Table 3.
Distribution of participants with a micronutrient intake above average requirement intake (>AR)
| Birth cohort | 1901–02 | 1911–12 | 1922 | 1930 | 1944 | 1901–02 | 1911–12 | 1922 | 1930 | 1944 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Examination years | 1971–72 | 1981–83 | 1992–93 | 2000–02 | 2014–16 | 1971–72 | 1981–83 | 1992–93 | 2000–02 | 2014–16 | ||||
| Women | n = 188 | n = 130 | n = 136 | n = 321 | n = 474 | χ2 | Men | n = 182 | n = 132 | n = 63 | n = 233 | n = 387 | χ2 | |
| >AR | n (%) | n (%) | n (%) | n (%) | n (%) | P value | >AR | n (%) | n (%) | n (%) | n (%) | n (%) | P value | |
| Vitamin D (μg) | > 7.5 μg | 36 (19) | 16 (12) | 32 (23) | 94 (29) | 244 (51) | < 0.0001 | > 7.5 μg | 61 (33) | 38 (29) | 29 (46) | 127 (54) | 262 (68) | < 0.0001 |
| Vitamin C (mg) | > 50 mg | 147 (78) | 100 (77) | 113 (83) | 289 (90) | 452 (95) | < 0.0001 | > 60 mg | 119 (65) | 81 (61) | 45 (71) | 192 (82) | 348 (90) | < 0.0001 |
| B12 (μg) | > 1.4 μg | 188 (100) | 129 (99) | 135 (99) | 320 (99) | 474 (100) | 0.334 | > 1.4 μg | 182 (100) | 132 (100) | 63 (100) | 233 (100) | 387 (100) | 0.839 |
| Folate (μg) | > 200 μg | 93 (49) | 69 (53) | 87 (64) | 253 (79) | 448 (94) | < 0.0001 | > 200 μg | 127 (70) | 93 (70) | 51 (81) | 205 (88) | 365 (94) | < 0.0001 |
| Iron (mg) | > 6 mg | 184 (98) | 126 (97) | 135 (99) | 318 (99) | 457 (96) | 0.094 | > 7 mg | 178 (98) | 128 (97) | 63 (100) | 232 (99) | 380 (98) | 0.260 |
| Calcium (mg) | > 500 mg | 170 (90) | 124 (95) | 132 (97) | 312 (97) | 463 (98) | 0.0003 | > 500 mg | 171 (94) | 127 (96) | 60 (95) | 228 (98) | 377 (97) | 0.187 |