived seriousness 0.12 (p<0.001) 0.05 to 0.20 0.08 –0.08 to 0.24
Risk awareness –0.19 (p<0.001) –0.26 to –0.11 –0.16 (p<0.05) –0.33 to –0.01
Perceived effectiveness of protective measures 0.04 –0.02 to 0.10 0.22 p<0.01) 0.09 to 0.35
Positive illusions –0.07 –0.14 to 0.01 0.16 (p<0.05) 0.01 to 0.33
Fear of contracting EVD in destination country 0.03 –0.07 to 0.12 0.02 –0.19 to 0.22
Fear of contracting EVD in Europe –0.01 –0.09 to 0.07 -0.09 –0.26 to 0.08
Behavioral intention
–0.03 to 0.11

0.16 (p<0.05)
0.01 to 0.32
% variance explained by the model Adj R2 = 0.32 (p<0.001) Adj R2 = 0.21 (p<0.001)

*All regression coefficients are unstandardized coefficients that were adjusted for participants’ destination (Africa vs. other countries). Adj, adjusted; b, unstandardized regression coefficients; EVD, Ebola virus disease.

Main Article

Page created: August 16, 2018
Page updated: August 16, 2018
Page reviewed: August 16, 2018
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