Table 4

Variation in reporting a sexual health check among those who did not report an sexually transmitted infection (STI) in the previous 12 months by sexual behaviour in previous 6 months and known HIV status (N=2668*) (missing values for each variable not shown)

	N	Check-up <12 months	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
	N	n (%)	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
Male partners				†
0	220	50 (23)	0.49 (0.34 to 0.71)	0.86 (0.57 to 1.3)
1	595	222 (37)	Ref.	Ref.
2–5	1098	489 (45)	1.3 (1.1 to 1.7)	1.4 (1.2 to 1.8)
6–10	399	196 (49)	1.6 (1.3 to 2.1)	1.6 (1.3 to 2.2)
11–20	263	149 (57)	2.2 (1.6 to 3.0)	2.2 (1.6 to 2.9)
21–50	158	103 (65)	3.1 (2.2 to 4.6)	3.1 (2.1 to 4.6)
>50	49	32 (65)	3.2 (1.7 to 5.9)	3.0 (1.6 to 5.6)
Male partners				‡
None	230	52 (23)	0.43 (0.30 to 0.62)	0.46 (0.32 to 6.7)
Only regular	419	170 (41)	Ref.	Ref.
Regular and casual	1637	829 (51)	1.5 (1.2 to 1.9)	0.89 (0.63 to 1.2)
Only casual	508	198 (39)	0.94 (0.72 to 1.2)	0.62 (0.43 to 0.90)
Any anal sex				§
Yes	2064	1027 (50)	2.4 (2.0 to 3.0)	1.9 (1.5 to 2.4)
No	612	177 (29)	Ref.	Ref.
Regular partners and condom use				§
No anal sex	178	67 (38)	0.47 (0.33 to 0.67)	0.54 (0.38 to 0.77)
High condom use	506	284 (56)	Ref.	Ref.
Medium/low condom use	605	296 (49)	0.75 (0.59 to 0.95)	0.81 (0.64 to 1.04)
No regular partner/NS	1579	633 (40)
Casual partners and condom use				§
No anal sex	417	149 (36)	0.52 (0.41 to 0.60)	0.52 (0.42 to 0.66)
High condom use	1271	654 (57)	Ref.	Ref.
Medium/low condom use	406	205 (50)	0.96 (0.77 to 1.2)	0.96 (0.77 to 1.2)
No casual partner/NS	774	272 (35)
HIV status at last HIV test				‡
HIV positive	111	78 (70)	1.8 (1.2 to 2.7)	1.7 (1.1 to 2.5)
HIV negative	1885	1073 (57)	Ref.	Ref.
Never tested/no result	835	113 (14)	0.12 (0.09 to 0.15)	0.12 (0.10 to 0.16)

*The total in the sample less this who reported any STI or did not answer that question.
†Adjusted for anal sex.
‡Adjusted for number of partners and anal sex.
§Adjusted for number of partners.