Table 2.

Association of characteristics with Mycoplasma genitalium and Chlamydia trachomatis in NCSP attendees

Characteristic	(N=2441) Per centage of women with characteristic	M genitalium (%) (proportion of women)	aOR* (95% CI)	p Value	C trachomatis (%) (proportion of women)	aOR* (95% CI)	p Value
Age
15–19	41.6	2.8 (29/1045)			8.3 (87/1045)
20–24	56.5	2.0 (28/1396)			5.7 (79/1396)
Ethnicity
White	46.6	2.0 (23/1138)	1		7.4 (84/1138)	1
Black or black British	12.8	4.8 (15/314)	2.3 (1.2 to 4.5)	0.01	8.3 (26/314)	1.1 (0.7 to 1.7)	0.83
Asian or Asian British	4.4	1.9 (2/108)	0.9 (0.2 to 4.0)	0.93	6.2 (5/108)	0.6 (0.3 to 1.6)	0.33
Mixed	7.7	3.7 (7/187)	1.8 (0.8 to 4.3)	0.18	10.2 (19/187)	1.3 (0.8 to 2.3)	0.29
Other ethnic groups	28.4	1.4 (10/694)	0.7 (0.3 to 1.5)	0.35	4.6 (32/694)	0.6 (0.4 to 0.9)	0.01
New sexual partner in previous 3 months
Yes	31.5	3.2 (25/770)	1.5 (0.8 to 2.6)	0.20	9.2 (71/770)	1.6 (1.1 to 2.3)	0.01
No	39.3	2.2 (21/959)	1		5.8 (56/959)	1
Do not want to answer	0.2	0.0 (0/6)	–	–	0.0 (0/6)	–	–
Not filled in	28.9	1.6 (11/706)	0.7 (0.3 to 1.4)	0.33	5.5 (39/706)	0.9 (0.6 to 1.4)	0.69
Sex with >1 partner within 12 months
Yes	30.8	3.9 (29/751)	2.4 (1.3 to 4.4)	0.01	10.0 (75/751)	2.0 (1.4 to 2.8)	<0.01
No	39.5	1.7 (16/963)	1		5.4 (52/963)	1
Do not want to answer	0.3	0.0 (0/8)	–	–	0.0 (0/8)	–	–
Not filled in	29.5	1.7 (12/719)	1.0 (0.5 to 2.1)	0.99	5.4 (39/719)	1.0 (0.6 to 1.5)	0.99
Specimen
Cervical/	1.3	3.2 (1/31)	3.3 (0.4 to 25.8)	0.26	9.7 (3/31)	2.0 (0.6 to 7.4)	0.21
Self-taken vaginal	40.4	4.2 (41/986)	4.2 (2.3 to 7.6)	<0.001	9.3 (92/986)	2.0 (1.5 to 2.8)	<0.001
First catch urine	58.3	1.0 (15/1424)	1		5.0 (71/1424)	1

*aOR, ORs adjusted for age only.