Table 4.

Results of multiple logistic regression analysis.

Variable	Class 1			Class 2
	B	OR	p	B	OR	p
Age (Ref: 65–79)
≥ 80	−0.447	0.640	0.399	−0.075	0.928	0.862
Gender (Ref: male)
Female	0.686	1.986	0.230	−0.021	0.980	0.962
Place of residence (Ref: rural)
Urban (city/town)	0.308	1.360	0.480	0.363	1.437	0.324
Coresidence (Ref: nursing home)
With household member(s)	−0.992	0.371	0.196	−0.670	0.512	0.270
Alone	−0.375	0.687	0.641	−0.951	0.386	0.148
Marital status (Ref: currently married)
Divorced/widowed/single	0.736	2.087	0.186	0.731	2.078	0.092
Educational level (Ref: junior high and above)
Illiterate	0.653	1.922	0.325	0.633	1.883	0.229
Primary school	−0.102	0.903	0.873	0.285	1.330	0.551
Self-rated health (Ref: excellent/good)
Poor/very poor	1.481	4.397	0.016	−0.542	0.581	0.319
Average	1.254	3.503	0.009	0.142	1.152	0.703
ADL limitations (Ref: no)
Yes	0.622	1.863	0.304	−0.011	0.989	0.984
IADL limitations (Ref: no)
Yes	0.502	1.652	0.350	0.842	2.321	0.043
Currently smoked (Ref: no)
Yes	0.519	1.681	0.382	−0.232	0.793	0.634
Currently drank alcohol (Ref: no)
Yes	1.313	3.716	0.043	0.310	1.364	0.579
Exercised regularly (Ref: no)
Yes	−0.823	0.439	0.066	−0.235	0.791	0.508
Participated in outdoor activities (Ref: no)
Yes	−0.086	0.918	0.854	−0.111	0.895	0.786
Participated in social activities (Ref: no)
Yes	−1.380	0.252	0.038	−0.143	0.867	0.749
Self-rated financial status (Ref: very rich/rich)
Poor/very poor	3.474	32.255	< 0.001	1.917	6.803	0.008
Average	1.294	3.648	0.075	0.417	1.518	0.328
Psychological consulting services in community (Ref: no)
Yes	−0.343	0.710	0.590	0.053	1.054	0.909

“Class 3” was used as the reference group.