Table 2.

Types of messages sent and received during intervention.

Type of SMS message	N	Median	Mean	sd	Range
Text messages received from patients	996	46.00	55.00	33.50	2–131
Questions	46	2.00	2.87	2.55	0–9
Report side effects	32	0	2.00	3.50	0–11
Days continued to notify after intervention	109	3.5	7.79	13.74	0–53
Test messages sent by researchers	1320	77.00	73.00	28.5	18–154
Reminders per patient	170	10.00	9.44	6.59	0–21
Automatic confirmation of notification	307	12.00	17.05	14.11	0–40
Manual confirmation of notification	128	6.5	7.11	6.66	0–21
Educational messages	277	12	15.39	3.42	7–19
Personalized/respond to questions	113	6.5	6.28	4.16	0–14