| Sex, No. |
121 |
| Girls |
63 (52.1) |
| Boys |
58 (47.9) |
| Age, No. |
177 |
| Mean (SD), cm |
31.5 (2.85) |
| Head circumference at birth, No. |
160 |
| Mean (SD), cm |
28.76 (1.88) |
| Microcephaly at birth, No. |
110 |
| No |
11 (10.0) |
| Yes |
99 (90.0) |
| Severity of microcephaly at birth, No. |
110 |
| None |
11 (10.0) |
| >2 to <3 SDs below mean |
25 (22.7) |
| >3 SDs below mean |
74 (67.3) |
| Type of delivery, No. |
106 |
| Vaginal |
54 (50.9) |
| Cesarean |
52 (49.1) |
| Birth weight, No. |
159 |
| Mean (SD), kg |
2.70 (0.54) |
| Gestational age at birth |
160 |
| Mean (SD), wk |
38.13 (2.05) |
| Preterm, No. |
103 |
| Yes |
18 (17.5) |
| No |
85 (82.5) |
| Maternal age at birth, No. |
175 |
| Mean (SD), y |
26.85 (7.22) |
| Trimester presenting Zika symptoms, No. |
91 |
| First |
44 (48.4) |
| Second |
34 (37.4) |
| Third |
9 (9.9) |
| No symptoms reported during pregnancy |
4 (4.4) |
| Seizure severity, No. |
120 |
| Mild |
87 (81.3) |
| Moderate |
19 (17.8) |
| Severe |
1 (0.9) |
| Visual impairment, No. |
75 |
| Normal |
23 (30.7) |
| Low |
16 (21.3) |
| Moderate |
27 (36.0) |
| Severe |
9 (12.0) |
| Monthly household income, No. |
120 |
| <Minimum wage |
6 (5.0) |
| Minimum wage |
62 (51.7) |
| 1 to <2 times minimum wage |
42 (35.0) |
| 2 to <3 times minimum wage |
7 (5.8) |
| >3 times the minimum wage |
3 (2.5) |
| Maternal education, No. |
86 |
| Incomplete primary education |
21 (25.0) |
| Primary education |
5 (5.9) |
| Incomplete secondary education |
9 (10.7) |
| Secondary education |
38 (45.2) |
| Vocational school |
2 (2.4) |
| Incomplete university |
5 (5.9) |
| University |
3 (3.6) |
| Postgraduate education |
2 (6.7) |
| Illiterate |
0 |
| Functionally illiterate |
1 (1.2) |
| Marital status, No. |
121 |
| Single |
24 (20.0) |
| Married |
37 (30.8) |
| Civil union or long-term partnership |
4 (3.3) |
| Separated |
2 (1.7) |
| Divorced |
2 (1.7) |
| Widowed |
1 (0.8) |
| Other or not reported |
51 (42.1) |
| Neurological findings, No. |
177 |
| Decreased brain volume |
71 (59.2) |
| Enlarged lateral ventricles |
91 (75.8) |
| Enlarged fourth ventricle |
17 (14.4) |
| Hydrocephaly |
4 (3.4) |
| Reduced sulcation |
9 (7.5) |
| Lysencephaly |
26 (21.7) |
| Agyria |
12 (10) |
| Pachygyria |
29 (24.2) |
| Parenchymal calcifications |
112 (94.1) |
| Cortical calcifications |
58 (49.2) |
| Subcortical calcifications |
73 (61.3) |
