Table 4.

Difference in Difference of Secondary Outcome Measures

Variable	Estimate	Standard Error	Significance (p-value)
PROMIS-29
Physical Function	0.79	1.25	0.529
Anxiety	1.71	1.68	0.312
Depression	−0.36	1.81	0.841
Fatigue	0.40	2.07	0.848
Sleep Disturbance	2.58	2.03	0.208
Satisfaction with Participation in Social Roles	0.72	2.29	0.754
Pain Interference	1.25	1.66	0.454
RAND-36 Item Health Survey 1.0
Physical Functioning Scale	−3.06	7.27	0.675
Role Limitations due to Physical Health Scale	7.47	10.02	0.458
Role Limitations due to Emotional Problems Scale	3.50	9.91	0.725
Energy/Fatigue Scale	−1.00	4.09	0.807
Emotional Well-being Scale	1.48	3.73	0.693
Social Functioning Scale	−8.93	5.80	0.128
Pain Scale	−14.33	5.18	0.007
General Health Scale	−0.20	3.93	0.960
Physical Health Summary Scale	−0.93	4.47	0.836
Mental Health Summary Scale	−0.81	3.60	0.822
Engagement With Healthcare Provider
Engagement with Healthcare Provider Scale	−2.52	2.19	0.252
Medication Adherence
CASE Adherence Index	−1.51	0.62	0.017
Visual Analogue Scale	−4.88	5.06	0.338
Health-IT Usability Evaluation Scale (Health-ITUES)
Overall	−0.07	0.23	0.743
Quality of Life	−0.28	0.20	0.166
Perceived Usefulness	0.03	0.26	0.899
Perceived Ease of Use	−0.07	0.26	0.803
User Control	−0.20	0.28	0.480