Analysis of the related factors of pertussis incidence among children in Shapingba District,Chongqing
Objective To identify related factors for pertussis among children in Shapingba District,Chongqing,so as to pro-vide a scientific basis for optimizing pertussis epidemic prevention and control measures.Methods From January to May 2024,newly diagnosed cases of pertussis in hospitals within the jurisdiction of Shapingba District,Chongqing were selected as the case group,and the cases of control group were selected according to the 1∶1 matching principle(living on the same street as the case,of the same gender as the case,and with an age difference of no more than 1 year).A total of 200 children in the case group and 200 children in the control were included,and a self-designed pertussis questionnaire for children aged 0-12 years was used for in-vestigation.A conditional Logistic regression model was used to analyze the influencing factors of pertussis incidence.Results Multivariate conditional Logistic analysis showed that family members smoking,children coming into contact with people with cough symptoms 21 d before the onset of the disease,and caregivers visiting densely populated areas 21 d before the onset of the disease had a higher risk of pertussis in children[OR(95％CI)=1.97(1.00-3.86),11.23(5.27-23.95),9.57(3.16-28.99)],and larger residential areas(100-150,＞150 m2)and children washing their hands after going out and returning home had a lower risk of per-tussis in children[OR(95％CI)=0.57(0.21-0.96),0.38(0.18-0.74),0.13(0.02-0.61)](P＜0.05).Conclusions The incidence of pertussis in children in Shapingba District,Chongqing is mainly affected by exposure,living area,and hand hygiene before the onset of the disease.Therefore,health education on non-specific public health measures such as hand hygiene,wearing masks,fre-quent ventilation and reducing access to densely populated places should be strengthened to reduce the incidence of pertussis in children.
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