Disease Areas:
Population studyDevice Types:
4000 Series,COPD-6This cross-sectional study examined the impact of low household income on lung function in a population-based sample of 1224 children and adolescents in Japan. Lung function parameters (FEV1, FEV6, FEV1/FEV6 ratio) were measured using a calibrated Vitalograph COPD-6 device.