Table 3 Serum folate, serum vitamin B12, serum ferritin and blood haemoglobin levels and deficiency with age, parity and current pregnancy and lactation status

4.1 (2.7 – 6.4)

225.0 (140.0 – 367.5)

6.0 (5.0 – 15.0)

12.5 (10.8 – 13.8)

1.9 (1.0 – 4.3)

232.5 (119.8 – 232.5)

16.4 (9.1 – 31.6)

12.0 (10.7 – 13.5)

1.8 (1.0 – 4.4)

228.0 (107.0 – 435.0)

14.7 (8.1 – 26.4)

12.1 (10.7 – 13.6)

1.8 (1.0 – 2.8)

228.5 (100.0 – 400.3)

17.3 (8.7 – 31.6)

11.9 (10.3 – 13.5)

3.7 (2.3 – 6.0)

220.0 (126.0 – 372.0)

8.3 (5.0 – 20.5)

12.1 (10.6 – 13.6)

2.1 (1.2 – 4.8)

235.0 (121.0 – 418.0)

17.6 (9.4 – 28.0)

11.8 (10.6 – 13.5)

1.6 (1.0 – 3.0)

235.0 (120.0 – 421.0)

16.0 (8.6 – 32.9)

12.4 (11.1 – 13.7)

1.0 (1.0 – 2.5)

257.0 (101.0 – 468.0)

15.4 (9.1 – 20.1)

11.8 (10.1 – 13.7)

2.8 (1.5 – 4.7)

226.0 (120.0 – 390.0)

9.4 (5.0 – 22.0)

12.2 (10.7 – 13.7)

4.3 (2.1 – 10.0)

218.0 (119.0 – 395.5)

15.0 (8.8 – 30.1)

11.3 (9.9 – 12.6)

1.3 (1.0 – 2.1)

250.5 (131.3 – 385.5)

19.3 (11.2 – 37.9)

12.7 (11.4 – 13.9)

31.8 (26.8 – 37.2)

45.1 (39.6 – 50.7)

68.5 (63.1 – 73.5)

26.9 (22.3 – 32.2)

66.6 (61.4 – 71.4)

43.8 (38.6 – 49.1)

34.0 (29.2 – 39.3)

29.2 (24.4 – 34.4)

64.8 (57.9 – 71.2)

45.2 (38.4 – 52.2)

40.9 (34.3 – 47.9)

28.8 (22.8 – 35.6)

77.6 (69.7 – 83.9)

43.3 (35.1 – 51.8)

33.8 (26.3 – 42.3)

29.7 (22.4 – 38.2)

40.2 (35.7 – 44.9)

46.8 (42.2 – 51.5)

61.1 (56.3 – 65.4)

29.4 (25.2 – 33.9)

61.6 (54.7 – 68.0)

43.3 (36.7 – 50.3)

30.5 (24.6 – 37.2)

31.4 (25.2 – 38.4)

74.9 (69.7 – 79.5)

42.6 (37.1 – 48.2)

36.5 (31.3 – 42.2)

24.1 (19.5 – 29.3)

82.8 (64.3 – 92.8)

37.9 (22.1 – 56.8)

44.8 (27.8 – 63.1)

37.9 (22.2 – 56.8)

54.0 (50.0 – 58.0)

45.0 (41.0 – 49.0)

55.7 (51.7 – 59.7)

27.8 (24.3 – 31.5)

36.8 (30.1 – 44.0)

45.9 (38.9 – 53.2)

36.8 (30.1 – 44.0)

42.1 (34.9 – 49.7)

84.2 (78.4 – 88.7)

41.3 (34.6 – 48.4)

26.5 (20.8 – 33.2)

18.1 (13.2 – 24.3)