Table 3. Digital intervention engagement... | American Society of Hematology

Table 3.

Digital intervention engagement metrics in the CaRISMA trial

HC sessions	CBT (N = 181)∗		Education (N = 178)†
HC sessions	n	mean (SD)	n	mean (SD)
Number within 3 months of enrollment	140	4.1 (2.8)	146	4.3 (3.0)
Lesson Number	Started n	Finished (% randomized)	Started n	Finished (% randomized)
Never connected to chatbot	−	44 (24%)	−	41 (23%)
Connected to chatbot, but never started	−	35 (19%)	−	16 (9%)
1	102	81 (45%)	120	91 (51%)
2	72	52 (29%)	78	70 (39%)
3	49	43 (24%)	67	61 (34%)
4	41	36 (20%)	60	57 (32%)
5	32	32 (18%)	−	−

HC sessions	CBT (N = 181)∗		Education (N = 178)†
HC sessions	n	mean (SD)	n	mean (SD)
Number within 3 months of enrollment	140	4.1 (2.8)	146	4.3 (3.0)
Lesson Number	Started n	Finished (% randomized)	Started n	Finished (% randomized)
Never connected to chatbot	−	44 (24%)	−	41 (23%)
Connected to chatbot, but never started	−	35 (19%)	−	16 (9%)
1	102	81 (45%)	120	91 (51%)
2	72	52 (29%)	78	70 (39%)
3	49	43 (24%)	67	61 (34%)
4	41	36 (20%)	60	57 (32%)
5	32	32 (18%)	−	−

HC, Health Coach.

No CBT participants used the wrong branch.

Three Education participants used the wrong branch (1 of whom never started lessons); 1 among 178 was excluded because of illogical chatbot entries.