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Table 2 Socio-demographic factors associated with vitamin B12 deficiency in a representative sample of pregnant women in Colombia

From: Vitamin B12 concentrations in pregnant Colombian women: analysis of nationwide data 2010

Characteristics

Bivariate

Adjusted modela

Adjusted modelb

Adjusted modelc

Age (years)d

13 to 17

1.02 (0.64–1.62)

1.02 (0.64–1.62)

1.14 (0.68–1.91)

1.14 (0.68–1.91)

30 to 49

1.15 (0.77–1.70)

1.15 (0.77–1.70)

1.14 (0.76–1.70)

1.14 (0.76–1.70)

Socioeconomic levelse

Level I

1.18 (0.68–2.06)

1.18 (0.67–2.08)

1.23 (0.70–2.17)

1.20 (0.67–2.16)

Level III

1.21 (0.56–2.61)

1.19 (0.55–2.58)

1.32 (0.60–2.92)

1.30 (0.59–2.89)

Level IV or more

1.36 (0.76–2.43)

1.35 (0.75–2.41)

1.40 (0.77–2.57)

1.40 (0.76–2.56)

Geographic areaf

Eastern

2.25 (1.39–3.66)

2.26 (1.39–3.68)

2.21 (1.35–3.61)

2.21 (1.36–3.62)

Central

1.80 (1.13–2.86)

1.79 (1.12–2.85)

1.78 (1.12–2.85)

1.78 (1.11–2.83)

Pacific (West)

4.34 (2.82–6.69)

4.34 (2.81–6.68)

4.42 (2.82–6.92)

4.41 (2.81–6.93)

Bogotá

1.53 (0.81–2.87)

1.51 (0.80–2.84)

1.44 (0.74–2.78)

1.41 (0.73–2.74)

National territories (South)

2.49 (1.55–3.98)

2.49 (1.55–3.98)

2.33 (1.44–3.77)

2.34 (1.45–3.79)

Urbanicityg

Rural

1.09 (0.78–1.52)

1.09 (0.79–1.52)

0.95 (0.66–1.36)

0.95 (0.66–1.36)

Ethnic grouph

Indigenous

2.13 (1.15–3.95)

2.12 (1.15–3.93)

2.22 (1.13–4.36)

2.21 (1.13–4.34)

Others

1.06 (0.67–1.65)

1.06 (0.68–1.65)

1.35 (0.80–2.29)

1.35 (0.80–2.29)

  1. Odds ratios (95 % confidence interval)
  2. aadjusted by age
  3. badjusted by ethnic group, geographic area, socioeconomic levels and urbanicity
  4. cadjusted by age, ethnic group, geographic area socioeconomic levels and urbanicity
  5. dreference group: 18 to 29
  6. ereference group: level II
  7. freference group: Atlantic (North)
  8. greference group: urban
  9. hreference group: black or afro-Colombian
  10. Significant odds ratios are shown in bold