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

Table 3 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	-0.16	0.45	-0.04	0.59	-0.08	0.69	-0.04	0.62	-0.07	0.73	-0.04	0.59	-0.14	0.49	-0.04	0.59	0.01	0.98	-0.04	0.62
Low	-0.43	0.05	-0.24	<0.01	-0.24	0.26	-0.24	<0.01	-0.07	0.74	-0.24	<0.01	-0.35	0.11	-0.24	<0.01	0.07	0.73	-0.24	<0.01
Income
High	Ref.
Medium	-0.22	0.26	-0.17	0.02	-0.05	0.79	-0.17	0.03	0.03	0.87	-0.17	0.02	-0.15	0.44	-0.17	0.02	0.18	0.35	-0.16	0.03
Low	-0.83	<0.01	-0.36	<0.01	-0.62	0.01	-0.36	<0.01	-0.46	0.06	-0.36	<0.01	-0.56	0.02	-0.36	<0.01	-0.16	0.50	-0.35	<0.01

* 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