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. 2018 Oct 3;20(10):e10396. doi: 10.2196/10396

Table 1.

Number of participants at each data collection point.

Methods^a		Number of participants
		Prestudy^b	Poststudy^c	6-month follow-up^d	12-month follow-up^e
Assessment
	Ghana	864	539	464	—
	Latin America	141	60	109	—
	Remote learning group	181	35	—	—
Questionnaire
	Ghana	895	548	447	249
	Latin America	142	88	101	100
	Remote learning group	100	16	—	5
Interview
	Ghana	33	14	22	19
	Latin America	4	0	14	4
	Remote learning group	4	1	—	0
Focus group
	Latin America	59^f	—	—	14^g

^aParticipant numbers overlap between data collection methods.

^bJune to September 2015.

^cJuly to October 2015.

^dFebruary to April 2016.

^eJuly to October 2016.

^f13 groups.

^g7 groups.