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Table 4 Adjusted logistic regression models for non-adherence to multivitamin use among BMI Groups

From: Pre-pregnancy obesity and non-adherence to multivitamin use: findings from the National Pregnancy Risk Assessment Monitoring System (2009–2011)

  Underweight Overweight Obese
CORa
  No intake 1.6 (1.4–1.8) 1.3 (1.2–1.4) 1.6 (1.5–1.7)
  1–3 times/week 1.3 (1.0–1.6) 1.1 (1.0–1.2) 1.3 (1.1–1.4)
  4–6 times/week 0.9 (0.7–1.1) 1.0 (0.9–1.1) 0.9 (0.8–1.1)
AORb
  No intake 1.2 (1.0–1.4) 1.2 (1.1–1.3) 1.4 (1.3–1.5)
  1–3 times/week 1.2 (1.0–1.5) 1.1 (1.0–1.2) 1.2 (1.0–1.3)
  4–6 times/week 1.0 (0.8–1.2) 1.0 (0.9–1.1) 1.0 (0.9–1.1)
AORc
  No intake 1.2 (1.0–1.4) 1.2 (1.2–1.3) 1.5 (1.3–1.6)
  1–3 times/week 1.2 (1.0–1.5) 1.1 (1.0–1.2) 1.2 (1.1–1.3)
  4–6 times/week 1.0 (0.8–1.3) 1.0 (0.9–1.1) 1.0 (0.9–1.2)
AORd
  No intake 1.1 (0.9–1.4) 1.2 (1.1–1.3) 1.4 (1.2–1.5)
  1–3 times/week 1.4 (1.0–1.8) 1.1 (0.9–1.2) 1.1 (0.9–1.3)
  4–6 times/week 1.1 (0.8–1.5) 1.0 (0.9–1.2) 1.0 (0.9–1.2)
  1. Daily intake is referent outcome group; bolded estimates indicate statistical significance
  2. aCrude odds ratio of multivitamin intake
  3. bAdjusted for socio-demographic characteristics (age, marital status, race/ethnicity, education, income, and health insurance)
  4. cAdjusted for socio-demographic characteristics and medical-reproductive factors (previous live birth, pregnancy intention, pre-pregnancy diabetes, and pre-pregnancy hypertension)
  5. dAdjusted for socio-demographic characteristics, medical-reproductive factors, and socio-behavioral characteristics (pre-pregnancy smoking, average # of alcohol drink per week, pre-pregnancy dieting, pre-pregnancy exercising, and intimate partner violence)