TABLE 3.
Incidence and longitudinal prevalence of morbidity in Malawian children from 6 to 7 mo (n = 551) and 6 to 12 mo (n = 583)
| Illness | Timeframe | Percentage of children without illness | Incidence1,2 | Longitudinal prevalence2,3 |
|---|---|---|---|---|
| Any illness | 6 to 7 mo | 41 | 3.6 (0, 6.9) | 9.7 (0, 25.8) |
| 6 to 12 mo | 3 | 3.4 (1.9, 5.7) | 12.9 (6.4, 23.8) | |
| Fever | 6 to 7 mo | 69 | 0 (0, 3.4) | 0 (0, 6.2) |
| 6 to 12 mo | 24 | 1.1 (0.5, 2.2) | 3.4 (0.6, 7.2) | |
| Diarrhea | 6 to 7 mo | 84 | 0 (0, 0) | 0 (0, 0) |
| 6 to 12 mo | 41 | 0.6 (0, 1.7) | 1.3 (0, 4.5) | |
| Acute respiratory infection | 6 to 7 mo | 51 | 0 (0, 4.8) | 3.2 (0, 22.6) |
| 6 to 12 mo | 7 | 2.4 (1.2, 4.0) | 9.4 (4.0, 17.5) | |
| Lost appetite | 6 to 7 mo | 83 | 0 (0, 0) | 0 (0, 0) |
| 6 to 12 mo | 39 | 0.6 (0, 1.3) | 1.7 (0, 5.0) |
1
The number of new episodes of symptoms that followed ≥2 symptom-free days within the follow-up period.
2
Values are median (25th, 75th percentile).
3
The percentage of days of illness symptoms within the days morbidity data were available for each symptom.