Explanations of socioeconomic differences in changes in physical function in older adults: results from the Longitudinal Aging Study Amsterdam

Table 4 Intercept and slope of SES on physical function in group ≥70 years old

	Model 1 * sociodemographics				Model 2 † model 1+ diseases				Model 3 ‡ model 1+ behavioral factors				Model 4 § model 1+ psychosocial factors				Model 5 ¶ all variables previous models
	Intercept	p	Slope	p	Intercept	p	Slope	p	Intercept	p	Slope	p	Intercept	p	Slope	p	Intercept	p	Slope	p
Education
High	Ref.
Medium	-0.74	0.12	0.16	0.39	-0.66	0.15	0.15	0.41	-0.76	0.10	0.16	0.39	-0.69	0.14	0.16	0.39	-0.68	0.12	0.15	0.41
Low	-1.36	<0.01	0.01	0.94	-1.17	<0.01	-0.00	0.99	-1.16	<0.01	0.01	0.96	-1.04	0.02	0.01	0.95	-0.83	0.04	-0.01	0.97
Income
High	Ref.
Medium	0.30	0.52	-0.26	0.16	0.29	0.52	-0.25	0.17	0.18	0.68	-0.26	0.16	0.41	0.38	-0.26	0.15	0.22	0.60	-0.25	0.17
Low	-0.86	0.06	-0.10	0.57	-0.67	0.12	-0.13	0.47	-0.80	0.06	-0.10	0.58	-0.59	0.19	-0.10	0.56	-0.47	0.26	-0.12	0.48

* Model 1: adjusted for age, sex, and interactions between age and longitudinal time, and sex and longitudinal time
† Model 2: adjusted for age, sex, interactions between age and longitudinal time and sex and longitudinal time, cardiac disease, peripheral arterial disease, stroke, diabetes mellitus, lung disease, cancer, arthritis
‡ Model 3: adjusted for age, sex, interactions between age and longitudinal time and sex and longitudinal time, smoking, drinking, BMI, and physical activity
§Model 4: adjusted for age, sex, interactions between age and longitudinal time and sex and longitudinal time, partner status, network size, instrumental social support, emotional social support, mastery, and self-efficacy
¶Model 5: all variables of previous models

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