Variables | Mean±SD/no (%) |
Patient age (range 3 months–14 years, median 2 years) | 4.4±2.8 years |
Case definition | |
Clinically compatible case | 72 (62.7) |
Probable case | 33 (28.7) |
Laboratory-confirmed case | 10 (8.6) |
Sex | |
Male | 61 (53.0) |
Female | 54 (46.9) |
Socioeconomic status | |
Income <US$1500/year | 58 50.4) |
Income US$1500–4500/year | 49 (42.6) |
Income >US$4500/year | 9 (7.8) |
Maternal vaccination status | 0 |
Maternal infection status | |
1st trimester | 32 (27.8) |
2nd trimester | 15 (13.0) |
3rd trimester | 3 (2.6) |
Unknown/no history | 75 (65.2) |