Background
Use of smartphone dating applications (apps): a contemporary phenomenon
Dating app use among men who have sex with men
The use of dating apps: an emerging risk factor in sexual health
Efficacy, feasibility and acceptability of interactive web-based interventions
Proposed theoretical framework: theory of planned behaviour
Aims and objectives
Hypotheses
Methods
Study design
Participants and sample size justification
Sampling frame
Online enrolment and consent
Randomisation and allocation concealment
Intervention group
Control group
Study outcomes
- Frequency of condomless anal sex in the past 3 months is measured by a self-reported item at baseline, 3-month follow-up and 6-month follow-up.
- Frequency of group sex in the past 3 months is measured by a self-reported item at baseline, 3-month follow-up and 6-month follow-up.
- Frequency of chemsex in the past 3 months is measured by a self-reported item at baseline, 3-month follow-up and 6-month follow-up.
- Self-efficacy in condom use is measured by the validated traditional Chinese version of the Condom Self-Efficacy Scale at baseline, 3-month follow-up and 6-month follow-up [43].
- Attitudes towards condom use is measured by the UCLA Multidimensional Condom Attitudes Scale at baseline, 3-month follow-up and 6-month follow-up [44].
- Frequency of HIV testing in the past 3 months is measured by a self-reported item at baseline, 3-month follow-up and 6-month follow-up.
- Frequency of STI testing in the past 3 months is measured by a self-reported item at baseline, 3-month follow-up and 6-month follow-up.
Study period | |||||
---|---|---|---|---|---|
Enrolment | Allocation | Post-allocation | Close-out | ||
Timepoint | -t1 | 0 | T0 | T1 | T2 |
Enrolment: | |||||
Eligibility screen | X | ||||
Informed consent | X | ||||
Allocation | X | ||||
Interventions: | |||||
Intervention group | X | X | |||
Control group | X | X | |||
Assessments: | |||||
Primary outcome and secondary outcomesa | X | ||||
Primary outcome and secondary outcomesa | X | X |