Risk Factors for Recurrent Respiratory Infections in Preschool Children in China

Objective: to identify and compare risk factors for recurrent respiratory infections in preschool children between resident and floating population in yiwu, china. methods: investigations was conducted in resident and floating population in yiwu city, zhejiang province. a structured questionnaire was used to collect information on influence factors. univariate and multivariate analyses were carried out using the binary logistic regression. findings: the study was conducted in yiwu from june 2009 to september 2010. we recruited 844 participants，resident population 639（75.7%） and floating population 205（24.3%） who were preschool children. multivariate analysis showed that childbearing age (or=0.93, 95%ci: 0.88-0.99), asthma (or=3.20, 95%ci: 1.60-6.45), rickets (or=5.30, 95%ci: 1.99-14.09), food preference (or=1.57, 95%ci: 1.02-2.43), snack (or=1.50, 95%ci: 1.07-2.07) were the influence factors for recurrent respiratory infections in resident preschool children. infant feeding (or=2.24, 95%ci: 1.31-3.81), snack (or=2.06, 95%ci: 1.07-3.98,), trip mode (or=2.77, 95%ci: 1.11-6.94) were the influence factors for recurrent respiratory infections in floating preschool children. conclusion: public health measures against risk factors should be taken to protect against recurrent respiratory infections in resident and floating preschool children respectively.