Department of Sport Science, College of Education, Zhejiang University, Hangzhou 310000, China.
Center for Sports Modernization and Development, Zhejiang University, Hangzhou 310000, China.
Int J Environ Res Public Health. 2021 Jun 19;18(12):6592. doi: 10.3390/ijerph18126592.
(1) Background: Recent studies reported that decrease in lung function of Chinese children and adolescents continues to decline, although the change has been insignificant and has reached a plateau. However, studies have not explored the relationship between lung function and economic development in China. This study sought to explore the longitudinal association between socio-economic indicators and lung function; (2) Method: Data were obtained from seven successive national surveys conducted by the Chinese National Survey on Students' Constitution and Health from 1985 to 2014. Lung function of school-age children (7-22 years) was determined using forced vital capacity (FVC). GDP per capita and urbanization ratio were used as economic indicators. A fixed-effects model was employed to examine the longitudinal association after adjusting for height, weight, and time trends; (3) Results: Socio-economic indicators showed a U-curve relationship with lung function of boys and girls from urban and rural areas. Lung function initially decreased with GDP per capita or urbanization ratio and reached a minimum. Lung function then increased with increase in GDP per capita or urbanization ratio. The findings indicate that the relationship between economic growth and lung function is different in different development stages. In less-developed provinces, economic growth was negatively correlated with lung function, whereas, in developed provinces, economic growth was positively correlated with lung function; (4) Conclusion: The findings of the current study show that economic growth has significantly different effects on lung function at different economic levels. Therefore, governments should improve lung health in children and adolescents from low and middle economic regions.
(1) 背景：最近的研究报告称，中国儿童和青少年的肺功能持续下降，尽管这种变化不明显，已经趋于平稳。然而，目前的研究尚未探讨中国肺功能与经济发展之间的关系。本研究旨在探讨社会经济指标与肺功能之间的纵向关联；(2) 方法：本研究的数据来源于中国学生体质与健康调研从 1985 年到 2014 年连续进行的 7 次全国性调查。采用用力肺活量（FVC）来确定学龄儿童（7-22 岁）的肺功能。人均国内生产总值和城市化率作为经济指标。在调整身高、体重和时间趋势后，采用固定效应模型来检验纵向关联；(3) 结果：社会经济指标与城乡男女生的肺功能呈 U 型关系。肺功能最初随人均 GDP 或城市化率的增加而下降，达到最低点，然后随人均 GDP 或城市化率的增加而增加。研究结果表明，经济增长与肺功能之间的关系在不同的发展阶段是不同的。在欠发达省份，经济增长与肺功能呈负相关，而在发达省份，经济增长与肺功能呈正相关；(4) 结论：本研究结果表明，经济增长对不同经济水平的肺功能有显著不同的影响。因此，政府应该改善中低收入地区儿童和青少年的肺部健康。
