Table 4.
Usual daily mean (SE) vitamin intakes by dietary supplement use, gender, and age group in U.S. children and adolescents, 2003–20061,2
| 2–8 y old
|
9–13 y old
|
14–18 y old
|
||||
|---|---|---|---|---|---|---|
| Non-users
|
Users-Total
|
Non-users
|
Users-Total
|
Non-users
|
Users-Total
|
|
| Male | n=1264 | n=1009 | n=1351 | |||
| Folate (DFE) | 535 (12) | 1049 (52)* | 592 (19) | 1428 (273)* | 641 (20) | 1250 (64)* |
| Vitamin B6 (mg) | 1.8 (0.1) | 3.1 (0.2)* | 1.9 (0.05) | 4.5 (0.9)* | 2.2 (0.1) | 8.8 (2.6)* |
| Vitamin B12 (μg) | 6.0 (0.2) | 11.6 (1.3)* | 6.1 (0.2) | 14.2 (2.4)* | 7.1 (0.3) | 18.3 (3.1)* |
| Vitamin A (RAE) | 664 (17) | 1525 (102)* | 678 (26) | 2201 (603)* | 628 (23) | 1558 (127)* |
| Vitamin C (mg) | 103 (5) | 186 (12)* | 80 (4) | 201 (24)* | 88 (6) | 257 (24)* |
| Vitamin D (μg) | 7.8 (0.2) | 15.6 (0.9)* | 6.3 (0.2) | 17.8 (3.7)* | 6.0 (0.2) | 13.1 (2.2)* |
| Vitamin E (ATE) | 5.6 (0.1) | 20.1 (2.0)* | 6.6 (0.2) | 28.3 (8.5)* | 7.3 (0.3) | 35.8 (6.3)* |
| Vitamin K (μg) | 48.6 (1.6) | 63.5 (7.2) | 57.9 (2.1) | 66.1 (6.0) | 64.5 (2.8) | 92.7 (7.9)* |
| Female | n=1337 | n=1039 | n=1250 | |||
| Folate (DFE) | 506 (14) | 1038 (115)* | 510 (15) | 1068 (92)* | 478 (13) | 953 (39)* |
| Vitamin B6 (mg) | 1.6 (0.1) | 2.9 (0.3)* | 1.6 (0.1) | 3.2 (0.3)* | 1.5 (0.04) | 4.8 (0.8)* |
| Vitamin B12 (μg) | 5.2 (0.1) | 12.0 (2.2)* | 4.9 (0.2) | 10.0 (1.3)* | 4.2 (0.1) | 13.4 (2.0)* |
| Vitamin A (RAE) | 574 (16) | 1536 (171)* | 531 (23) | 1548 (148)* | 460 (15) | 1427 (135)* |
| Vitamin C (mg) | 90 (3) | 169 (16)* | 74 (4) | 199 (24)* | 68 (3) | 245 (22)* |
| Vitamin D (μg) | 6.5 (0.3) | 15.8 (2.2)* | 5.2 (0.3) | 13.8 (1.7)* | 3.7 (0.2) | 11.4 (0.6)* |
| Vitamin E (ATE) | 5.1 (0.1) | 19.1 (2.4)* | 5.6 (0.2) | 21.4 (2.6)* | 5.6 (0.2) | 47.6 (17.8)* |
| Vitamin K (μg) | 49.8 (1.9) | 66.8 (7.7) | 58.3 (1.8) | 85.6 (25.1) | 59.4 (2.1) | 75.6 (7.6) |
DFE = Dietary Folate Equivalent; RAE = Retinol Activity Equivalent; ATE = Alpha Tocopherol Equivalent
1
Vitamin intakes for non-users of dietary supplements are from food sources only. Vitamin intakes for users of supplements represent the total intake from food sources and from dietary supplements.
2
Values presented as mean (SE). Significant differences are denoted by an asterisk at a Bonferroni-corrected P value ≤ 0.003.