Table 2.
Characterization of ferritin levels among Colombian children (National Nutrition Survey, 2010).
| Characteristics | Ferritin Level Deficiency <12 µg/L | Adequate Ferritin Levels >12 µg/L | ||
|---|---|---|---|---|
| n | % ** (95% CI) | n | % ** (95% CI) | |
| Total | 257 | 3.5 (3.0–3.9) | 6393 | 96.5 (96.4–96.6) |
| Age (years) a | ||||
| 5–5.9 | 35 | 3.5 (2.3–4.6) | 708 | 96.5 (96.2–96.7) |
| 6–6.9 | 27 | 3.4 (1.9–4.6) | 708 | 96.6 (96.4–96.8) |
| 7–7.9 | 39 | 5.0 (3.2–6.5) | 770 | 95.0 (94.7–95.2) |
| 8–8.9 | 31 | 1.9 (1.1–2.5) | 812 | 98.1 (98.0–98.3) |
| 9–9.9 | 19 | 2.3 (1.1–3.3) | 831 | 97.7 (97.6–97.8) |
| 10–10.9 | 33 | 4.0 (2.4–5.4) | 897 | 96.0 (95.8–96.2) |
| 11–11.9 | 26 | 4.0 (2.4–5.4) | 879 | 96.0 (95.8–96.2) |
| 12–12.9 | 47 | 4.7 (3.3–5.9) | 788 | 95.3 (95.0–95.6) |
| Sex | ||||
| Male | 162 | 3.2 (2.6–3.8) | 4001 | 96.8 (96.6–96.9) |
| Female | 95 | 3.7 (3.0–4.3) | 2649 | 96.3 (96.2–96.4) |
| Socioeconomic levels by SISBEN | ||||
| Level I | 170 | 4.0 (3.3–4.7 | 3840 | 96.0 (95.8–96.1) |
| Level II a | 29 | 2.8 (1.8–3.7) | 800 | 97.2 (97.0–97.4) |
| Level III a | 15 | 2.0 (0.9–2.8) | 551 | 98.0 (97.9–98.2) |
| Level IV | 43 | 3.2 (2.2–4.2) | 1202 | 96.8 (96.6–96.9) |
| Geographic area | ||||
| Atlantic (North) | 75 | 5.2 (4.1–6.2) | 1399 | 94.8 (94.6–95.0) |
| Eastern a | 19 | 1.7 (0.8–2.4) | 933 | 98.3 (98.2–98.4) |
| Central a | 55 | 2.4 (1.8–3.0) | 1399 | 97.6 (97.4–97.7) |
| Pacific (Western) a | 44 | 5.0 (3.7–6.2) | 921 | 95.0 (94.8–95.1) |
| Bogotá a | 9 | 3.1 (1.2–4.6) | 282 | 96.9 (96.7–97.1) |
| National territories (South) a | 55 | 3.7 (2.5–4.8) | 1459 | 96.3 (96.1–96.4) |
| Urbanicity | ||||
| Urban | 162 | 3.4 (2.8–4.0) | 3839 | 96.6 (96.5–96.7) |
| Rural | 95 | 3.5 (2.7–4.2) | 2554 | 96.5 (96.3–96.6) |
| Ethnic group * | ||||
| Indigenous a | 37 | 4.7 (2.3–6.7) | 838 | 95.3 (95.0–95.5) |
| Black or Afro-Colombian | 41 | 6.0 (4.3–7.6) | 702 | 94.0 (93.7–94.2) |
| Others | 177 | 3.0 (2.5–3.5) | 4802 | 97.0 (96.9–97.1) |
SISBEN, System of Identifying Potential Beneficiaries of Social Programs. * All children analysed by ethnic group were n = 6597, another 53 appertained to “Raizal del archipielago” and “Palenquero de San Basilio”, who were not analysed because this group do not have a representative sample. ** It is not correct to calculate the percentages from the “n” presented in this table; these calculations were taken from weighted values given to each participant. a Coefficient of variation is >20% deficiency prevalence, therefore variation should be used with caution.