Table 3.
Unadjusted and adjusted (multivariate logistic regression, adjusted for the other factors shown in the table) odds ratios (OR) and 95% CI for knowledge about Zika by sociodemographic variables.
| Predictors | Zika virus is primarily transmitted to humans through mosquito bites | Pregnant women are the main at-risk population for Zika | |||||||
| ORa
(95% CI) |
P value | AORb
(95% CI) |
P value | OR (95% CI) |
P value | AOR (95% CI) |
P value | ||
| Sex | |||||||||
| Female | 1 | 1 | 1 | 1 | |||||
| Male | 0.8 (0.6-1.2) | .26 | 0.8 (0.6-1.3) | .40 | 1.1 (0.8-1.4) | .71 | 1.0 (0.7-1.5) | .81 | |
| Age (years) | |||||||||
| <30 | 1 | 1 | 1 | 1 | |||||
| 30-49 | 1.2 (0.8-1.9) | .33 | 1.5 (0.9-2.4) | .12 | 1.4 (1.0-2.0) | <.001 | 1.6 (1.0-2.3) | .03 | |
| ≥50 | 0.6 (0.4-0.9) | .04 | 2.1 (1.1-3.8) | .02 | 0.5 (0.4-0.8) | <.001 | 1.4 (0.8-2.3) | .25 | |
| Education | |||||||||
| Primary or less (<9 years) | 1 | 1 | 1 | 1 | |||||
| Secondary (9-12 years) | 2.5 (1.5-4.1) | <.001 | 2.3 (1.3-4.0) | <.001 | 1.7 (1.1-2.6) | .02 | 1.5 (0.9-2.5) | .09 | |
| Postsecondary (>12 years) | 6.4 (4.3-9.3) | <.001 | 2.0 (1.2-3.5) | .01 | 4.0 (2.8-5.6) | <.001 | 1.4 (0.8-2.3) | .19 | |
| Occupation | |||||||||
| Staff of government institution | 1 | 1 | 1 | 1 | |||||
| Staff of business or service industry | 0.1 (0.1-0.2) | <.001 | 0.3 (0.2-0.7) | <.001 | 0.3 (0.2-0.4) | <.001 | 0.8 (0.5-1.3) | .30 | |
| Farmer | 0.1 (0-0.1) | <.001 | 0.4 (0.2-0.9) | .02 | 0.3 (0.1-0.4) | <.001 | 1.3 (0.6-2.6) | .51 | |
| Other (eg, retired, housewife or househusband, and unemployed) | 0.2 (0.1-0.2) | .04 | 0.4 (0.2-0.8) | .01 | 0.3 (0.2-0.4) | <.001 | 0.7 (0.5-1.2) | .22 | |
| Source of participants | |||||||||
| Community | 1 | 1 | 1 | 1 | |||||
| Internet | 9.6 (6.3-14.5) | <.001 | 5.0 (3.0-8.0) | <.001 | 6.9 (5.0-9.5) | <.001 | 5.5 (3.5-8.4) | <.001 | |
aOR: odds ratio.
bAOR: adjusted odds ratio.