CHILDHOOD BRONCHITIS[N≈3085 (%) OR/z-score]p<0.05*
Feature at age 53Non-recurrent [n≈873 (28)]Recurrent [n≈555 (18)]Protracted-recurrent [n≈41 (1.3)]p-trend
Current CB0.840.951.900.245
Pneumonia-ever1.43*2.02*3.24*<0.001
Asthma-ever1.33*2.75*6.43*<0.001
Current asthma1.39*2.05*4.53*<0.001
Pre-BD FEV1–0.03–0.16–0.110.016
Post-BD FEV1–0.09–0.16*–0.090.005
Pre-BD FEV1/FVC<LLN1.131.65*0.033
Post-BD FEV1/FVC<LLN1.211.480.168