P2-S8.07 Keeping participants on board: optimising uptake by automated respondent reminders in an Internet-based Chlamydia Screening in the Netherlands

Background A register- and Internet-based chlamydia screening started in 2008 among 16–29 year olds in Amsterdam, Rotterdam and South-Limburg, aiming to reduce population prevalence of chlamydia infections. Automated respondent reminders by letter, email and SMS were used to encourage and optimise participation. The contribution of reminders on package request and sample return was examined in relation to characteristics of the target population. Methods On average, 280 000 persons were annually invited by means of a personal letter. Individuals who did not respond to the invitation letter rec... Mehr ...