Knowledge and intake of folic acid to prevent neural tube defects among pregnant women in urban China: a cross-sectional study

Table 3 Multivariable analysis of folic acid (FA) knowledge and FA supplementation before pregnancy among pregnant women

	Adjusted OR	95% CI	P
Knowledge about folic acid
Education1(college)	1.60	0.92–2.77	0.093
Education2(university)	2.37	1.45–3.88	0.001*
Gravidity	1.54	1.01–2.36	0.049*
Planned pregancy	1.99	1.30–3.04	0.002*
District	1.81	1.18–2.77	0.006*
Begin to take folic acid before pregnancy
Occupational status	1.94	1.21–3.11	0.006*
Planned pregancy	6.18	4.01–9.53	0.000**

^*P < 0.05, **P < 0.001
Abbreviations: OR odds ratio. CI confidence interval
Variables included in the multivariable logistic regression analysis: education 1 (college vs. primary/secondary school), education 2 (university vs. primary/secondary school), gravidity (primigravida vs. multigravida), planned pregnancy (planned vs. unplanned), district (north vs. south), and occupation (employed vs. homemaker)

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