Table 1.

Summary of interventions

Study Author, Year	Participants (Completed)	Sample Of Population	Intervention Duration	mHealth Delivery System	Study Design	Type of Control
Chang, 2012	970	Rural Ugandans; peer health (PH) workers at 10 clinics and 970 patients cared for by the PH workers	26 months	Text message	Cluster randomized trial	Usual care
Lau, 2014	206 (118)	Pregnant women >18 in Cape Town, South Africa	9 months	Text message	Mixed methods study	Usual care
Lepper, 2013	4, 768	Rural and Urban Ugandans	24 months	Text message	Retrospective comparison	Received intervention but no incentives
Meankaew, 2010	534	At risk groups for malaria along the Tha-Myanmar border	12 Months	Text message	Two-arm proof of concept	Usual case follow-up
Odigie, 2011	1176 (1160)	Individuals recruited from the clinics of the Ahmadu Bello University Teaching Hospital in Zaria, Nigeria	24 months	Mobile phone calls	Single arm trial	None
Piette, 2012	200 (181)	Participants living in Honduras and Mexico between 18- 80 years old with high systolic blood pressure (≥140mmHg if nondiabetic; ≥130 mmHg if diabetic) and access to a cell phone or landline	6 weeks	Phone and email	Randomized trial	Usual Care
Tran, 2010	30	Individuals living in Cairo, Egypt with a visible skin lesion	4 weeks	Store and Forward using mobile Phone and internet	Single arm design	None