Table 1.

Tools, methods and description of information collected in the trial

Tool	Method and frequency	Description of data collected
Site assessment tool	• Completed by TTANGO Coordinators at baseline, and updated 6 monthly in all health services.	Broad description of:
		(i) Clinical services and staffing
		(ii) STI testing practices
		(iii) Patient information system
		(iv) Clinic setting as it relates to location of GeneXpert machine and consumables
Clinical data (quantitative)	• Collated from one or more of the following sources:	(i) Patient consultation data and associated demographics
	(i) Health service patient information management systems	(ii) STI testing (point of care and laboratory), retesting and treatment outcomes
	(ii) Laboratory data
	• Extracted 3 monthly for all health services
Quality management data	• Services record results of EQA and forward to coordinators,	• External quality assurance and internal quality control test results
	• twice during POC phase	• Temperature range of consumables during transport
	• Internal quality control testing, once per month	• Multiple choice quiz and observed practice against competency standards
	• Temperature monitoring of test consumables during transport
	• Knowledge and competency assessment of staff following training in GeneXpert usage
Surveys (quantitative)	• Staff acceptability survey at end of POC phase	• Confidence using the test; satisfaction with training; trust in the results; ease of use; experience of discordant results; and impact on health service operations.
	• Client acceptability survey, with attending clients in last month of POC phase
		• Preference for testing modality (POC test vs conventional); convenience; satisfaction with test process and communication of results
In-depth interviews (qualitative)	• Stakeholders (national)	• Challenges and implications of introducing POC testing
	• Stakeholders (national and international)	• Quality management and training considerations
		• Acceptability
	• Health service staff