Individuals and test size reason
An overall total of 400 topics should be recruited for the RCT. Predicated on an impact measurements of 0.3 (as reported in meta-analysis ), it’s been determined that the test size for every single group should really be 175 (for example. 350 as a whole) to accomplish 80% power in detecting a between-group distinction using a separate t-test at a 0.05 importance degree. Presuming a believed 12.4% attrition price (as reported in a RCT in a comparable environment ), a complete of 400 subjects (for example. 200 subjects in each team) is important.
To qualify for addition into the RCT, people must certanly be i that is( MSM, (ii) cis male, (iii) aged 18 or above, (iv) present dating application users, (v) -negative, (vi) intimately active, and (vii) able to see and comprehend Chinese.
Numerous resources of recruitment shall be used. First, neighborhood non-governmental organisations that target the MSM population will make it possible to recruit individuals. Second, because of the high prevalence of dating use that is app college students based in the previous research , mass college email messages and on-campus posters will likely be utilized to recruit possible individuals. Third, marketing materials is going to be published on social media and online discussion boards focusing on MSM. 4th, direct recruitment via dating apps will need destination. Finally, snowballing is supposed to be utilized, with enrolled individuals asked to invite possibly interested buddies to get in on the research. Continue reading The safe usage of dating applications among men that have sex with guys: a report protocol for a randomised managed test to assess an interactive web-based intervention to lessen high-risk intimate behaviours