Table 3 Univariable logistic regression model predicting ASQ dimension result below the − 2SD cut-off for 235 toddlers included in the analysis by ZIKV exposure status

 Exposed

0.36 (0.2–0.8)

0.84 (0.2–3.6)

0.49 (0.1–2.0)

2.08 (0.4–10.0)

0.67 (0.3–1.8)

 Unexposed

1

1

1

1

1

 Male

1

1

1

1

1

 Female

0.35 (0.2–0.8)

1.49 (0.4–6.4)

0.88 (0.2–3.6)

0.36 (0.1–1.4)

0.62 (0.2–1.6)

 Primary

1

1

1

1

1

 Secondary

0.76 (0.3–2.3)

0.70 (0.1–4.4)

0.70 (0.1–4.4)

0.30 (0.1–1.9)

1.20 (0.2–6.5)

 Tertiary

0.54 (0.2–1.6)

0.34 (0.1–2.5)

0.34 (0.1–2.5)

0.45 (0.1–2.1)

1.44 (0.3–7.1)

 Unknown

1.29 (0.3–6.0)

1.25 (0.1–14.9)

1.25 (0.1–14.9)

0.81 (0.08–8.5)

6.36 (1.0–39.6)

 Primary

1

1

1

1

1

 Secondary

0.52 (0.2–1.6)

0.56 (0.1–3.6)

0.70 (0.1–4.4)

0.56 (0.09–3.6)

0.49 (0.14–1.7)

 Tertiary

0.27 (0.07–1.1)

0.23 (0.02–2.6)

0.34 (0.05–2.5)

0 (0)

0.25 (0.05–1.1)

 Unknown

0.43 (0.1–1.3)

0.28 (0.04–2.1)

1.25 (0.1–14.9)

0.73 (0.1–4.0)

0.20 (0.05–0.8)

 One

1

1

1

1

1

 More than one

2.00 (0.8–4.9)

0.98 (0.2–4.2)

0.58 (0.1–2.4)

2.43 (0.5–11.7)

1.00 (0.4–2.7)

 0

1

1

1

1

1

 1

0.65 (0.2–1.8)

0.89 (0.2–5.5)

0.53 (0.1–2.8)

0.26 (0.03–2.3)

1.01 (0.3–3.0)

 2

1.29 (0.4–4.4)

2.62 (0.4–16.5)

0 (0)

1.54 (0.3–8.4)

0.93 (0.2–4.7)

 3+

3.19 (1.1–9.3)

1.48 (0.2–14.9)

0.87 (0.1–7.8)

1.82 (0.3–10.0)

1.73 (0.4–7.1)

 Low birth weight

1.02 (0.2–4.7)

9.88 (2.1–45.9)

2.02 (0.2–17.5)

0

1.70 (0.4–8.1)

 Normal

1

1

1

1

1