Table 1 Correlates of Zika beliefs and misperceptions (survey data).

*P < 0.05, **P < 0.01, ***P < 0.005 (two-sided); OLS models estimated using survey weights. Data from the Brazil wave of the 2016 and 2017 AmericasBarometer survey (n = 1532; 5 April to 11 May 2017). Outcome variables are measures of factual belief about Zika and a composite measure indicating greater misperceptions about Zika, respectively (see the Supplementary Materials for wording). Respondents ages 16 to 30 are the reference category for age, and the north is the excluded category for region.

Spreads via mosquitoSpreads via sexSpread via casual contactMisperception beliefs
(mean)
Years of schooling0.01−0.05***−0.05***−0.08***
(0.01)(0.01)(0.01)(0.01)
Moderate income−0.04−0.22*−0.15−0.05
(quartile 2)(0.05)(0.10)(0.08)(0.07)
Medium income−0.01−0.17−0.17−0.16*
(quartile 3)(0.06)(0.13)(0.09)(0.08)
High income0.01−0.25*−0.14−0.14
(quartile 4)(0.06)(0.11)(0.08)(0.08)
Male0.060.000.02−0.13*
(0.04)(0.08)(0.06)(0.05)
Age 31–450.08−0.07−0.060.03
(0.04)(0.08)(0.06)(0.06)
Age 46–600.00−0.16−0.08−0.09
(0.06)(0.11)(0.07)(0.08)
Age 61 or older−0.050.070.24*0.05
(0.08)(0.14)(0.11)(0.09)
Urban0.06−0.08−0.20***−0.05
(0.07)(0.09)(0.07)(0.07)
Northeast region0.030.070.18***0.14
(0.08)(0.11)(0.06)(0.08)
Center-west region−0.050.140.160.05
(0.09)(0.13)(0.10)(0.10)
Southeast region0.020.26*0.20***0.15
(0.06)(0.10)(0.06)(0.08)
South region−0.01−0.080.110.03
(0.08)(0.13)(0.07)(0.09)
Constant3.53***2.75***2.07***3.31***
(0.10)(0.18)(0.11)(0.12)
R20.010.050.070.14
n1402133113911284