Risk factors for death from influenza A(H1N1)pdm09 associated with Severe Acute Respiratory Illness in adults ^a, metropolitan regions of São Paulo and Campinas, state of São Paulo, Brazil, 2009.

a≥ 18 years; bsignificant variables in the final multiple logistic regression model. Hosmer-Lemeshow test = 0.854 c risk conditions for severity of the disease dReference category (absence) e grouped according to occupational pyramid of influenza risk. Low risk included those with no occupation. Risk factors for death from influenza A(H1N1)pdm09 associated with Severe Acute Respiratory Illness in adults a, metropolitan regions of São Paulo and Campinas, state of São Paulo, Brazil, 2009.