Table 3

Proportion of CT-positive samples correlated to test frequency in persons using self-sampling or clinic-based testing

Number of samples	Self-sampling		Proportion of CT-positive samples	Clinic-based		Proportion of CT-positive samples	P value	Self-sampling and clinic-based		Proportion of CT-positive samples	P value
Number of samples	Self-sampling		Proportion of CT-positive samples	Clinic-based		Proportion of CT-positive samples	P value	Self-sampling and clinic-based		Proportion of CT-positive samples	P value	Men	Individuals	Samples	Individuals	Samples	Individuals	Samples
1	7733	7733	7.1	29 009	29 009	8.5	<0.001
2	1635	3270	8.7	6276	12 552	11.5	<0.001	1967	3934	11.7	<0.001
>2	1120	4855	7.6	3771	15 183	11.1	<0.001	3161	15 031	11.1	<0.001
Women
1	6019	6019	3.5	55 449	55 449	2.5	<0.001
2	1507	3014	4.1	17 293	34 586	4.2	0.62	3300	6600	5.7	0.0011
>2	1305	5953	4.0	14 666	62 485	6.8	<0.001	9950	55 141	6.8	<0.001

P values calculated with the proportion of CT-positive samples for self-collected samples as reference.
CT, Chlamydia trachomatis.