Table 3.

Summary of text messaging in outpatients with PTSD, suicide attempters, and patients with anorexia and/or bulimia.

Authors (year)	Country	Population (sample)	Text intervention	Principal outcome	Method, duration	Result
Chandra et al (2014).	India	Girls in the age range of 16-18 years from urban slums (n=40)	Information messages about health promotion	Feasibility and acceptability	Pilot qualitative study, 1 month	Mobile text messages are a feasible and culturally acceptable method for mental health promotion.
Kunigiri et al (2014).	UK	Psychiatry outpatients (n=2556)	Text message reminders	Attendance at follow-up appointment	Three-arm comparative study, text messages sent 14 days and 2 days prior to appointment	Significant increase in the attendance in text message reminder group compared to telephone
Branson CE et al (2013).	USA	Psychiatry outpatient (n=48)	Text message reminders	Text message reception rate	Pilot study exanimating technical feasibility	Patients received 88% of scheduled text messages. High patient satisfaction reported.
Price et al (2014).	USA	Patient suffering from PTSD (n=29)	Self-monitoring	Responding rate	Pilot study, 3 months	Text message described as a viable method to monitor PTSD.
Furber et al ( 2014)	Australia	Patient presenting to the Emergency Department for emotional crisis (n=68)	Supportive messages	Text message intervention acceptance rate	Non-randomized comparative prospective study (compared to historical control group, 6 months	66% of patients accepted the intervention. No significant differences in clinical outcomes between groups.
Chen et al (2011)	China	Patients discharged after suicide attempt (n=15)	Supportive messages	Feasibility and acceptability of messages to attempters after discharge	Pilot study, 1 month	Seen as feasible and acceptable to suicide attempters. Showed desire to keep receiving message.
Berrouiguet et al (2014)	France	Patients discharged after suicide attempt (n=15)	Supportive and information messages	Feasibility and acceptability	Pilot study, 12 months	Suicide attempters accepted text messages.
Berrouiguet et al (2014)	France	Patients discharged after suicide attempt (n=520)	Supportive and information messages	Suicide reattempts	Study protocol of randomized controlled study	To be published
Robinson et al (2006)	UK	Patients with bulimia nervosa (n=21)	Self-monitoring	Acceptability and feasibility	Pilot study, six months	Low participation rate and high attrition rate
Shapiro JR et al (2010)	USA	Patients with bulimia nervosa (n=31)	Self-monitoring	Participation rate	Pilot study, six months	87% of participants adhered to self-monitoring.
Lucht et al (2014)	Germany	Patient with bulimia nervosa (n=165)	Self-monitoring	Impact of text messaging on remission rate after 8 months	Randomized controlled trial, 16 weeks	Text messaging improved remission rate in intervention group (51%) compared to control group (36.1%).