Table 3.
Summary of topic correlates for survey items. LDA: latent Dirichlet allocation.
| Category, survey item, and topic | Correlation (P value) | ||
| Attitude |
|
||
|
|
Ground spraying (ZI-22) |
|
|
|
|
|
“Congress funding” (197/LDA200) | .88 (<.001) |
|
|
|
“Zika protection and travel” (149/LDA150) | .68 (<.001) |
|
|
Aerial spraying (ZI-23) |
|
|
|
|
|
“Congress funding” (197/LDA200) | .92 (<.001) |
|
|
|
“Zika in Miami” (87/LDA200) | .67 (<.001) |
| Knowledge |
|
||
|
|
Microcephaly (ZG-05) |
|
|
|
|
|
“Zika protection and travel” (149/LDA150) | .52 (<.001) |
|
|
|
“Congress funding” (99/LDA100) | .51 (<.001) |
|
|
|
“Microcephaly” (96/LDA100) | .43 (<.001) |
| Behavior |
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||
|
|
Getting Zika vaccine (ZG-47) |
|
|
|
|
|
“Blood transfusion tech” (73/LDA150) | –.68 (<.001) |
|
|
Practicing any preventive behavior to avoid Zika (ZG-54) |
|
|
|
|
|
“Zika” (57/LDA100) | .65 (<.001) |
|
|
|
“Insect repellent” (37/LDA200) | .59 (<.001) |
|
|
Discussing Zika with family/friends (GM-20) |
|
|
|
|
|
“Zika” (57/LDA100) | .47 (<.001) |
|
|
|
“Insect repellent” (37/LDA200) | .45 (<.001) |
|
|
|
“Congress funding” (197/LDA200) | .44 (<.001) |
|
|
|
“Zika protection and travel” (149/LDA150) | .30 (<.001) |