Occurrence of respiratory infections in the past 12 months and in the past 3 months and the risk of adult-onset asthma.

aAdjusted for sex, age, education, smoking, SHS exposure (work/home), pets, and exposure to mold (work/home).bTotal number of cases and controls, information on infections was missing for 50 subjects.c≥2 infections.a已针对性别、年龄、受教育程度、吸烟行为、二手烟（SHS，Secondhand Smoke）暴露（工作场所/居家环境）、宠物接触以及霉菌暴露（工作场所/居家环境）进行了校正。b病例组与对照组的总样本中，50名受试者的感染相关信息缺失。c感染次数≥2次。