Volume 25, Number 4—April 2019
Research Letter
Prior Vaccination and Effectiveness of Communication Strategies Used to Describe Infectious Diseases
Table
Effect of communication strategies on intent for future influenza vaccination, by influenza vaccination status*
Strategy |
Vaccination over previous 2 y, adjusted odds ratio (95% CI)* | p value for interaction† |
|||
---|---|---|---|---|---|
No |
p value |
Yes |
p value |
||
Graph type | <0.001 | ||||
Picto-trendline | Referent | Referent | |||
DOT map | 1.1 (0.9–1.2) | 0.06 | 1.0 (0.9–1.1) | 0.92 | |
Heat map |
1.1 (1.0–1.2) |
0.01 |
1.1 (0.9–1.2) |
0.08 |
|
Case severity | <0.001 | ||||
Both | Referent | Referent | |||
Typical | 1.0 (0.9–1.1) | 0.78 | 0.9 (0.8–1.0) | 0.07 | |
Severe |
1.1 (1.0–1.3) |
0.02 |
1.1 (0.9–1.2) |
0.43 |
|
Confident language | <0.001 | ||||
Uncertainty with normalizing language | Referent | Referent | |||
Uncertainty | 1.0 (0.9–1.1) | 0.97 | 1.1 (0.9–1.2) | 0.12 | |
Scientific certainty |
1.2 (1.1–1.3) |
<0.001 |
1.3 (1.1–1.4) |
<0.001 |
|
Influenza label | <0.001 | ||||
Horse | Referent | Referent | |||
H11N3 | 1.0 (0.9–1.1) | 0.62 | 1.4 (1.1–1.7) | 0.001 | |
Yarraman |
1.1 (1.0–1.2) |
0.001 |
1.2 (1.1–1.4) |
0.001 |
|
Metaphor use | <0.001 | ||||
Infectious disease | Referent | Referent | |||
War | 1.0 (0.9–1.1) | 0.78 | 1.0 (0.9–1.1) | 0.60 | |
Gardening | 1.0 (0.9–1.1) | 0.75 | 1.0 (0.9–1.1) | 0.41 |
*Multivariable ordinal logistic regression adjusted for participant age, sex, marital status, occupation as healthcare worker, and country of residence.
†Interaction between vaccination status and communication strategy.