Reducing provider workload while preserving patient safety via a two-way texting intervention in Zimbabwe’s voluntary medical male circumcision program: study protocol for an un-blinded, prospective, non-inferiority, randomized controlled trial

Table 1 Study participants

Group name/description	Data collection method	Age range of subjects (years)	Target number of individuals
Pilot: assigned texting	Usability survey, routine VMMC clinical review; 2wT texting database	18–65	50
Main study: randomized texting	Usability survey, routine VMMC clinical review; 2wT texting database; day-14 review	18–65	361
	Subset of first 100 willing to complete the satisfaction and acceptability questionnaires
	Time-motion subset
Main study: randomized control group	Routine VMMC clinical review; day-14 review	18–65	361
Healthcare workers	Key informant interview	18–65	~ 8

ISSN: 1745-6215