支气管哮喘 (下称哮喘 )是本厂区儿童呼吸系统多发病 ,近年来患病率有增高趋势。我们于 1999年 4月对石化厂区内中学和幼儿园中 14岁以下儿童进行哮喘患病情况调查 ,并作高危因素分析 ,以期为预防和降低哮喘的发病提供依据。报告如下。对象和方法1.对象 :调查对象均来自石化厂 Bronchial asthma (hereinafter referred to as asthma) is the factory of children with respiratory diseases, in recent years the prevalence increased. In April 1999, we conducted a survey on the prevalence of asthma in children under 14 in secondary schools and kindergartens in the petrochemical plant, and analyzed the risk factors for the purpose of preventing and reducing the incidence of asthma. The report is as follows. Subjects and methods 1. Subjects: All respondents were from petrochemical plants