Table 3.

Univariate and Multiple Models’ Associations Between the RSS and Next of Kin and People with Dementia Characteristics

Next of kin	Univariate Model RSS Score		Multiple Model RSS Score
	Standardized β	P-value	Standardized β	P-value
Gender (Female =0, Male=1)	−0.167	0.099	−0.056	0.465
Living (No=0, Yes=1)	0.472	<0.001	0.341	<0.001
Having hobbies (No=0, Yes=1)	−0.158	0.115	−0.105	0.161
Being physically active (No=0, Yes=1)	−0.043	0.671
Caregiver school (No=0, Yes =1)	0.184	0.081	0.033	0.682
Respite - days per week	0.143	0.159	0.012	0.880
HAD-Aa score	0.481	<0.001	0.276	<0.001
MADRSb score	0.466	<0.001	0.163	0.117
OSS 3c score	−0.327	<0.001	−0.209	0.007
People with dementia
CDR-SOBd score	0.109	0.301
NPIe score (Intensity x Frequency)	0.397	<0.001	0.295	<0.001
IADLf score	0.154	0.135	−0.065	0.385
Number of months with symptoms of dementia	0.182	0.070	0.062	0.386
Intra Class Correlation (ICC)=0.105 = 10.5%
Proportion of ICC explained by the model (R22)			1.00 = 100%
Explained variance between participants (R12)			0.620 = 62.0%

Abbreviations: HAD-A^a, The anxiety part of the Hospital Anxiety & Depression scale (HAD);⁴⁰ MADRS^b, Montgomery Aasberg Depression Rating Scale;⁴³ OSS-3^c, Oslo Social Support Scale;⁴¹ CDR-SOB^d, Clinical Dementia Rating Scale, Sum of Boxes;⁴⁶ NPI^e, The Neuropsychiatric Inventory scale, Intensity x Frequency;⁴⁴ IADL^f, Lawton & Brody`s Instrumental ADL Scale (IADL).⁴⁵