Pay-it-forward gonorrhea and chlamydia testing among men who have sex with men and male STD patients in China: the PIONEER pragmatic, cluster randomized controlled trial protocol

Table 2 Secondary outcomes of the cluster RCT

Outcome	Time Frame	Ascertainment
Syphilis testing	During enrollment visit	Administrative data
Amount donated	During enrollment visit	Administrative data
Azithromycin resistance based on culture and molecular methods	During enrollment visit	Laboratory result
Ceftriaxone resistance based on culture and molecular methods	During enrollment visit	Laboratory result
The number of participants who tested positive for Gonorrhea	During enrollment visit	Laboratory result
The number of participants tested positive for chlamydia	During enrollment visit	Laboratory result
Cost per test^a	During enrollment visit	Costing data collection
Adapted gratitude scale	During enrollment visit	Self-report
Community solidarity scale^b [49]	During enrollment visit	Self-report²

^aCost per test is defined as the cost associated with respective interventions (development, start-up, implementation, intervention) per individual who reported testing for gonorrhea and chlamydia following the intervention; economic test and financial cost are reported separately
^bCommunity solidarity involves engagement, social network support, and a sense of belonging. These items were used in our previous pay-it-forward research study [49]

ISSN: 1471-2458