First validation study of the living with long term conditions scale (LwLTCs) among English-speaking population living with Parkinson’s disease

Table 3 Construct and internal validity of English version of the LwLTCs scale

		LwLTCs-PD scale
		Domain 1- Acceptance	Domain 2- Coping	Domain 3- Self-management	Domain 4- Integration	Domain 5- Adjustment	Total score
Convergent validity	Age	0.10	-0.06	-0.08	0.06	-0.08	-0.03
	Age PD diagnosis	0.14*	-0.05	-0.05	0.09	-0.07	0.001
	PD duration	-0.10	0.03	0.02	-0.06	0.01	-0.02
	PGIS	-0.30**	-0.21**	-0.20**	-0.35**	-0.28**	-0.36**
	DUFSS	0.31**	0.43**	0.27**	0.39**	0.28**	0.45**
	SLS-6	0.49**	0.49**	0.26**	0.55**	0.59**	0.67**
	Satisfaction - Physical health	0.46**	0.32**	0.21**	0.49**	0.49***	0.55**
	Satisfaction - Psychological well-being	0.44**	0.45**	0.28**	0.51**	0.44**	0.59**
	Satisfaction - Social relations	0.31**	0.49**	0.25**	0.43**	0.37**	0.51**
	Satisfaction - Leisure	0.38**	0.42**	0.26**	0.54**	0.51**	0.58**
	Satisfaction - Financial situation	0.13*	0.14*	0.21**	0.25**	0.18**	0.24**
	WHOQOL-BREF	0.39**	0.41**	0.29**	0.53**	0.42**	0.54**
	WHOQOL-BREF - Physical Health	0.41**	0.32**	0.21**	0.51**	0.35***	0.47**
	WHOQOL-BREF - Psychological Health	0.56**	0.51**	0.37**	0.64**	0.51***	0.69**
	WHOQOL-BREF - Social relationships	0.30**	0.45**	0.27**	0.43**	0.38**	0.50**
	WHOQOL-BREF - Environmental	0.39**	0.44**	0.40**	0.54**	0.34**	0.54**
Internal validity	Domain 2-Coping	0.33***	-	-	-	-	-
	Domain 3-Self-management	0.13*	0.45***	-	-	-	-
	Domain 4-Integration	0.40***	0.52***	0.48***	-	-	-
	Domain 5-Adjustment	0.33***	0.60***	0.44***	0.47	-	-

LwLTCs scale: Living with long term conditions; PD: Parkinson’s disease; DUFSS: The Duke-UNC Functional Social Support Questionnaire; SLS-6: Modified Satisfaction with Life Scale; WHOQOL-BREF: The World Health Organization Quality of Life Instrument-Brief
Spearman rank correlations ***p < 0.001;**p < 0.01; * p < 0.05

ISSN: 1477-7525