Table 2. Anemia (stratified by age and sex) in three communes of the Bengo Province, Northern Angola.
| N | Mean Hb (SD) in g/L | Prevalence in % (and CI95) of anemia* | |
| Children (0.5–5 years) | 1203 | 105.4 (15.5) | 56.9 (54.0–59.7) |
| Girls | 619 | 106.8 (14.5) | 51.5 (47.5–55.5) |
| Boys | 584 | 104.0 (16.1) | 62.5 (58.4–66.4) |
| Children (6–12 years) | 946 | 116.2 (14.1) | 41.5 (38.4–44.8) |
| Girls | 464 | 115.9 (14.3) | 41.6 (37.1–46.2) |
| Boys | 482 | 116.4 (14.0) | 41.5 (37.1–46.0) |
| Teenagers (13–15 years) | 169 | 121.5 (13.3) | 43.8 (36.2–51.6) |
| Girls | 108 | 121.6 (11.4) | 43.5 (34.0–53.4) |
| Boys | 61 | 121.2 (16.2) | 44.3 (31.5–57.6) |
| Women (pregnant) | 131 | 110.1 (14.5) | 44.3 (35.6–53.2) |
| Women (non-pregnant) | 805 | 120.4 (14.5) | 44.5 (41.0–48.0) |
SD = standard deviation; CI95 = 95% confidence intervals;
*
anemia was classified according to age, as described in Methods.