Table 4. Effect of background characteristics, ADL and IADL disability items on the physical and mental dimensions of quality of life.

	Physical dimension of quality of life						Mental dimension of quality of life
	Bivariate			Multiple			Bivariate			Multiple
	B	SE	p	B	SE	p	B	SE	p	B	SE	p
Background characteristics
Sex (women)	−11.92	2.81	<0.001	−2.81	2.15	0.192	−4.89	2.08	0.019	2.26	2.10	0.283
Age	−0.73	0.36	0.040	0.27	0.23	0.251	−0.81	0.26	0.002	−0.06	0.23	0.801
Marital status (married)	8.48	2.74	0.002	−0.83	2.08	0.692	5.18	2.01	0.010	0.99	2.04	0.626
Education	4.86	1.26	<0.001	0.62	0.88	0.481	2.86	0.92	0.002	0.22	0.86	0.795
Income	3.60	0.74	<0.001	0.33	0.52	0.524	1.92	0.52	<0.001	0.35	0.51	0.496
Multimorbidity	−29.13	2.21	<0.001	−13.35	1.82	<0.001	−13.50	1.82	<0.001	−4.03	1.78	0.024
ΔR2				0.364		<0.001				0.162		<0.001
ADL disability items
Dress yourself	−27.20	2.45	<0.001	−6.98	3.09	0.024	−12.63	1.96	<0.001	−0.12	3.02	0.967
Get in and out of bed	−32.04	3.72	<0.001	−6.95	3.42	0.043	−17.72	2.82	<0.001	−6.57	3.34	0.050
Stand up from sitting in a chair	26.94	2.90	<0.001	−5.68	2.59	0.029	−16.63	2.19	<0.001	−5.55	2.53	0.029
Wash your face and hands	−27.89	5.92	<0.001	2.07	5.50	0.707	−12.96	4.39	0.003	2.70	5.37	0.615
Wash and dry your whole body	−24.35	2.19	<0.001	2.01	3.10	0.516	−12.28	1.73	<0.001	0.95	3.03	0.754
Get on and off the toilet	−37.37	7.27	<0.001	0.99	4.94	0.841	−25.07	5.33	<0.001	−4.28	4.82	0.375
Feed yourself	−40.77	12.72	0.001	−11.28	9.22	0.222	−17.79	9.36	0.058	−3.12	9.00	0.729
Get around in the house (if necessary, with a cane)	−24.78	4.24	<0.001	6.43	3.37	0.057	−13.93	3.15	<0.001	1.33	3.29	0.686
Go up and down the stairs	−21.00	1.23	<0.001	−5.78	1.63	<0.001	−10.62	1.07	<0.001	−0.84	1.59	0.597
Walk outdoors (if necessary, with a cane)	−20.33	1.60	<0.001	0.03	1.82	0.985	−11.03	1.28	<0.001	0.93	1.77	0.601
Take care of your feet and toenails	−10.80	0.88	<0.001	1.41	0.86	0.101	−5.29	0.71	<0.001	1.35	0.83	0.108
ΔR2				0.058		<0.001				0.045		0.012
IADL disability items
Prepare breakfast or lunch	−14.34	4.11	0.001	6.83	3.34	0.042	−7.97	3.01	0.009	2.07	3.26	0.526
Prepare dinner	−5.89	1.42	<0.001	0.74	1.15	0.517	−3.29	1.05	0.002	0.003	1.12	0.998
Do “light” household activities	−19.29	1.74	<0.001	−1.52	1.68	0.368	−9.83	1.37	<0.001	0.83	1.64	0.613
Do “heavy” household activities	−14.27	0.75	<0.001	−6.57	1.05	<0.001	−8.64	0.62	<0.001	−4.55	1.03	<0.001
Wash and iron your clothes	−7.49	1.05	<0.001	−1.03	0.91	0.260	−4.03	0.79	<0.001	0.58	0.89	0.516
Make the beds	−13.05	0.88	<0.001	−1.23	1.07	0.254	−7.90	0.70	<0.001	−1.83	1.05	0.083
Do the shopping	−18.06	1.37	<0.001	−5.41	1.42	<0.001	−11.13	1.06	<0.001	−5.74	1.39	<0.001
ΔR2				0.108		<0.001				0.135		<0.001
ΔR2 ADL and IADL				0.350		<0.001				0.282		<0.001
R2 total				0.714		<0.001				0.444		<0.001

Notes.

All p-values significant at 0.05 are printed in bold.