Table 3. Total Fertility Rates from the “Zika in Fortaleza” cohort according to their socioeconomic status and educational attainment.

Variable (n=1,497)	2013-2014		2015-2016		2017-2018		p-value
	TFR	95%CI	TFR	95%CI	TFR	95%CI
Educational attainment
Complete elementary school or higher	1.9	1.6-2.2	2.5	2.1-2.8	3.4	3.0-3.8	<0.001
Incomplete elementary school	4.2	2.9-5.5	3.2	2.6-4	3.9	3.2-4.6
Socioeconomic status
High (A-B and C)	2.4	1.9-2.8	2.4	2.1-2.8	3.4	3.1-3.8	<0.001
Low (D and E)	3.5	1.6-5.5	3.8	2.9-4.6	4.1	3.2-5
Race or skin color
White	1.5	0.8-2.1	2.4	1.5-3.3	3.9	2.9-5	0.310
Non-white	2.8	2.1-3.4	2.7	2.3-3	3.5	3.1-3.8
Bolsa Família program
Not a beneficiary	1.4	1.1-1.7	1.9	1.4-2.3	3.5	2.9-4	<0.001
Beneficiary	3.5	2.6-4.3	3.3	2.8-3.8	3.6	3.1-4
Household food insecurity
No	1.9	1.5-2.2	2.3	1.8-2.8	3.6	3.0-4.1	<0.001
Yes	3.2	2.3-4.0	3.2	2.6-3.7	4.2	3.6-4.8
Loss to follow-up	2.2	1.6-2.8	2.2	1.6-2.7	2.3	1.7-2.9
Household residents
Three or less	1.6	1.3-2	2.4	1.9-2.8	3.3	2.8-3.8	<0.001
Four or more	3.4	2.5-4.2	2.9	2.4-3.3	3.7	3.2-4.1
Poverty situation
Yes	3.4	2.3-4.5	4.2	3.2-5.2	4.9	3.9-5.8	<0.001
No	2.3	1.7-2.9	2.2	1.9-2.6	3.6	3.1-3.9
Water Storage
Yes	2.7	2.1-3.3	3.1	2.5-3.8	3.5	3.1-3.9	<0.001
No	2.5	1.8-3.2	2.5	2.1-2.8	3.60	2.9-4.3
Used a condom in the last sexual intercourse
Yes	3.5	1.8-5.3	2.6	1.9-3.3	3.10	2.5-3.7	<0.001
No	2.2	1.9-2.5	2.7	2.3-3.0	3.66	3.2-4.1
Wanted to get pregnant
No	3.3	2.3-4.3	2.2	1.8-2.5	2.79	2.4-3.2	<0.001
Yes	1.7	1.3-2.0	3.3	2.7-3.9	4.80	4.2-5.5
TFR	2.6	2.1-3.1	2.6	2.3-3	3.52	3.2-3.9	<0.001

TFR: Total Fertility Rates; 95%CI: 95% confidence intervals.