Use and usability of the dr. Bart app and its relation with health care utilisation and clinical outcomes in people with knee and/or hip osteoarthritis

Table 3 Spearman rank correlation coefficients between different indicators of use and health care utilisation and clinical outcomes (relative difference between baseline and 6 month follow-up)

	Logins	Unique goals chosen	Unique goals completed	Total goals completed	Paragraphs read
Visited a secondary health care provider? (yes/no)	0.02	0.05	0.08	0.06	0.09
Visited a general practitioner? (yes/no)	0.07	0.25 (P = .0139)	0.28 (P = .0106)	0.09	0.03
Pain^a	−0.17	−0.18	− 0.22	−0.16	− 0.07
Symptoms^a	−0.07	− 0.11	−0.15	− 0.21	−0.19
Activities of daily living^a	0.08	−0.03	−0.09	0.06	0.02
Quality of life^a	−0.01	−0.07	− 0.11	−0.01	− 0.07
Activities^a	0.09	−0.19	0.01	0.22	−0.08
Health-related quality of life (EQ-5D-3L)	−0.02	−0.07	− 0.12	−0.06	− 0.131
PA, total hours	−0.03	0.11	0.05	−0.00	0.081
Patient Activation Measure	0.05	0.02	−0.04	0.08	−0.11
Illness Perceptions	0.04	0.07	0.02	0.04	0.06

ISSN: 1472-6963