Table 2

Reasons for dropping out among index patients

My partner(s) is/are already aware of a C trachomatis infection and has/have taken action regarding diagnosis and treatment outside this study3630.52032.8
I found it unpleasant to contact my partner(s)1916.1914.8
Unknown identity of partner(s)1210.269.8
The study interferes too much with privacy/personal integrity119.358.2
Participation too complicated and time consuming75.969.8
No partner(s) through the past 12 months32.511.6
No particular reason stated3025.41423.0