Table 2.

Calibration results and descriptive statistical analysis.

Conditions and outcome	Fuzzy set calibration			Descriptive analysis
	Complete membership	Crossover point	Completely non-membership	Mean	Standard deviation	Minimum value	Maximum value
Social development level	0.30	0.08	0.04	0.11	0.09	0.01	0.45
Economic development level	60915.50	27881.00	21769.50	32086.35	12455.12	20335.00	72232.00
Health and medical services	80.20	71.85	58.03	71.15	7.17	55.40	92.00
Social pension security	42412.81	19032.96	11859.63	22099.97	10378.26	11187.00	53412.00
Community and natural environment	12.67	8.71	7.06	9.30	1.80	5.83	13.21
Education and family support	0.40	0.35	0.28	0.34	0.04	0.26	0.43
Proportion of self-assessed health among the older adult	0.91	0.86	0.81	0.86	0.04	0.77	0.91