Validation of a Digital Support App to Assess Inflammatory Disease Activity and Mental Health Patient-Reported Outcomes (PROs): A Pilot Investigation

Table 1

Spearman’s rho correlations and descriptive statistics of disease activity and psychological variables.

	1	2	3	4	5	6	7	8	9	10	Mean (SD)
1. Standardized disease activity scores	—										0.04 (1.00)
2. MHBI (paper)	1.00	—									3.52 (3.29)
3. PRO2-CD	0.95	0.95	—								7.20 (6.17)
4. PRO3-CD	0.88	0.88	0.88	—							13.64 (12.20)
5. PRO2-CDSR (tablet)	0.81	0.81	0.82	0.78	—						8.92 (10.92)
6. PRO3-CDSR (tablet)	0.79	0.79	0.78	0.82	0.96	—					15.92 (17.26)
7. Partial Mayo (paper)	0.99	—	—	—	—	—	—				1.32 (2.08)
8. PRO2-UC	0.97	—	—	—	—	—	0.99	—			0.91 (1.11)
9. PRO2-UCSR (tablet)	0.56	—	—	—	—	—	0.55	0.58	—		1.50 (1.54)
10. K10 (tablet)	0.45	0.57	0.57	0.67	0.60	0.68	0.17	0.22	0.43	—	20.17 (8.21)
11. DASS21 (paper)	0.30	0.42	0.35	0.40	0.38	0.40	0.02	0.06	0.38	0.74	15.68 (13.79)

Note. , , .