Table 1.
Population Characteristics of Infants With Pneumonia or Influenza-like Illness by Testing Status
| Characteristic | Infants/Specimens Tested for RSV | Infants/Specimens Not Tested for RSV |
|---|---|---|
| Maternal characteristics, No. | 494 | 839 |
| Age, y, mean (SD) | 25.0 (5.99) | 24.8 (5.94) |
| Less than primary education | 416 (84.2%) | 686 (81.8%) |
| Primary or more education | 78 (15.8%) | 153 (18.24%) |
| Parity, mean (SD) | 3.2 (2.05) | 3.3 (2.12) |
| Wealth index, mean (SD)a | 0.12 (3.35) | 0.06 (3.50) |
| Influenza vaccine arm | 248 (50.2%) | 414 (49.3%) |
| Infant characteristics, No. | 494 | 839 |
| Male sex | 253 (51.2%) | 424 (50.5%) |
| Gestational age at birth, wk, mean (SD) | 39.5 (2.37) | 39.5 (2.12) |
| Birth weight, g, mean (SD) | 3055 (459) | 3069 (418) |
| Receipt of standard vaccinesb at 6 wk, % | 90.3% | 93.1% |
| Illness characteristics, No. | 918 | 1693 |
| Fever without a source | 19 (2.1%) | 12 (0.7%) |
| Fever + acute respiratory infection | 784 (85.4%) | 1681 (99.3%) |
| Pneumonia | 115 (12.5%) | 0 (0.0%) |
Data are presented as No. (%) unless otherwise indicated. Influenza-like illness is defined as either presence of fever without a source or presence of fever plus symptoms of acute respiratory infection.
Abbreviations: RSV, respiratory syncytial virus; SD, standard deviation.
aWealth index calculated using principal components analysis to have a population mean of 0.0 (SD, 3.6).
bIn Mali, infants receive diphtheria-pertussis-tetanus/Haemophilus influenzae type b/hepatitis vaccine, oral polio vaccine, and pneumococcal conjugate vaccine at 6 weeks.