Table 6.
Boys (n = 1236) | Girls (n = 1203) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
n | ES 1st-3rd (309) (%) | ES 4th-6th (309) (%) | JHS (309) (%) | HS (309) (%) | p | n | ES 1st-3rd (281) (%) | ES 4th-6th (304) (%) | JHS (309) (%) | HS (309) (%) | p-value | |
Vitamin/Mineral | ||||||||||||
Multi-vitamins and minerals | 28 | 2.3 | 1.9 | 3.6 | 1.3 | 0.28 | 36 | 3.6 | 2.0 | 3.2 | 3.2 | 0.68 |
Multi-vitamins | 97 | 7.1 | 6.1 | 10.0 | 8.1 | 0.32 | 116 | 7.5 | 8.9 | 7.4 | 14.6 | 0.01 |
Individual vitamin | 122 | 10.7 | 9.1 | 7.8 | 12.0 | 0.32 | 174 | 12.1 | 14.1 | 12.6 | 18.8 | 0.08 |
Multi-minerals | 7 | 0.0 | 1.3 | 0.6 | 0.3 | - | 31 | 2.1 | 2.3 | 1.6 | 4.2 | 0.19 |
Individual mineral | 229 | 17.8 | 16.8 | 22.3 | 17.2 | 0.26 | 240 | 14.9 | 14.5 | 23.3 | 26.5 | <0.01 |
Any type | 409 | 32.4 | 31.1 | 37.5 | 31.4 | 0.28 | 505 | 36.3 | 35.2 | 42.1 | 53.7 | <0.01 |
Non-Vitamin, Non-Mineral | ||||||||||||
Growth-promoting | 214 | 15.9 | 23.9 | 20.4 | 9.1 | <0.01 | 115 | 12.1 | 13.8 | 11.3 | 1.3 | <0.01 |
Protein/ Amino acid | 235 | 7.1 | 14.9 | 20.7 | 33.3 | <0.01 | 71 | 4.6 | 5.6 | 8.4 | 4.9 | 0.17 |
Probiotics | 91 | 7.8 | 10.0 | 6.5 | 5.2 | 0.12 | 90 | 10.7 | 8.6 | 6.1 | 4.9 | 0.04 |
n-3 PUFA | 76 | 5.5 | 5.8 | 6.5 | 6.8 | 0.91 | 52 | 4.3 | 4.3 | 3.9 | 4.9 | 0.95 |
Cod liver oil | 60 | 12.9 | 3.9 | 1.3 | 1.3 | <0.01 | 54 | 12.8 | 3.3 | 1.6 | 1.0 | <0.01 |
Aojiru 1 | 42 | 5.5 | 3.9 | 2.3 | 1.9 | 0.06 | 51 | 6.0 | 4.6 | 3.6 | 2.9 | 0.26 |
Blueberry/Lutein | 46 | 1.9 | 4.2 | 4.5 | 4.2 | 0.30 | 49 | 2.1 | 3.6 | 6.8 | 3.6 | 0.03 |
Weight loss | 2 | 0.0 | 0.0 | 0.3 | 0.3 | - | 9 | 0.4 | 0.0 | 0.3 | 2.3 | - |
Others | 306 | 24.9 | 22.7 | 22.7 | 28.8 | 0.24 | 407 | 23.8 | 32.9 | 36.2 | 41.4 | <0.01 |
ES: Elementary School, JHS: Junior High School, HS: High School, PUFA: polyunsaturated fatty acid; 1 A powdered drink mix made from green leafy vegetables such as young leaves of Angelica keiskei (Miq.) Koidz and Barley, and Brassica oleracea L. var. acephala DC; Note: Multiple answers. Statistical analyses were conducted among groups using a chi-square test.