Table 3.
Serum folate, serum vitamin B12, serum ferritin and blood haemoglobin levels and deficiency with age, parity and current pregnancy and lactation status
| Folate, ng/ml | Vitamin B12, pg/ml | Ferritin, ng/ml | Haemoglobin, gm/dl | |
|---|---|---|---|---|
| Median (IQR) | ||||
| Age group | ||||
| 15-19 | 4.1 (2.7 – 6.4) | 225.0 (140.0 – 367.5) | 6.0 (5.0 – 15.0) | 12.5 (10.8 – 13.8) |
| 20-24 | 1.9 (1.0 – 4.3) | 232.5 (119.8 – 232.5) | 16.4 (9.1 – 31.6) | 12.0 (10.7 – 13.5) |
| 25-29 | 1.8 (1.0 – 4.4) | 228.0 (107.0 – 435.0) | 14.7 (8.1 – 26.4) | 12.1 (10.7 – 13.6) |
| 30-35 | 1.8 (1.0 – 2.8) | 228.5 (100.0 – 400.3) | 17.3 (8.7 – 31.6) | 11.9 (10.3 – 13.5) |
| Parity | ||||
| 0 | 3.7 (2.3 – 6.0) | 220.0 (126.0 – 372.0) | 8.3 (5.0 – 20.5) | 12.1 (10.6 – 13.6) |
| 1 | 2.1 (1.2 – 4.8) | 235.0 (121.0 – 418.0) | 17.6 (9.4 – 28.0) | 11.8 (10.6 – 13.5) |
| 2to3 | 1.6 (1.0 – 3.0) | 235.0 (120.0 – 421.0) | 16.0 (8.6 – 32.9) | 12.4 (11.1 – 13.7) |
| > 3 | 1.0 (1.0 – 2.5) | 257.0 (101.0 – 468.0) | 15.4 (9.1 – 20.1) | 11.8 (10.1 – 13.7) |
| Current status | ||||
| Not pregnant/lactating | 2.8 (1.5 – 4.7) | 226.0 (120.0 – 390.0) | 9.4 (5.0 – 22.0) | 12.2 (10.7 – 13.7) |
| Currently pregnant | 4.3 (2.1 – 10.0) | 218.0 (119.0 – 395.5) | 15.0 (8.8 – 30.1) | 11.3 (9.9 – 12.6) |
| Currently lactating | 1.3 (1.0 – 2.1) | 250.5 (131.3 – 385.5) | 19.3 (11.2 – 37.9) | 12.7 (11.4 – 13.9) |
| Deficiency % (95% C.I.) | ||||
| Age group | ||||
| 15-19 | 31.8 (26.8 – 37.2) | 45.1 (39.6 – 50.7) | 68.5 (63.1 – 73.5) | 26.9 (22.3 – 32.2) |
| 20-24 | 66.6 (61.4 – 71.4) | 43.8 (38.6 – 49.1) | 34.0 (29.2 – 39.3) | 29.2 (24.4 – 34.4) |
| 25-29 | 64.8 (57.9 – 71.2) | 45.2 (38.4 – 52.2) | 40.9 (34.3 – 47.9) | 28.8 (22.8 – 35.6) |
| 30-35 | 77.6 (69.7 – 83.9) | 43.3 (35.1 – 51.8) | 33.8 (26.3 – 42.3) | 29.7 (22.4 – 38.2) |
| Parity | ||||
| 0 | 40.2 (35.7 – 44.9) | 46.8 (42.2 – 51.5) | 61.1 (56.3 – 65.4) | 29.4 (25.2 – 33.9) |
| 1 | 61.6 (54.7 – 68.0) | 43.3 (36.7 – 50.3) | 30.5 (24.6 – 37.2) | 31.4 (25.2 – 38.4) |
| 2 | 74.9 (69.7 – 79.5) | 42.6 (37.1 – 48.2) | 36.5 (31.3 – 42.2) | 24.1 (19.5 – 29.3) |
| > 3 | 82.8 (64.3 – 92.8) | 37.9 (22.1 – 56.8) | 44.8 (27.8 – 63.1) | 37.9 (22.2 – 56.8) |
| Current status | ||||
| Not pregnant/lactating | 54.0 (50.0 – 58.0) | 45.0 (41.0 – 49.0) | 55.7 (51.7 – 59.7) | 27.8 (24.3 – 31.5) |
| Currently pregnant | 36.8 (30.1 – 44.0) | 45.9 (38.9 – 53.2) | 36.8 (30.1 – 44.0) | 42.1 (34.9 – 49.7) |
| Currently lactating | 84.2 (78.4 – 88.7) | 41.3 (34.6 – 48.4) | 26.5 (20.8 – 33.2) | 18.1 (13.2 – 24.3) |