Unadjusted means of haemoglobin and geometric means of ferritin concentrations in 12 and 18 month old children according to sex, ethnicity, infection status, and maternal education
| Haemoglobin (g/l) | Ferritin (μg/l) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 12 months | n | 18 months | n | 12 months | n | 18 months | n | ||
| Sex | |||||||||
| Male | 11.73 (0.05) | 498 | 11.63 (0.05) | 435 | 31.19 | 400 | 26.58 | 389 | |
| Female | 11.79 (0.05) | 402 | 11.76 (0.05) | 361 | 34.81 | 334 | 28.50 | 329 | |
| Ethnicity | |||||||||
| White | 11.76 (0.04) | 845 | 11.69 (0.04) | 746 | 32.79 | 691 | 27.66 | 671 | |
| Non-white | 11.72 (0.14) | 22 | 11.79 (0.2) | 18 | 34.81 | 16 | 26.84 | 16 | |
| Infection | |||||||||
| No | 11.78 (0.04) | 695 | 11.70 (0.04) | 644 | 32.14 | 563 | 27.11 | 574 | |
| Yes | 11.65 (0.07) | 205 | 11.65 (0.08) | 152 | 34.81 | 171 | 29.67 | 144 | |
| Maternal education | |||||||||
| CSE | 11.85 (0.09) | 118 | 11.71 (0.08) | 104 | 34.81 | 98 | 27.66 | 93 | |
| Vocational | 11.60 (0.11) | 90 | 11.58 (0.13) | 75 | 32.79 | 72 | 25.79 | 66 | |
| O level | 11.68 (0.06) | 320 | 11.60 (0.06) | 278 | 31.82 | 267 | 28.79 | 245 | |
| A level | 11.82 (0.07) | 224 | 11.73 (0.06) | 202 | 32.46 | 173 | 27.66 | 188 | |
| Degree | 11.85 (0.09) | 127 | 11.92 (0.1) | 114 | 33.45 | 108 | 25.28 | 105 | |