Measuring the impact of caregiving on informal carers: a construct validation study of the CarerQol instrument

Table 1 Sample ch aracteristics and association with CarerQol-VAS; n = 1,244

			%	CarerQol-VAS mean	P-value ^a	Spearman’s rho	Standardised coefficients ^b
Caregiver	Age	<47.1 years	47.1	7.2	0.20	-0.04	-0.06
		≥ 47.1 years		7.1
	Gender	Female	58.3	7.0	0.02	-	-
		Male	41.7	7.3
	Educational level	Low	14.6	7.2	0.83	-	-
		Middle	55.9	7.1
		High	29.6	7.1
	Paid work	Yes, full-time	26.7	7.4	0.00	-	ref.
		Yes, part-time	27.0	7.2			-0.07^*
		No	46.3	6.9			-0.06
	Income (1-15)^c					0.11^***
	Income^d	Low	31.7	7.0	0.04	-	-0.10^*
		Middle	24.0	7.1			-0.07
		High	16.9	7.4			ref.
		Missing	27.5	7.1
	EQ-5D score	<0.8	0.84	6.4	0.00	0.35^***	0.08^*
		≥0.8		7.5
	Having a partner	Yes	68.9	7.2	0.09	-	-
		No	31.1	7.0
Care recipient	Age	< 63.6 years	63.6	7.0	0.01	0.06^*	0.06
		≥ 63.6 years		7.2
	Gender	Female	66.2	7.2	0.04	-	-
		Male	33.8	7.0
	EQ-5D score	<0.5	0.5	6.8	0.00	0.21^***	0.09^**
		≥0.5		7.4
	Level of independence (1-6)	<4.3	4.3	7.2	0.03	0.06^*	-
		≥4.3		7.0
	Surveillance needed 24/7	Yes	11.9	6.9	0.10	-	-
		No	88.1	7.2
	Type of health problem	Temporary condition	10.3	7.5	0.01	-	-
		Chronic condition	89.7	7.1
Care situation	Relationship with care recipient	Partner	15.3	7.0	0.02	-	0.02
		Parent (-in-law)	41.6	7.0			-0.09^*
		Other family	24.4	7.2			-0.01
		Friend / acquaintance	18.8	7.4			ref.
	Care recipient shares household	Yes	31.0	7.0	0.02		-
		No	69.1	7.2
	Total years care	<5.1 years	5.1	7.2	0.05^e	-0.05	-
		≥5.1 years		7.0
	Days p/wk	<4.1 days	4.1	7.2	0.12	-0.04	-
		≥ 4.1days		7.1
	Hours p/wk	<18.4 hours	18.4	7.2	0.10	-0.06^*	-
		≥18.4 hours		7.0
	Professional care^e	Yes	49.6	7.0	0.00	-	-
		No	50.3	7.2
	Day care^e	Yes	8.7	6.9	0.22	-	-
		No	91.3	7.1
	Other informal caregivers	Yes	31.4	7.2	0.09	-	-
		No	68.7	7.1
	Institutionalization	Yes	24.8	7.1	0.83	-	-
		No	75.2	7.1
	Waiting list^e	Yes	11.9	7.1	0.89	-	-
		No	88.1	7.1

Note: *p < 0.05, **p < 0.01, ***p <0.001; ^aoneway anova test; ^bfrom multivariate regression analysis corrected for CarerQol-7D; ^ccontinuous variable, missings not included; ^dcategorical variable; ^ecaregivers of non-institutionalized care recipients only, n = 1062.

ISSN: 1477-7525