Background Increasing vaccination coverage against SARS-CoV-2 enabled relaxation of
lockdowns in many countries in Europe. As the vaccination rollouts progressed, the public …

Sexually transmitted infection (STI) testing without face-to-face counselling is increasingly
offered at sexual health centers (SHC), and ordering self-sampling tests online is becoming …

Objectives: Pre-exposure prophylaxis (PrEP) use may influence sexual behaviour and
transmission of STIs among men who have sex with men (MSM). We aimed to quantify the …

This study identified subgroups of sexual behaviors associated with increased STI/HIV risk
among those eligible for but not using pre-exposure prophylaxis (PrEP) in order to improve …

As individual sexual behavior is variable over time, the timing of interventions might be vital
to reducing HIV transmission. We aimed to investigate transitions between HIV risk levels …

Introduction Response rates in health research are declining, and low response rates could
result in biased outcomes when population characteristics of participants systematically …

Background Great heterogeneity in sexually transmitted infections (STI) risk exists, and
investigating individual-level characteristics related to changes in STI risk over time might …

Prevention of infectious diseases depends on health-related behavior, which is often
influenced by psychological characteristics. However, few studies assessing health-related …

Background Chlamydia trachomatis (chlamydia), the most commonly reported sexually
transmitted infection (STI) in the Netherlands, can lead to severe reproductive complications …

Risk perception plays an important role in testing behaviour for sexually transmitted
infections, but is rarely included in mathematical models exploring the impact of testing. We …