Primary and secondary outcomes.

<p>Primary and secondary outcomes.</p

Effect of the SH:24 intervention on STI testing by subgroup.

<p>Interaction test: chi-squared = 12.36 on 9 degrees of freedom, <i>P =</i> 0.19. Estimates derived from the complete cases. MSM, men who have sex with men; STI, sexually transmitted infection.</p

Secondary outcomes (time to event).

<p>Secondary outcomes (time to event).</p

Effect of the SH:24 intervention on STI diagnoses by subgroup.

<p>Interaction test: chi-squared = 4.57 on 5 degrees of freedom, <i>P =</i> 0.46. Estimates derived from the complete cases. MSM, men who have sex with men; STI, sexually transmitted infection.</p

Baseline characteristics of participants.

<p>Baseline characteristics of participants.</p