Basic characteristics at recruitment, stratified for β-globin genotypes
| β-Globin genotype . | HbAA (n = 774) . | HbAC (n = 106) . | HbCC (n = 2) . | HbAS (n = 110) . | HbCS (n = 12) . | HbSS (n = 6) . | Total (n = 1010) . |
|---|---|---|---|---|---|---|---|
| Genotype frequency, % | 76.6 | 10.5 | 0.2 | 10.9 | 1.2 | 0.6 | 100 |
| Male:female | 51:49 | 50:50 | 50:50 | 46:54 | 42:58 | 50:50 | 50:50 |
| Ethnicity, n (%) | |||||||
| Akan | 682 (88.1) | 80 (75.5) | 2 (100) | 95 (86.4) | 9 (75.0) | 4 (66.7) | 872 (86.3) |
| Northerners | 86 (11.1) | 25 (23.6) | 0 (0.0) | 15 (13.6) | 3 (25.0) | 1 (16.7) | 130 (12.9) |
| Others | 6 (0.8) | 1 (0.9) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 8 (0.8) |
| Mosquito protection,* % | 381 (54.6) | 46 (48.4) | 1 (50.0) | 43 (44.3) | 7 (63.6) | 2 (50.0) | 480 (52.9) |
| Born in the rainy season,† % | 365 (47.2) | 53 (50.0) | 1 (50.0) | 48 (43.6) | 5 (41.7) | 3 (50.0) | 475 (47.0) |
| Mother's age, y (mean ± SD) | 27.2 ± 6.3 | 28.1 ± 6.2 | 30.3 ± 5.5 | 27.1 ± 6.1 | 27.1 ± 5.5 | 26.1 ± 7.2 | 27.3 ± 6.3 |
| β-Globin genotype . | HbAA (n = 774) . | HbAC (n = 106) . | HbCC (n = 2) . | HbAS (n = 110) . | HbCS (n = 12) . | HbSS (n = 6) . | Total (n = 1010) . |
|---|---|---|---|---|---|---|---|
| Genotype frequency, % | 76.6 | 10.5 | 0.2 | 10.9 | 1.2 | 0.6 | 100 |
| Male:female | 51:49 | 50:50 | 50:50 | 46:54 | 42:58 | 50:50 | 50:50 |
| Ethnicity, n (%) | |||||||
| Akan | 682 (88.1) | 80 (75.5) | 2 (100) | 95 (86.4) | 9 (75.0) | 4 (66.7) | 872 (86.3) |
| Northerners | 86 (11.1) | 25 (23.6) | 0 (0.0) | 15 (13.6) | 3 (25.0) | 1 (16.7) | 130 (12.9) |
| Others | 6 (0.8) | 1 (0.9) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 8 (0.8) |
| Mosquito protection,* % | 381 (54.6) | 46 (48.4) | 1 (50.0) | 43 (44.3) | 7 (63.6) | 2 (50.0) | 480 (52.9) |
| Born in the rainy season,† % | 365 (47.2) | 53 (50.0) | 1 (50.0) | 48 (43.6) | 5 (41.7) | 3 (50.0) | 475 (47.0) |
| Mother's age, y (mean ± SD) | 27.2 ± 6.3 | 28.1 ± 6.2 | 30.3 ± 5.5 | 27.1 ± 6.1 | 27.1 ± 5.5 | 26.1 ± 7.2 | 27.3 ± 6.3 |