Disease-related disability burden: a comparison of seven chronic conditions in middle-aged and older adults

BMC Geriatrics

Table 5 Comparison of random effects of the different chronic conditions on the nested models

		Variance of intercept (1,1)	Percentage of variance change from previous models	Variance of slope (1,1)	Percentage of variance change from previous models
Hypertension	Model 0	8.516		0.105
	Model 1	6.664	21.7	0.084	20.0
	Model 2	5.968	10.4	0.081	3.6
	Model 3	3.208	46.2	0.043	46.9
Heart disease	Model 0	10.310		0.102
	Model 1	8.214	20.3	0.077	24.5
	Model 2	7.251	11.7	0.074	3.9
	Model 3	4.355	39.9	0.041	44.6
Stroke	Model 0	38.806		0.097
	Model 1	26.718	31.1	0.080	17.5
	Model 2	26.718	0.0	0.087	−8.8
	Model 3	15.980	40.2	0.054	37.9
Diabetes	Model 0	14.373		0.150
	Model 1	11.386	20.8	0.121	19.3
	Model 2	10.880	4.4	0.118	2.5
	Model 3	6.172	43.3	0.053	55.1
Cancer	Model 0	18.385		0.146
	Model 1	12.678	31.0	0.119	18.5
	Model 2	11.063	12.7	0.127	−6.7
	Model 3	2.925	73.6	0.055	56.7
Lung disease	Model 0	15.855		0.111
	Model 1	10.276	35.2	0.065	41.4
	Model 2	9.553	7.0	0.061	6.2
	Model 3	3.316	65.3	0.000	100.0
Arthritis	Model 0	7.907		0.084
	Model 1	5.965	24.6	0.059	29.8
	Model 2	5.495	7.9	0.056	5.1
	Model 3	2.575	53.1	0.025	55.4

Model 0: Duration after diagnosis and (duration after diagnosis)²
Model 1: Model 0 + age at diagnosis (centered to 70 years old), gender, education level
Model 2: Model 1 + number of comorbidities over time
Model 3: Model 2 + depression status over time

ISSN: 1471-2318