Table 2.
Mean | UL (ages 15–17) | Mean Difference | UL (age 18) | Mean Difference | Within UL | Sig. | |
---|---|---|---|---|---|---|---|
Minerals | |||||||
Calcium (mg/day) | 1118 | N.D. | N.D. | 2500 | N.D. | Yes | <0.01 a,c |
Copper (mg/day) | 2.2 | 4 | –1.8 | 5 | –2.8 | Yes | <0.01 a,c |
Iodine (μg/day) | 131 | 500 | –369 | 600 | –469 | Yes | <0.01 a,c |
Folates (μg/day) | 390 | 800 | –410 | 1000 | –610 | Yes | <0.01 a,c |
Magnesium (mg/day) | 371 | 250 d | 121 | 250 d | 121 | No | <0.01 a,c |
Selenium (μg/day) | 47 | 250 | –203 | 300 | –253 | Yes | <0.01 a,c |
Zinc (mg/day) | 15 | 22 | –7 | 25 | –10 | Yes | <0.01 a,c |
Vitamins | |||||||
Vitamin A (μg/day) | 981 ‡ | 2600 | –1619 | 3000 | –2019 | Yes | <0.01 b,c |
Vitamin B6 (mg/day) | 3 | 20 | –17 | 25 | –22 | Yes | <0.01 a,c |
Vitamin D (μg/day) | 8 | 100 | –92 | 100 | –92 | Yes | <0.01 a,c |
UL, tolerable upper intake level; mg, milligrams; N.D., no data; μg, micrograms; EFSA, European Food Safety Authority.
One-Sample t Test.
One-Sample Wilcoxon Signed Rank Test.
Result is significant for both UL (15–17), and UL (18).
Does not include magnesium naturally present in food or beverages.
Median.