Table 1.

Probability statistics of ADL disability

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