Table 3.

Logistic regression of COPD with ADL disability

	BADL			IADL
OR	95% CI	p	OR	95% CI	p
Male
Disability
Model 1	1.356	1.054–1.745	0.018	3.175	2.281–4.419	<0.001
Model 2	1.447	1.111–1.884	0.006	3.749	2.667–5.268	<0.001
Model 3	1.283	1.027–1.566	0.037	3.417	2.412–4.841	<0.001
Moderate to severe disability
Model 1	1.060	0.749–1.501	0.742	1.996	1.564–2.547	<0.001
Model 2	1.110	0.779–1.583	0.563	2.331	1.802–3.014	<0.001
Model 3	0.945	0.653–1.368	0.765	2.120	1.621–2.773	<0.001
Female
Disability
Model 1	1.206	0.947–1.536	0.129	0.974	0.694–1.368	0.881
Model 2	1.331	0.977–1.625	0.131	0.975	0.790–1.404	0.613
Model 3	1.231	0.946–1.203	0.123	0.922	0.640–1.327	0.662
Moderate to severe disability
Model 1	1.039	0.773–1.397	0.798	1.217	0.924–1.604	0.163
Model 2	1.156	0.847–1.577	0.362	1.474	1.098–1.979	0.010
Model 3	1.047	0.759–1.446	0.779	1.301	0.960–1.703	0.090
Total
Disability
Model 1	1.200	1.010–1.427	0.038	1.707	1.346–2.161	<0.001
Model 2	1.384	1.150–1.666	0.001	1.990	1.542–2.567	<0.001
Model 3	1.261	1.044–1.525	0.016	2.014	1.561–2.598	<0.001
Moderate to severe disability
Model 1	0.978	0.782–1.223	0.846	1.413	1.180–1.693	<0.001
Model 2	1.131	0.895–1.429	0.303	1.920	1.578–2.336	<0.001
Model 3	1.007	0.790–1.284	0.956	1.713	1.397–2.100	<0.001

Notes: Model 1: adjusted by age; Model 2: adjusted ethic, residence, marriage, education, besides those adjusted in Model 1; Model 3: adjusted smoking, alcohol drinking, physical exercise, self-rated good health, besides those adjusted in Model 2.

Abbreviations: ADL, activity of daily living; BADL, activity of daily living; IADL, instrumental activity of daily living.