Determining the effect of air quality on activities of daily living disability: using tracking survey data from 122 cities in China

Table 4 Marginal effect of air quality on ADL disability

ADL disability	lnSO₂	lnNO₂	lnPM₁₀	lnAQI
Serious disability	0.00003(0.00002)	8.42e-07(0.00003)	0.00005*(0.00003)	0.00008*(0.00004)
Severe disability	0.00013*(0.0001)	3.77e-06(0.0001)	0.0002**(0.0001)	0.0003**(0.0002)
Moderate disability	0.0012*(0.0007)	0.00003(0.0010)	0.0020**(0.0010)	0.0030**(0.0014)
Mild disability	0.0045*(0.0026)	0.0001(0.0040)	0.0079**(0.0038)	0.0115**(0.0054)
Healthy	−0.0110*(0.0063)	− 0.0003(0.0098)	− 0.0194**(0.0094)	− 0.0284**(0.0133)

Abbreviations: ADL Activities of Daily Living, SO₂ Sulfur Dioxide, NO₂ Nitrogen Dioxide, PM₁₀ Inhalable Particles
Note: The standard error is in brackets; *** p < 0.01, ** p < 0.05, * p < 0.1. The control variable results are not listed here

ISSN: 1471-2458