The importance of lower extremity involvement type on exercise performances, function, and quality of life in peripheral predominant forms of juvenile idiopathic arthritis

Table 3 Predictors of CHAQ, PedsQL-3A, CYC-E, and 6MWT found in backward regression analysis*

Primary outcome	Independent variable (explaining variance)	Beta	95% Cl for B		p
Primary outcome	Independent variable (explaining variance)	Beta	Lower	Upper	p
CHAQ^a
	Hip arthritis	0.755	0.755	1.377	< 0.001
	Knee arthritis	0.559	0.351	0.809	< 0.001
PedsQL-3A^b
	Hip arthritis	−0.741	−40.624	−19.783	< 0.001
	Knee arthritis	−0.405	−19.819	− 4.484	0.003
CYC-ED^c
	Knee arthritis	−0.408	−6.719	− 835	0.014
	Height	0.368	0.016	0.217	0.025
6MWT^d
	Hip arthritis	−0.628	− 272.608	− 118.109	< 0.001
	Knee arthritis	−0.524	− 176.551	−65.090	< 0.001
	Gender	−0.239	−104.092	−0.952	0.046
	Age	0.293	−0.972	28.040	0.066
	Weight	0.268	−0.350	4.270	0.093

*Final models for regression analysis
^a 2nd model for CHAQ (Childhood Health Assessment Questionnaire); Model p < 0.001, R²: 0.683, F: 31.213
^b 2nd model for PedsQL-3A (PedsQL 3.0 Arthritis Module); Model p < 0.001, R²: 0.572, F: 19.365
^c 3rd model for CYC-ED (cycling exercise duration); Model p: 0.006, R²: 0.299, F: 6.196
^d 4th model for 6MWT (6-min walk test); Model p < 0.001, R²: 0.701, F: 11.738

ISSN: 2523-3106