Table 3.

Predictors of caregiver burden.

		Univariate analysis		Stepwise selection within groups		Stepwise final model
	Mean	Beta	p	Beta	p	Beta	p
1. Characteristics
Patient age,  mean (SD)		0.97	0.267
Gender patient,  men		−0.001	0.988
CCI, patient	2.7	0.283	0.001	0.242	0.003	0.094	0.3
CCI, partner	0.7	0.083	0.3
CAS, patient	16.1	−0.292	0.001	−0.151	0.07	0.106	0.21
CAS, partner	15.9	−0.430	0.001	−0.344	0.001	−0.21	0.01
knowledge on  CHF, patient	13.0	−0.024	0.8
knowledge on  CHF, partner	12.7	−0.055	0.5
2. Physical
SF-36-PCS,  patient	33.1	−0.373	0.001	−0.372	0.001	−0.313	0.001
SF-36-PCS,  partner	46.1	−0.162	0.064	−0.118	0.2
NYHA class,  patient		0.215	0.01	0.132	0.1
3. Mental
BDI patient	11.9	0.309	0.001	0.069	0.5
BDI partner	7.0	0.365	0.001	0.060	0.6
SF-36-MCS,  patient	41.4	−0.406	0.001	−0.265	0.01	−0.123	0.1
SF-36-MCS,  partner	46.8	−0.482	0.001	−0.417	0.001	−0.38	0.001

SD = Standard Deviation.

NYHA = New York Heart Association Classification.

CCI = Charlson Co-morbidity Index.

CAS = Control Attitude Scale.

CHF = Chronic Heart Failure.

BDI = Beck Depression Inventory.

PCS = Physical Component Score.

MCS = Mental Component Score.