an increasing trendP < .001
In the period before PrEP enrollment, there was an increasing trend in quarterly C trachomatis or N gonorrhoea positivity (RR increase, 1.08 per quarter [or an 8% increase per quarter]; 95% CI, 1.05-1.11 per quarter; P < .001); however, no trend was observed after starting PrEP (RR increase, 1.01 per quarter; 95% CI, 0.99-1.02 per quarter; P = .29).