Table 7.

Estimated regression coefficients for disease count and DBIS score (dependent variable EQ-VAS)

	Standardized coefficient	t	95% CI		p-value
			Lower	Upper
Disease count (number of conditions reported)
Constant		9.78	59.68	89.65	<0.001
Number of conditions reported	−0.34	−11.23	−2.70	−1.90	<0.001
Gender	−0.06	−1.88	−5.55	0.13	0.06
Age	0.12	3.07	0.07	0.34	0.002
Separated or divorced	−0.05	−1.56	−7.40	0.85	0.12
Widowed	0.06	1.80	−0.34	7.72	0.07
Single	−0.01	−0.46	−6.38	3.98	0.65
Retired	0.01	0.34	−3.09	4.38	0.74
Permanently sick or disabled	−0.30	−8.90	−27.26	−17.41	<0.001
Other occupation	0.09	2.61	1.76	12.41	0.009
Ethnicity	−0.01	−0.18	−11.96	9.99	0.86
Hospital admission for chronic condition	−0.13	−4.46	−12.96	−5.04	<0.001
DBIS
Constant		10.48	59.96	87.59	<0.001
DBIS	−0.49	−16.83	−1.06	−0.84	<0.001
Gender	−0.05	−1.72	−4.91	0.33	0.09
Age	0.11	3.00	0.06	0.30	0.003
Separated or divorced	−0.03	−1.17	−6.09	1.54	0.24
Widowed	0.06	1.92	−0.09	7.35	0.06
Single	−0.01	−0.40	−5.76	3.80	0.69
Retired	0.00	0.10	−3.28	3.62	0.92
Permanently sick or disabled	−0.21	−6.71	−20.63	−11.29	<0.001
Other occupation	0.08	2.47	1.27	11.11	0.014
Ethnicity	−0.00	−0.06	−10.44	9.82	0.95
Hospital admission for chronic condition	−0.10	−3.77	−10.73	−3.39	<0.001

Note: Reference categories: married and employed/self-employed.

Abbreviations: DBIS, Disease Burden Impact Scale; EQ-VAS, EQ-5D Visual Analog Scale.