Volume 24, Number 7—July 2018
Research Letter
Perceptions of Zika Virus Risk during 2016 Outbreak, Miami-Dade County, Florida, USA
Table
Multivariate logistic regression analysis of variables associated with high Zika virus knowledge among Miami-Dade County residents, by sex, Florida, USA, 2016*
Category | aOR (95% CI) |
||
---|---|---|---|
Total, n = 262 | Female, n = 149 | Male, n = 113 | |
Constant† |
0.07 (0.01–0.37)‡ |
0.05 (0.004–0.647)§ |
0.066 (0.004–1.094)¶ |
Self-efficacy | |||
Confidence to protect household from Zika virus infection | |||
Medium | 1.29 (0.59–2.77) | 1.36 (0.45–4.12) | 1.97 (0.50–7.68) |
High | 1.26 (0.52–3.05) | 1.15 (0.32–4.13) | 2.81 (0.59–13.14) |
Took action to protect against Zika virus | |||
No | Referent | Referent | Referent |
Yes |
2.39 (1.24–4.61)‡ |
2.30 (0.882–5.999)¶ |
3.18 (1.07–9.44)§ |
Severity of disease | |||
Severity of Zika virus infection | |||
Less severe | Referent | Referent | Referent |
Somewhat severe | 1.09 (0.38–3.16) | 1.24 (0.27–5.67) | 0.84 (0.13–5.38) |
Very severe | 1.35 (0.46–3.96) | 2.62 (0.61–11.08) | 0.53 (0.061–4.54) |
Severity of microcephaly | |||
Not severe | Referent | Referent | Referent |
Somewhat severe | 1.07 (0.51–2.27) | 1.26 (0.45–3.58) | 1.04 (0.31–3.51) |
Very severe |
0.79 (0.34–1.87) |
1.07 (0.32–3.58) |
0.52 (0.12–2.12) |
Susceptibility to disease | |||
How likely are you to contract Zika virus | |||
Very unlikely | Referent | Referent | Referent |
Somewhat unlikely | 1.56 (0.82–2.96) | 1.34 (0.557–3.226) | 2.45 (0.83–7.26) |
Likely |
2.36 (0.896–6.25)¶ |
1.36 (0.323–5.795) |
3.21 (0.70–14.63) |
Benefits of action | |||
Taking action against Zika virus | |||
Beneficial | Referent | ||
Not beneficial |
−0.91 (−2.55 to 0.73) |
NA |
NA |
Possible cues to action | |||
Knowing someone at risk for Zika disease (pregnant or planning on being pregnant) | |||
No | Referent | Referent | Referent |
Yes |
2.13 (0.95–4.77)¶ |
1.15 (0.41–3.22) |
11.73 (2.28–60.28)‡ |
Demographics | |||
Age | 0.99 (0.97–1.01) | 0.99 (0.96–1.02) | 1.00 (0.97–1.04) |
Sex | |||
M | Referent | ||
F | 1.18 (0.63–2.20) | NA | NA |
Employment status | |||
Not in the workforce | Referent | Referent | Referent |
In the work force | 1.23 (0.579–2.605) | 1.02 (0.35–2.97) | 1.15 (0.33–4.02) |
Education level | |||
Less than bachelors | Referent | Referent | Referent |
Bachelor’s degree or higher | 2.37 (1.25–4.47)‡ | 2.92 (1.199–7.12)§ | 1.54 (0.53–4.42) |
Income level | |||
<$50,000 | Referent | Referent | Referent |
$50,000-$100,000 | 0.98 (0.46–2.09) | 1.15 (0.44–2.98) | 0.65 (0.18–2.25) |
>$100,000 | 2.06 (0.88–4.78)¶ | 2.51 (0.72–8.73) | 1.75 (0.42–7.32) |
Don’t know or NA | 0.86 (0.33–2.21) | 1.73 (0.52–5.78) | 0.04 (0.006–0.304)‡ |
*aOR, adjusted odds ratio; NA, not applicable.
†The constant is the expected mean value of y when x equals zero.
‡p<0.01.
§p<0.05.
¶p<0.10.