The relationships of kinesiophobia and physical function and physical activity level in juvenile idiopathic arthritis

Table 3 Stepwise regression analyses for functional task performance and physical activity level

	R	R²	R² change	p-value	B (CI)
Model 1. Self selected gait speed
Sex	.172	.030	.030	.282	.073 (−.062–.208)
Pain	.365	.134	.104	.039	−.042 (−.081 - -.002)
TSK-11	.400	.160	.026	.291	−.005 (−.015–.005)
Model 2. Chair Rise Performance (repetitions in 30 seconds)
Sex	.229	.053	.053	.144	1.694 (−.606–3.995)
Pain	.328	.107	.055	.130	−.537 (−1.240–.165)
TSK-11	.611	.373	.265	<.001	−.295 (−.445 - -.146)
Model 3. Stair Climb performance (time to climb one flight)
Sex	.185	.034	.034	.241	−.297 (−.800–.207)
Pain	.444	.197	.163	.008	.201 (.056–.345)
TSK-11	.561	.314	.117	.015	.043 (.009–.076)
Model 4. Stair Descent performance (time to descend one flight)
Sex	.102	.010	.010	.525	.202 (−.435–.839)
Pain	.371	.138	.127	.023	.218 (.031–.404)
TSK-11	.379	.144	.006	.605	.012 (−.035–.060)
Model 5. Physical Activity levels (Pedi FABS score)
Sex	.083	.007	.007	.600	−1.431 (−6.905–4.044)
Pain	.194	.038	.031	.272	−.934 (−2.630–.761)
TSK-11	.542	.294	.256	<.001	−.675 (−1.043–.307)

Dependent variables in each model are shown. Sex and global NRS pain scores were added to each model first, followed by Tampa Scale of Kinesiophobia Scale (TSK-11 score) last. B unstandardized coefficient, CI confidence interval

ISSN: 1546-0096