Spatial distribution and cluster analysis of sexual risk behaviors reported by young men in Kisumu, Kenya

Table 2 Results of cluster analysis: clusters with high rates (the observed number of cases is greater than the expected number of cases)

Case definition	Cluster Type	No. of cases in cluster	Expected No. of cases	LLR	Cluster Rate Ratio	P- value
Sample Description
Age group: 21-24	Primary	11	5.27	8.20	2.09	0.23
Marital status: married or cohabitating	Primary	2	0.09	6.27	22.22	0.70
Importance of religion: quite or very important	Primary	38	30.25	8.97	1.26	0.10
Employment: salaried or self-employed	Secondary	31	15.78	13.20	1.96	0.003
Education: more than primary	Primary	88	68.42	14.49	1.29	<0.001
Education: more than primary	Secondary	124	104.44	9.31	1.19	0.07
HIV risk behavior
Condom use in the past 6 months: once or more	Primary	36	27.24	8.13	1.32	0.16
Age at sexual debut: <15 years of age	Primary	8	2.69	8.83	2.97	0.13
Condom use in the past 6 months: less than half
the time	Primary	73	49.55	11.17	1.47	0.01
Sexual function in the last six months
For ≥ 2 weeks experienced lack of interest in sex	Primary	16	8.19	4.37	1.95	0.99
For ≥ 2 weeks was unable to come to a climax	Primary	2	0.073	5.35	27.40	0.43
For ≥ 2 weeks came to a climax too quickly	Primary	2	0.07	5.35	28.57	0.43
For ≥ 2 weeks experienced pain during intercourse	Primary	3	0.27	5.35	11.11	0.70
For ≥ 2 weeks had trouble achieving or maintaining an erection	Primary	3	0.28	5.22	10.71	0.73
Any dysfunction in the past 6 months	Primary	6	1.67	7.76	3.59	0.28
Sexually transmitted infections at baseline
HSV2	Primary	5	1.28	6.89	3.91	0.43
Syphilis	Primary	2	0.096	4.72	20.83	0.52
Trichomonas vaginalis	Primary	3	0.27	5.39	11.11	0.36
Chlamydia trachomatis	Primary	2	0.09	6.31	22.22	0.67
Any STI at baseline	Primary	5	1.50	6.06	3.33	0.82

ISSN: 1476-072X