The spatial context of clinic-reported sexually transmitted infection in Hong Kong

BMC Infectious Diseases

Table 3 Comparison between STI patients living nearby and at a distance (n = 1029)

Factor		Distant cases^#	Neighbourhood cases^#	OR	95% CI
Age*	< = 55	759	140	0.589	0.379 - 0.916
	> 55	99	31
Gender	Male	547	105	0.905	0.645 - 1.268
	female	311	66
Ethnicity	Non-Chinese	46	8	1.09	0.478 - 2.483
	Chinese	812	163
past STD	No	750	146	1.184	0.74 - 1.895
	Yes	108	25
Presentation	Asymptomatic	303	67	1.082	0.774 - 1.513
	Symptomatic	555	104
Condom use
	Use for last sex, casual partner	290	52	0.71	0.46 - 1.094
	Inconsistent use^¶, casual partner*	239	35	0.465	0.281 - 0.768
	Use for last sex, regular partner	220	38	0.824	0.548 - 1.24
	Inconsistent use^¶, regular partner	199	31	0.739	0.477 - 1.146
Specific diagnosis
	Syphilis*	30	12	0.48	0.241 - 0.958
	Gonorrhoea	45	7	1.297	0.575 - 2.926
	NGU/NSGI^†	155	38	0.772	0.517 - 1.152
TOTAL	1029	858	171

^#Nearby cases - patients living in the same or adjacent TPU (tertiary planning unit); Distant cases - patients living at a distance from the clinic
*p < 0.05
^¶Inconsistent condom use = not using condom, or using condom infrequently at sexual encounters in the 3 month period prior to the current episode of STI that has led to the clinical consultation.
^†NGU/NSGI = non-gonococcal urethritis/non-specific genital tract infection

ISSN: 1471-2334