. 2016 Aug 24;16(1):33. doi: 10.1186/s12873-016-0097-y

Table 3.

Regression analyses of significant risk factors related with self-rated health (0 – 100 %) 30 days after ED presentation

		Linear regression		Multiple regression^a		corrected^b
	N (n)	β	p-value	β	p-value	p-value
Socio-demographic variables
Age	1420	−0.08	0.003*	−0.01	0.678	0.673
Marital status (1 = not married)	1423 (544)	−0.06	0.015*	−0.05	0.056	0.068
Initial clinical presentation
Main diagnosis	1364
Cancer^c	73	−0.15	<0.001***	−0.08	0.012*	0.042*
Cardiovascular disease^c	363	0.06	0.022*	0.02	0.468	0.438
Comorbidity	1164
COPD^d	28	−0.08	0.004*	−0.04	0.188	0.209
Dementia^d	15	−0.06	0.015*	−0.05	0.139	0.223
Diabetes^d	121	−0.07	0.012*	−0.05	0.048*	0.079
Cancer^d	157	−0.15	<0.001***	−0.10	0.001**	0.001*
Renal failure^d	303	−0.08	0.001**	0.01	0.845	0.847
Number of acute medical problems	1298	−0.13	<0.001***	−0.06	0.059	0.082
Course of illness
Rehospitalisation (1 = yes)	1460 (100)	−0.18	<0.001***	−0.13	<0.001***	<0.001***
Unplanned GP visit (1 = yes)	1460 (51)	−0.15	<0.001***	−0.16	<0.001***	<0.001***
Discharge post-care institution (1 = yes)	1419 (243)	−0.16	<0.001***	−0.14	<0.001***	<0.001***
Length of hospital stay	1452	−0.20	<0.001***	−0.12	<0.001***	<0.001***

β Standardized regression coefficient, COPD Chronic obstructive pulmonary disease, ED Emergency department, GP General practitioner

p < 0.05*, p < 0.01**, p < 0.001***

^aR2 = 0.1371 (N = 1237)

^bbootstrap analysis

^call other diagnoses were used as dummy variables

^dall other comorbidities were used as dummy variables