β-globin genotypea | ||
---|---|---|
HbAA (n = 692) | HbAS (n = 102) | |
Mean length/height-for-age z-score (sd)b | 0.31 (± 1.22) | 0.33 (± 1.11) |
Clinical malaria (%) | ||
No | 678 (98.1) | 101 (98.0) |
Yes | 13 (1.9) | 1 (1.0) |
Breastfeeding (%) | ||
Exclusively | 594 (86.0) | 94 (92.2) |
Non-exclusively | 97 (14.0) | 8 (7.8) |
Mean birth-weight (sd), gc | 2996 (± 471) | 3085 (± 366) |
Ethnic group (%) | ||
Ashanti | 615 (89.4) | 88 (86.3) |
Northerner | 73 (10.6) | 14 (13.7) |
Mother's literacy (%) | ||
Literate | 620 (90.6) | 91 (91.0) |
Illiterate | 64 (9.4) | 9 (9.0) |
Mosquito protection (%) | ||
None | 290 (44.1) | 54 (57.4) |
Bed netsd | 234 (35.6) | 29 (30.9) |
Screens | 134 (20.4) | 11 (11.7) |
Financial situation (%) | ||
Good | 458 (70.5) | 66 (70.2) |
Poor | 192 (29.5) | 28 (29.8) |
α+-thalassemia (%) | ||
wild type | 506 (74.3) | 76 (75.2) |
heterozygotes | 159 (23.4) | 22 (21.8) |
homozygote deletion | 16 (2.3) | 3 (3.0) |
Study arm (%) | ||
IPTi | 345 (49.9) | 50 (49.0) |
Placebo | 347 (50.1) | 52 (51.0) |