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Demographic data.
| Category | Male | Female | Total |
|---|---|---|---|
| Total sample | 2483 | 2338 | 4821 |
| Over 3 years of age | 1063 | 984 | 2047 |
| Unvaccinated by age 1 year | 345 | 288 | 633 (30.9%) |
| Vaccinated by age 1 year | 718 | 696 | 1414 (69.1%) |
| First vaccine after age 1 year | 64 | 39 | 103 (16.3%)a |
| Developmental delay | 140 | 57 | 197 (9.6%) |
| Asthma | 48 | 32 | 80 (3.9%) |
| Ear infection | 451 | 375 | 826 (40.4%) |
| Gastrointestinal disorder | 64 | 55 | 119 (5.8%) |
| Head injury | 83 | 63 | 146 (7.1%) |
Percentage of unvaccinated sample by age 1 year.
