Volume 15, Number 3—March 2009
Prevalence and Seasonality of Influenza-like Illness in Children, Nicaragua, 2005–2007
|Characteristic||Crude RR†||95% CI||Adjusted RR†‡||95% CI|
*RR, relative risk; CI, confidence interval; Ref, reference.
†The measure of RR used is the incidence rate ratio.
‡Multivariate model included sex, age, and asthma status.
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