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A randomised controlled trial of an intervention delivered by mobile phone messaging to reduce sexually transmitted infections (STI) by increasing sexual health precaution behaviours in young people.
A single blind randomised controlled trial to establish the effects of a safer sex intervention delivered by text message.
Objectives:
To establish the effectiveness of a safer sex intervention delivered by mobile phone messaging on STI infection at one year.
To establish the effect of the intervention on partner notification and condom use at 4 weeks.
To establish the effect of the intervention on partner notification, condom use and STI testing at one year.
To explore which components of the intervention are effective by collecting data on the theoretical constructs influenced by the intervention components and on the pathway to behaviour change.
To establish the costs and cost-effectiveness of the intervention.
Primary Endpoint: Cumulative incidence of Chlamydia and gonorrhoea infection at one year.
Inclusion Criteria:
- Either;
- have received a positive Chlamydia or gonorrhoea test result or have been diagnosed with NSU in the last 2 weeks
- OR have started treatment for Chlamydia, gonorrhoea, or NSU in the last 2 weeks
- own a personal mobile phone
- be aged 16 to 24 (according to clinic data)
- be able to provide informed consent
Exclusion Criteria:
- known to be a sexual partner of someone already recruited to the trial.
