Table 3

Sociodemographic variables: associations with levels and changes of disability

		Repeated prevalence model^3-150				Longitudinal change model^3-151
		Coefficient	Standard error			Overall p value	Coefficient	Standard error	Overall p value
Gender			0.058				0.796
Male versus female	−0.368	0.194			0.007	0.028
Marital status			<0.001				0.085
Divorced versus married	1.816	0.595			0.072	0.087
Degree of urbanisation			0.036				0.056
Rural versus big city	−0.258	0.304			0.064	0.038
Level of education			<0.001				0.267
Low versus high	1.477	0.282			0.050	0.039
Occupational class			0.003				0.761
Manual versus professional	1.248	0.357			0.065	0.076
Household income			<0.001				0.006
Low versus high	1.853	0.382			0.171	0.056

↵3-150 Adjusted for age, gender and chronic disease in 1991 by severity category, and year of measurement (1991–1997).
↵3-151 Adjusted for age, gender and chronic disease in 1991 by severity category, year of measurement (1991–1997), and the interactions between the determinant of interest and age and between age and year of measurement.