| Objective: To investigate the prevalence of 100 children with bronchial asthma aged3-14 years,and to explore the related risk factors for the incidence of bronchial asthma in children,so as to provide the basis and ideas for the research on the prevention and treatment of bronchial asthma and its pathogenesis.Methods:The questionnaire related to bronchial asthma in children was formulated,and the risk factors of asthma in children were investigated and analyzed by using unified questionnaire survey method.First of all,the questionnaire was recovered and screened,and those that did not meet the standard were eliminated.Then,the data from the qualified questionnaire were extracted and input into the computer.Unifactor statistical analysis was conducted on all the data by using the chi-square test integrated by SPSS19.0 statistical software,and then the related risk factors of childhood asthma were discussed.In addition,multivariate logistic regression analysis was used to comprehensively evaluate the influence of various risk factors on the incidence of asthma in children.Results:In the data of this survey,two groups of children aged 3-14 were included,with 100 cases in each group.The case group included children diagnosed with asthma and the control group included non-asthmatic children.There were 65 males and 35 females in the case group.The oldest age was 14 years old,the youngest was 3 years old,and the average age was 6.98 years old.There were 67 males and 33 females in the control group.The oldest age was 14 years old,the youngest was 3 years old,and the average age was 6.53 years old.There was no significant difference in gender and age distribution between the two groups(P>0.05).In the analysis of related factors,the chi-square test showed a significant difference between the family history of asthma and the family history of allergy(P<0.01).There were significant differences in the history of eczema or atopic dermatitis,allergic rhinitis,and food allergy(P<0.01).Among the environmental factors,there are plush toys or carpets,room decoration,etc.,and outdoor environment,such as weather change,among which weather change has significant differences(P<0.01),there were statistically significant differences in smoking and room decoration(P<0.05).There was a significant difference in the association between respiratory tract infection and asthma(P<0.01).Among the factors of birth and feeding,natural birth is closely related to asthma,showing a significant difference(P<0.01);Among them,there were statistically significant differences in premature infants,low body weight,antibiotic treatment and breastfeeding(P<0.05).Multivariate logistic regression analysis showed that preterm birth,eczema or atopic dermatitis,allergic rhinitis,history of food allergy,weather change,breastfeeding,family history of asthma,and family history of allergy were statistically significant(P<0.05),among which,premature birth,eczema or atopic dermatitis,allergic rhinitis,history of food allergy,weather change,family history of asthma and family history of allergy(B>0)are independent risk factors for childhood asthma,while breast-feeding(B<0)is a protective factor for childhood asthma.Conclusion: 1.The related factors include family factors,self factors,environmental factors,respiratory tract infection,birth and feeding factors,among which family and self factors are the key factors.2.The incidence of bronchial asthma between 3 and 14 years old is correlated with gender and age.Most of the first onset age is under 4 years old,and most of them are male children.3.The onset of childhood asthma has a certain regularity,most of which occur in the season of change and at night. |