All subjects (n = 337) | Supplement users (n = 97) | Non-supplement users (n = 240) | ||||
---|---|---|---|---|---|---|
n (%) | Mean ± SD | n(%) | Mean ± SD | n(%) | Mean ± SD | |
Food,3 mg | 12.5 ± 3.9 | 13.0 ± 3.9 | 12.4 ± 3.8 | |||
Supplements,4 mg | 18.4 ± 38.8 | 63.8 ± 48.3 | - | |||
Total iron intake5, mg | 30.9 ± 39.2 | 76.9 ± 48.5a2 | 12.4 ± 3.8b | |||
< 24 | 256 (76.0) | 12.6 ± 3.9 | 18 (18.6) | 17.9 ± 4.12a | 238 (99.2) | 12.2 ± 3.6b |
24 ~ < 45 | 18 (5.3) | 33.9 ± 6.2 | 16 (16.5) | 34.8 ± 5.9a | 2 (0.8) | 26.8 ± 3.5a |
≥ 45 | 63 (18.7) | 104.4 ± 37.4 | 63 (64.9) | 104.4 ± 37.4 | 0 | |
1st tertile (< 11.49) | 112 (33.3) | 9.3 ± 1.7 | 1 (1.0) | - | 111 (46.3) | 9.2 ± 1.7 |
2nd tertile (11.49 ~ 17.04) | 113 (33.5) | 14.0 ± 1.6 | 8 (8.3) | 15.1 ± 1.7a | 105 (43.8) | 13.9 ± 1.5b |
3rd tertile (>17.04) | 112 (33.2) | 69.7 ± 48.7 | 88 (90.7) | 83.2 ± 46.4a | 24 (10.0) | 20.2 ± 3.0b |