Table 3.
Usual daily mean (SE) mineral 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
|
Non-users
|
Users
|
Non-users
|
Users
|
|
| Males | n=1264 | n=1009 | n=1351 | |||
| Calcium (mg) | 1104 (22) | 1213 (36) | 1081 (31) | 1243 (36)* | 1151 (32) | 1490 (97)* |
| Iron (mg) | 14.7 (0.3) | 27.6 (1.6)* | 17.3 (0.4) | 30.8 (2.4)* | 19.1 (0.5) | 31.5 (1.3)* |
| Magnesium (mg) | 237 (4) | 246 (9)* | 260 (6) | 283 (14) | 281 (7) | 377 (21)* |
| Zinc (mg) | 11.3 (0.2) | 19.1 (1.1)* | 12.7 (0.3) | 21.9 (1.3)* | 14.9 (0.4) | 26.1 (1.3)* |
| Phosphorus (mg) | 1277 (19) | 1334 (42) | 1418 (25) | 1427 (67) | 1562 (40) | 1875 (144)* |
| Copper (mg) | 1.1 (0.02) | 2.5 (0.2)* | 1.2 (0.03) | 2.6 (0.2)* | 1.3 (0.03) | 2.9 (0.2)* |
| Selenium (μg) | 88 (1) | 107 (7) | 108 (3) | 118 (10) | 127 (3) | 180 (11)* |
| Females | n=1337 | n=1039 | n=1250 | |||
| Calcium (mg) | 942 (21) | 1119 (36)* | 911 (29) | 1161 (77)* | 794 (19) | 1188 (68)* |
| Iron (mg) | 13.3 (0.3) | 25.7 (1.9)* | 13.9 (0.3) | 25.7 (1.7)* | 13.5 (0.3) | 28.5 (2.3)* |
| Magnesium (mg) | 207 (4) | 233 (7)* | 217 (4) | 274 (17)* | 204 (4) | 286 (13)* |
| Zinc (mg) | 9.6 (0.2) | 17.3 (1.0)* | 10.5 (0.2) | 18.7 (1.7)* | 9.9 (0.2) | 19.2 (0.8)* |
| Phosphorus (mg) | 1127 (22) | 1250 (57) | 1166 (29) | 1413 (69)* | 1101 (25) | 1170 (57) |
| Copper (mg) | 0.9 (0.02) | 2.4 (0.2)* | 1.0 (0.02) | 2.3 (0.1)* | 1.0 (0.02) | 2.3 (0.1)* |
| Selenium (μg) | 81 (1) | 107 (8)* | 90 (2) | 114 (27) | 88 (2) | 115 (6)* |
1
Mineral intakes for non-users of dietary supplements are from food sources only. Mineral 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.