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Table 1 Probability statistics of ADL disability

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

ADL disability

2015

2018

Relative frequency

Frequency (%)

Relative frequency

Frequency (%)

Serious disability

23

0.18

92

0.69

Severe disability

101

0.81

174

1.30

Moderate disability

664

5.30

794

5.94

Mild disability

2664

21.28

2482

18.58

Healthy

9068

72.43

9816

73.48