Table 1 Prevalence and socio-demographic factors associated with vitamin B12 deficiency and marginal 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 | Adequate B12 concentration | Marginal vitamin B12 deficiency | Vitamin B12 deficiency | |||
|---|---|---|---|---|---|---|
n | %a, 95 % CIb | n | %a, 95 % CIb | n | %a, 95 % CIb | |
Total | 697 | 40.1 (38.1–41.8) | 737 | 41.3 (39.4–43.0) | 347 | 18.6 (16.8–20.3) |
Age (years) | ||||||
13 to 17 | 101 | 42.2 (37.2–45.7) | 94 | 39.4 (33.9–42.2) | 50 | 18.4 (14.1–21.5) |
18 to 29 | 435 | 39.6 (37.3–41.6) | 489 | 42.3 (40.2–44.2) | 218 | 18.1 (16.0–20.0) |
30 to 49 | 161 | 40.3 (36.6–43.0) | 154 | 39.5 (35.9–42.4) | 79 | 20.2 (16.1–23.4) |
Socioeconomic level | ||||||
Level I | 417 | 41.1 (38.7–43.1) | 418 | 40.8 (38.4–42.9) | 200 | 18.1 (15.8–20.0) |
Level IIc | 62 | 34.4 (28.3–38.5) | 78 | 49.9 (44.6–53.5) | 30 | 15.7 (10.5–19.3) |
Level IIIc | 48 | 48.6 (41.1–53.3) | 51 | 33.0 (27.5–36.6) | 25 | 18.4 (11.4–22.9) |
Level IV or more | 170 | 38.4 (35.1–41.0) | 190 | 41.4 (38.4–43.9) | 92 | 20.2 (16.9–22.9) |
Geographic area | ||||||
Atlantic (North) | 190 | 47.0 (44.1–49.5) | 179 | 42.6 (39.7–45.0) | 67 | 10.4 (8.2–12.1) |
Eastern | 86 | 31.4 (28.1–33.9) | 106 | 47.9 (43.1–51.4) | 45 | 20.7 (16.2–24.0) |
Central | 164 | 50.3 (46.6–53.2) | 131 | 32.5 (29.2–35.1) | 65 | 17.2 (13.5–20.1) |
Pacific (West) | 49 | 19.8 (15.9–22.7) | 108 | 46.8 (43.2–49.6) | 73 | 33.4 (29.2–36.7) |
Bogotác | 46 | 45.9 (40.5–49.5) | 39 | 39.1 (33.3–43.1) | 15 | 15.0 (9.2–19.0) |
National territories (South) | 162 | 37.8 (34.1–40.6) | 174 | 39.9 (36.4–42.7) | 82 | 22.3 (17.6–26.0) |
Urbanicity | ||||||
Urban | 441 | 40.7 (38.6–42.7) | 481 | 41.0 (38.9–42.8) | 224 | 18.3 (16.2–20.1) |
Rural | 256 | 38.0 (35.2–40.4) | 256 | 42.4 (39.2–45.0) | 123 | 19.6 (16.7–22.0) |
Ethnic group | ||||||
Indigenous | 95 | 30.5 (24.9–34.2) | 96 | 38.7 (31.7–43.3) | 66 | 30.8 (23.8–35.4) |
Black or Afro-Colombian | 70 | 41.0 (35.8–44.8) | 85 | 41.7 (37.6–44.7) | 43 | 17.3 (13.0–20.5) |
Others | 530 | 40.5 (38.5–42.3) | 554 | 41.4 (39.4–43.2) | 234 | 18.1 (16.1–19.9) |