A case-control study on influencing factors of asthma in adults

  Objective   To explore the influencing factors for ast hma in adults.

  Methods   Ahospital-based case-control study was undertaken in 116 asthma patients with 158 controls without asthma by using questionnaire.Available data were analysed by Uni-and Multi-unconditional Logistic regression methods.

  Results   12 factors were identified to be related to asthma when single factor Logistic regression analysis.8 factors in muitiple Logistic regression mo del were: the history of dustallergy(OR=9.38), using eider down quilt at home(OR=7.66), the history of food allergy(OR=4.03), the history of allergic rhinitis(OR=3.76), often suppression and depression(OR=3.33), occupational dust and gas expourse(OR=2.47), father smoking(OR=1.49)and breastfeedign(OR=0.29).

  Conclusion   Adult asthma was a disease to be associated with muitiple-factors such as lifetyle, environment and gene.The history of dust allergy, using eider down quilt at home, the history of food allergy, the history of allergic rhinitis, often suppression and depression, occupational dust and gas expourse, father smoking increased risk of asthma and breastfeeding decr eased risk of asthma in adults.