From: Non-participation in chlamydia screening in the Netherlands: determinants associated with young people’s intention to participate in chlamydia screening
Partners ever
N
0 partners
376
1 partner
953
2 partners
73
3 - 5 partners
33
6 - 10 partners
8
More than 10 partners
5
Condom use
Always
171
Most of the time
111
Sometimes
70
Most of the time without
142
Never
578
(No partner)