Table 3.
Comparison of micronutrient status and serum T4 levels in adolescent Afghan refugees. Comparison was achieved by dividing participants into three equally-sized tertiles according to T4 levels
| Characteristics | T4 | ||||
|---|---|---|---|---|---|
| Overall | T1 | T2 | T3 | P-value | |
| Median (Q1, Q3) | 4.7(3.74,5.7) | 6.89(6.55,7.4) | 9.05(8.52,10.45) | ||
| All age groups | |||||
| Ferritin (ng/mL) | 39 (27, 61.4) | 39.1 (25.6, 62.6) | 37.7 (27.0, 59.5) | 39.4 (27.8, 57.3) | 0.92 |
| Folate (ng/mL) | 4.4 (3.4, 6.1) | 4.6 (3.6, 6.1) | 4.6 (3.4, 6.3) | 4.3 (3.3, 5.7) | 0.41 |
| Vitamin B12 (pg/mL) | 219 (157, 348) | 208.5 (159, 313) | 244.0 (150.0, 350.0) | 224.0 (158.0, 342.0) | 0.65 |
| Vitamin D (ng/mL) | 22.3 (16.2, 27.5) | 20.5 (15.0, 25.2) | 21.1 (13.9, 27.7) | 25.4 (20.0, 30.0) | 0.003 |
| Zinc (µg/L) | 787.1 (618.6, 932.1) | 805.5 (602.6, 1077.3) | 806.1 (639.5, 933.1) | 758.6 (593.7, 877.8) | 0.16 |
| Copper (µg/L) | 951.5 (790.8, 1146.7) | 928.5 (719.6, 1158.4) | 970.2 (828.1, 1153.3) | 956.3 (837.9, 1107.1) | 0.65 |
| Selenium (µg/L) | 71.1 (50.5, 91.3) | 69.4 (48.3, 95.7) | 69.9 (51.5, 84.4) | 73.7 (52.3, 95.0) | 0.53 |
| Age (10–14) | 13.1 (12.4, 13.8) | 13.1 (12.25, 13.85) | 13.1 (12.3, 13.7) | 13.1 (12.5, 13.7) | |
| Ferritin (ng/mL) | 37.7 (27.8, 51.6) | 35.8 (24.1, 51.4) | 37.4 (29.4, 52.1) | 39.4 (27.8, 54.7) | 0.64 |
| Folate (ng/mL) | 4.7 (3.6, 6.1) | 4.8 (3.6, 6.35) | 4.8 (3.6, 5.95) | 4.3 (3.6, 5.7) | 0.66 |
| Vitamin B12 (pg/mL) | 209 (155, 310) | 207.0 (155.5, 260.0) | 259.0 (148.0, 316.0) | 205.0 (156.0, 310.0) | 0.68 |
| Vitamin D (ng/mL) | 24.1 (7.3) | 22.0 (6.2) | 24.5 (7.8) | 25.8 (7.6) | 0.02 |
| Zinc (µg/L) | 789.6 (605.6, 934.4) | 884.0 (661.8, 1274.9) | 798.4 (630.1, 941.3) | 748.1 (593.7, 872.0) | 0.03 |
| Copper (µg/L) | 992 (824.6, 1146.8) | 971.6 (763.0, 1173.6) | 999.5 (839.2, 1132.3) | 974.6 (837.9, 1130.9) | 0.96 |
| Selenium (µg/L) | 72 (48.4, 91.4) | 78.9 (48.0, 109.7) | 61.9 (45.4, 79.9) | 72.5 (59.9, 87.5) | 0.49 |
| Age (15–18) | |||||
| Ferritin (ng/mL) | 48.3 (23.5, 79.8) | 60.7 (27.7, 92.2) | 48.3 (18.06, 63.7) | 44.3 (26.1, 82.6) | 0.48 |
| Folate (ng/mL) | 4 (3.1, 6.3) | 4.4 (3.3, 5.6) | 4 (3.3, 6.6) | 3.3 (2.6, 6.2) | 0.29 |
| Vitamin B12 (pg/mL) | 244 (170, 400) | 223.5 (178.5, 393.5) | 227.0 (170.0, 400.0) | 304.0 (170.0, 443.0) | 0.75 |
| Vitamin D (ng/mL) | 17.3 (12, 25.1) | 15.3 (12, 22.2) | 13.5 (11.5, 24.5) | 22.9 (17.3, 27.5) | 0.05 |
| Zinc (µg/L) | 784.5 (621.4, 905.2) | 724.7 (499.0, 838.3) | 821.9 (657.1, 909.1) | 783.8 (551.9, 941.0) | 0.36 |
| Copper (µg/L) | 926.1 (731.2, 1107.3) | 781.0 (630.7, 1081.0) | 937.7 (814.6, 1217.0) | 944.7 (731.2, 975.4) | 0.46 |
| Selenium (µg/L) | 70.6 (51.5, 89.5) | 58.2 (50.2, 71.1) | 75.3 (60.6, 93.3) | 84.9 (41.6, 111.1) | 0.02 |