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Table 4 Results of cluster analysis for ordinal and nominal variables

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
Education: Cluster #1 Primary    14.72   0.004
   Primary   26 41.96   0.62  
   Any secondary   90 91.58   0.98  
   Post-secondary   34 16.46   2.07  
Education: Cluster #2 Secondary    14.49   0.005
   Primary   7 26.58   0.26  
   Any secondary or post-secondary   88 68.42   1.29  
Education: Cluster #3 Secondary    12.53   0.011
   Primary   12 3.64   3.30  
   Any secondary   1 7.94   0.13  
   Post-secondary   0 1.43   0.00  
Preference for dry vs. wet sex Primary    10.04   0.36
   Prefer wet sex   40 28.36   1.41  
   Prefer dry sex   16 33.28   0.48  
   No preference   11 8.67   1.27  
   Don't know   8 4.69   1.71  
Number of partners in the last 12 months Primary    8.81   0.27
   One   5 13.24   0.38  
   Two   7 10.81   0.65  
   Three or more   26 13.95   1.86