A wearable activity tracker intervention for promoting physical activity in adolescents with juvenile idiopathic arthritis: a pilot study

Table 3 Changes from baseline in mean values of study variables and clinical parameters

Measure	Mean_baseline	Mean_week5	SD_baseline	SD_week5	SRM	SD_change	BF₁₀	%error
MET^a	65.728	66.710	12.270	11.090	0.135	12.148	0.253	0.012
MVPA^a	3.722	3.905	3.045	2.787	0.114	3.143	0.237	0.009
CHAQ	0.333	0.392	0.679	0.639	−0.090	0.299	0.250	0.022
Pain^b	1.319	1.890	2.171	2.550	0.281	2.523	0.463	0.012
Swollen Joint Count	0.310	0.500	0.541	1.051	0.287	0. 693	0.476	0.012
Physician Global Assessment	0.429	0.711	1.016	1.217	0.355	0.604	1.025	0.003
Fatigue^c	46.400	43.805	12.791	14.417	0.177	17.001	0.257	0.021
Depression^c	46.570	43.160	9.118	8.328	− 0.039	10.385	0.468	0.018
Pain Interference^c	45.200	46.336	10.706	11.132	0.332	11.860	0.522	0.015

SD standard deviation, SRM standardized response mean, BF₁₀ Bayes factor favouring the alternative hypothesis over the null hypothesis of no change, %error percent error
^aThe mean and SD values from week 1 were used instead of the baseline visit for METs and MVPA
^bMeasured on a 10-cm visual analog scale
^cMeasured using the Patient Reported Outcomes Measurement Information System

ISSN: 1546-0096