Characteristic | Iron | Control |
---|---|---|
Sample size | 163 | 144 |
Demographic and socioeconomic | ||
 Mean age, years [IQR] | 17.0 [16.0–18.0] | 17.0 [16.0–18.0] |
 Age < 20, n (%) | 145/163 (89) | 134/144 (93) |
 Age < 17, n (%) | 62/163 (38) | 65/144 (45) |
 Reproductive Age, years [IQR] | 4 [3–5] | 3 [2–4] |
 Ethnic Group Mossi, n (%) | 159/163 (98) | 141/144 (98) |
 Religion | ||
  Muslim | 49/163 (30) | 36/143 (25) |
  Christian | 97/163 (53) | 66/143 (56) |
 Traditional | 27/163 (17) | 41/143 (29) |
 No education, n (%) | 109/162 (67) | 91/144 (63) |
 Primary education, n (%) | 34/162 (21) | 22/144 (15) |
 Lower and higher secondary, n (%) | 19/162 (12) | 31/144 (22) |
 Literate, n (%) | 45/161 (28) | 46/143 (32) |
 Occupation | ||
  Studenta | 41/163 (25) | 39/144 (27) |
  Trading | 7/163 (4) | 7/144 (5) |
  Domestic | 101/163 (62) | 74/144 (51) |
  Farmer | 75/163 (46) | 58/144 (40) |
 Unmarried, n (%) | 145/163 (89) | 133/144 (92) |
Bed net use to ANC1, %, median [IQR]b | 63 [50–83] [2 missing] | 67 [47–84] [1 missing] |
Clinical | ||
 Menarcheal, n (%) | 155/163 (95) | 133/144 (92) |
 Sexually active, n (%) | 67/163 (41) | 48/144 (33) |
 Height, cms [IQR] | 160 [156–164] | 159 [155–163] |
 Weight, kg [IQR] | 51.4 [47.8–54.7] | 50.9 [46.7–55.5] |
 BMI, kg/m2 [IQR] | 20.0 [18.9–21.1] | 20.2 [18.9–21.0] |
 BMI < 18.5 kg/m2, n (%) | 29/163 (18) | 28/144 (19) |
 MUAC, cms [IQR] | 24.1 [22.9–25.2] | 24.2 [22.8–25.4] |
Iron biomarkers | ||
 Median Plasma CRP, mg/l [IQR] | 0.59 [0.25–1.62] [5 missing] | 0.68 [0.24–1.70] [2 missing] |
 CRP > 5 mg/l, n (%) | 13/158 (8) | 14/142 (10) |
 CRP > 10 mg/l, n (%) | 5/158 (3) | 7/142 (5) |
 Median ferritin, µg/l [IQR] | 51.50 [28.00–78.75] [4 missing] | 46.00 [24.00–85.00] [3 missing] |
 Median sTfR, mg/l [IQR] | 6.13 [5.06–7.63] [3 missing] | 6.33 [5.22–8.31] [3 missing] |
 Median sTfRr/log ferritin ratio | 3.72 [2.89–5.25] [4 missing] | 3.84 [2.84–5.83] [3 missing] |
 Iron deficiency (adj ferritin), n (%)c | 16/157 (10) [6 missing] | 21/141 (15) [3 missing] |
 Iron deficiency (sTfR/log ferritin), n (%)d | 33/159 (21) [4 missing] | 42/141 (30) [3 missing] |
Antenatal care | ||
 First study visit (ANC1) | 149/163 (91) | 137/144 (95) |
 Second study visit (ANC2) | 123/163 (76) | 120/144 (83) |
 Median total ANC visits [IQR]e | 4.00 [3.00–5.00] | 4.00 [3.00–5.00] |
 Median IPTp doses, IQR | 2.00 [1.00–2.00] | 2.00 [2.00–2.00] |
 ≥ One IPTp dose n/N (%) | 153/163 (94) | 140/144 (97) |
 ≥ Two IPTp dose, n/N (%) | 109/163 (67) | 114/144 (79) |