BMI categories | Unweighted | Weighted | |||
Total population size (95% CI) | Population size (95% CI) | Percentage (95% CI) | |||
Total sample | Vitamin B12 deficiency n (%) | Vitamin B12 deficiency | |||
Healthy weight | 1139 | 24 (2.1) | 6 000 055 (5 503 707 to 6 496 404) | 107 651 (40 802 to 174 500) | 1.8 (1.0 to 3.3) |
Overweight | 1348 | 26 (1.9) | 5 686 218 (5 278 957 to 6 093 478) | 152 180 (79 362 to 224 997) | 2.7 (1.7 to 4.3) |
Obesity class I | 677 | 17 (2.5) | 2 590 723 (2 317 501 to 2 863 946) | 22 933 (8427 to 37 439) | 0.9 (0.5 to 1.7) |
Obesity class II/III | 344 | 11 (3.2) | 1 273 228 (1 068 895 to 1 477 561) | 36 121 (6779 to 65 464) | 2.8 (1.3 to 6.3) |
Iron deficiency | |||||
Healthy weight | 1114 | 174 (15.6) | 5 853 716 (5 363 571 to 6 343 861) | 1 111 411 (871 590 to 1 351 232) | 19.0 (15.6 to 22.9) |
Overweight | 1296 | 92 (7.1) | 5 508 235 (5 103 583 to 5 912 888) | 536 857 (371 003 to 702 711) | 9.7 (7.3 to 13.0) |
Obesity class I | 628 | 49 (7.8) | 2 408 090 (2 142 763 to 2 673 416) | 169 332 (104 863 to 233 801) | 7.0 (4.8 to 10.1) |
Obesity class II/III | 274 | 33(12) | 1 006 252 (831 210 to 1 181 293) | 149 446 (54 577 to 244 315) | 14.9 (8.3 to 25.2) |
Anaemia | |||||
Healthy weight | 1132 | 49 (4.3) | 5 960 931 (5 465 256 to 6 456 606) | 239 944 (142 194 to 337 693) | 4.0 (2.7 to 6.0) |
Overweight | 1347 | 69 (5.1) | 5 652 929 (5 249 347 to 6 056 511) | 357 008 (248 267 to 465 749) | 6.3 (4.7 to 8.5) |
Obesity class I | 674 | 31 (4.6) | 2 580 973 (2 308 165 to 2 853 781) | 100 518 (50 753 to 150 284) | 3.9 (2.4 to 6.3) |
Obesity class II/III | 343 | 25 (7.3) | 1 272 005 (1 067 677 to 1 476 332) | 84 635 (42 636 to 126 633) | 6.7 (4.0 to 10.8) |
Vitamin D deficiency | |||||
Healthy weight | 1132 | 240 (21.2) | 5 966 002 (5 470 403 to 6 461 600) | 1 527 668 (1 239 583 to 1 815 752) | 25.6 (21.7 to 29.9) |
Overweight | 1347 | 276 (20.6) | 5 658 855 (5 252 029 to 6 065 680) | 1 343 023 (1 116 728 to 1 569 318) | 23.7 (20.4 to 27.4) |
Obesity class I | 674 | 145 (21.7) | 2 569 992 (2 297 036 to 2 842 949) | 599 834 (437 327 to 762 341) | 23.3 (18.4 to 29.1) |
Obesity class II/III | 343 | 93 (27.3) | 1 261 575 (1 057 632 to 1 465 518) | 422 007 (273 860 to 570 153) | 33.5 (25.3 to 42.7) |
Vitamin B12 deficiency, vitamin B12 <145 pmol /L; iron deficiency, serum ferritin <30 ng/L; anaemia, haemoglobin <120 g/L for non-pregnant females and <130 g/L for males; vitamin D deficiency, vitamin D <50 nmol/L.
BMI, body mass index; NNPAS, National Nutrition and Physical Activity Survey.