Table 5.
The prevalence of inadequate mineral and vitamin intakes by dietary supplement use and age group in U.S. children and adolescents, 2003–20061,2
| 2–8 y old n=2,601 |
9–13 y old n=2,048 |
14–18 y old n=2,601 |
||||
|---|---|---|---|---|---|---|
| Non-users
|
Users
|
Non-users
|
Users
|
Non-users
|
Users
|
|
| Calcium (mg) | 23 (1) | 13 (2)* | 66 (2) | 46 (5)* | 67 (2) | 36 (5)* |
| Iron (mg) | 0.6 (0.1) | 0 | 0.4 (0.1) | 0* | 5.6 (0.5) | < 1 |
| Magnesium (mg) | 2 (0.3) | < 1 | 33 (2) | 18 (3)* | 84 (2) | 52 (5)* |
| Zinc (mg) | 0.2 (0.1) | 0 | 7.3 (1.0) | < 1* | 12.7 (1.4) | 1.7 (0.6)* |
| Phosphorus (mg) | < 1 | 0 | 29 (2) | 16 (4) | 29 (2) | 19 (4) |
| Copper (mg) | 0 | 0 | 1.6 (0.3) | <1 | 8.5 (0.8) | 2.1 (1.0)* |
| Selenium (μg) | 0 | 0 | < 1 | 0 | 1.1 (0.3) | 1.0 (0.7) |
| Folate (DFE) | < 1 | 0 | 2.4 (0.6) | <1* | 10.9 (1.3) | 1.1 (0.5)* |
| Vitamin B6 (mg) | < 1 | 0 | 2.6 (0.6) | <1* | 10 (1) | < 1* |
| Vitamin B12 (μg) | 0 | 0 | < 1 | 0 | 3.1 (0.6) | <1* |
| Vitamin A (RAE) | 5 (0.7) | < 1* | 30 (2) | 1.5 (0.7)* | 59 (2) | 5.9 (1.2)* |
| Vitamin C (mg) | 2 (0.4) | < 1* | 20 (1.7) | 1.7 (0.8)* | 42 (3) | 7.3 (1.2)* |
| Vitamin D (μg) | 81 (2) | 27 (3)* | 89 (1) | 32 (6)* | 93 (1) | 36 (4)* |
| Vitamin E (ATE) | 64 (2) | 3.7 (0.6)* | 89 (1) | 12 (4)* | 97 (1) | 21 (2)* |
1
Nutrient intakes for non-users of dietary supplements are from food sources only. Nutrient intakes for users of supplements represent the total intake from food sources and from dietary supplements.
2
Values presented as percentage (SE). Significant differences are denoted by an asterisk at a Bonferroni-corrected P value ≤ 0.003.