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Table 3 Results of cluster analysis: clusters with low rates (the observed number of cases is less than the expected number of cases)

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

Case definition Cluster Type No. of cases in cluster Expected No. of cases LLR Cluster Rate Ratio P- value
Sample Description       
Employment: salaried or self-employed Primary 39 69.2 15.86 0.56 <0.001
Education: more than primary Secondary 2 12.24 14.02 0.16 0.001
HIV risk behavior       
In past 6 months, paid money for sex Primary 9 20.44 6.81 0.44 0.36
In past 6 months, exchanged gifts for sex Primary 0 5.15 5.69 0.00 0.65
Sex the same day met with a partner Primary 0 5.78 7.09 0.00 0.44
Used condom last time had sex Primary 13 25.75 7.41 0.50 0.39
Had alcohol last time had sex Primary 0 5.10 6.62 0.00 0.75
Ever had anal sex with a woman Primary 0 6.14 7.25 0.00 0.18
Sexual function in the last six months       
For ≥ 2 weeks did not find sex pleasurable Primary 0 4.74 5.36 0.00 0.77
Sexually transmitted infections at baseline       
Neisseria gonorrhoeae Primary 0 5.50 7.72 0.00 0.18