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Table 4 Univariate and multivariate analysis of the effect of socio-demographic factors on preconceptional FA intake (n = 350)

From: Correlates of knowledge on birth defects and associated factors among antenatal mothers in Galle, Sri Lanka: a cross-sectional analytical study

Characteristic Univariate analysis Multivariate analysis
ORb 95% CI p value ORb 95% CI p value
Age (years)
  ≤ 24 2.0 1.2–3.4 0.007 2.1 1.2–3.7 0.009
 25–34a       
  ≥ 35 1.0 0.5–2.0 0.957 0.8 0.4–1.5 0.437
Monthly income (Sri Lankan Rupees)
  ≤ 24,000 3.4 1.7–6.7 0.000 2.0 0.9–4.2 0.072
 25–49,000 2.4 1.2–4.6 0.009 1.9 1.0–3.8 0.049
  ≥ 50000a       
Educational level of the mother
 Up to secondary school 2.6 1.6–4.4 0.000 2.0 1.1–3.6 0.019
 Above secondary schoola       
Parity
 Primiparousa       
 Multiparous 2.0 1.3–3.2 0.002 2.4 1.4–3.9 0.001
  1. aReference category , bOR- Odds Ratio