Subjective caregiver burden: validity of the 10-item short version of the Burden Scale for Family Caregivers BSFC-s

Table 3 Significant predictors of institutionalization at a follow-up time of 2.5 years

Variable	Bivariate predictor analysis				Binary logistic regression^a
	Institutionalization yes	Institutionalization no	Test value	P	Regression coefficient B	Standard error	Wald	P
	n = 32 (12%)	n = 237 (88%)
	n (n%) or mean (SD)	n (n%) or mean (SD)
Living situation:			Χ² = 6.59	.015	−1.60	.52	9.41	.002
- together^b	15 (8%)	165 (92%)
- separately	17 (19%)	72 (81%)
Caregiver burden^c	13.7 (9.0)	9.3 (7.8)	T = −2.89	.004	.07	.03	7.38	.007
Care-receiver’s age (years)	84.4 (7.0)	79.2 (6.2)	T = −4.20	< .001	.09	.03	7.34	.007
MMSE^d	17.4 (3.2)	19.0 (3.8)	T = 2.68	.010	-.14	.06	5.87	.015
Caregiver’s age (years)	63.1 (11.2)	58.6 (13.7)	T = −2.07	.044	.03	.02	2.57	.109
Region:			Χ² = 4.56	.046	.72	.48	2.26	.133
- urban^e	10 (21%)	38 (79%)
- rural	21 (10%)	193 (90%)

n = 269 cases; 351 cases of the total sample less 82 care-receivers who died at home.
^aChi² = 41.36 (p < .001); Nagelkerke’s R² = .283 (none of the 6 potential predictors had to be excluded from the multivariate analysis due to multicollinearity).
^bFamily caregiver and care-receiver with dementia share a flat or house.
^cScore of the BSFC-s.
^dMini-Mental Status Examination.
^eUrban region: cities with at least 100,000 citizens; rural region: cities with less than 100,000 citizens and villages.
Other variables were not significantly correlated with institutionalization: study arm (p = .500); sex of family caregiver (p = .527); caregiver spouse yes/no (p = .434); sex of care-receiver with dementia (p = .538); NOSGER subscale “Disturbing behavior” (p = .073); NOSGER subscale “IADL” (p = .257); family caregiver diagnosed with depression yes/no (p = .696); care level yes/no (p = .249); Barthel Index (p = .737); caregiving tasks at night yes/no (p = .532); average hours of daily care (p = .389).

ISSN: 1471-2318