Table 3.

Multi-factor binary logistic regression analysis of factors influencing ADL in older adults.

Factors			Dummy Variable	β	Sx	Wald χ2 Value	p-Value	OR Value	95% CI
Gender		Female	0
		Male	1	−0.929	0.277	11.254	0.001	0.395	0.230 to 0.680
Age		60–69	0
		70–79	1	0.482	0.015	1093.425	0.000	1.196	1.071 to 1.334
		≥80	2	0.421	0.010	1821.358	0.000	1.524	1.495 to 1.554
Smoking Habit	Years of Smoking	<20	0
		20-40	1	−1.097	0.194	32.001	0.000	0.334	0.228 to 0.488
		>40	2	0.018	0.094	0.037	0.848	1.018	0.847 to 1.224
	Average number of cigarettes smoked per day	<20	0
		20–40	1	−0.314	0.093	11.519	0.001	0.731	0.609 to 0.876
		>40	2	−0.401	0.184	4.772	0.029	0.670	0.467 to 0.960
Is disabled		No	0
		Yes	1	−0.779	0.117	44.585	0.000	0.459	0.365 to 0.577
Have a chronic disease		No	0
		Yes	1	−3.140	0.132	568.608	0.000	0.043	0.033 to 0.056