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Table 2 Comparison among identified subgroups by classification tree analysis

From: Classification tree analysis to enhance targeting for follow-up exam of colorectal cancer screening

  Group 1 Group 2 Group 3 Group 4  
Variable Range or category % or mean (SD) % or mean (SD) % or mean (SD) % or mean (SD) p
Follow-up exam Yes 100 82.4 66.7 66.7 0.008
Socio-demographic characteristics      
  Age 50–59 20.8 23.5 33.3 24.4 0.767
   60–69 79.2 76.5 66.7 75.6  
  Gender Male 29.2 35.3 41.7 51.3 0.222
  Marital status Married 83.3 82.4 79.2 84.6 0.940
  Education Less than high school 8.3 0.0 8.3 5.1 0.001
   High school 58.3 58.8 37.5 50.0  
   Junior college/technical school 25.0 29.4 37.5 5.1  
   College degree or higher 8.3 11.8 16.7 39.7  
  Employment status Employed 0.0 0.0 100.0 38.5 <0.001
  Self-rated economic status Poor/Somewhat affluent 16.7 29.4 8.3 19.2 0.309
   Average 66.7 70.6 83.3 64.1  
   Affluent/Somewhat affluent 16.7 0.0 8.3 16.7  
Family history of CRC Yes 8.3 17.7 16.7 16.7 0.774
History of bowel disease Yes 100.0 0.0 58.3 42.3 <0.001
Past FOBT screening Yes 87.5 94.1 83.3 87.2 0.786
Past follow-up recommendation Yes 20.8 29.4 29.2 21.8 0.809
Past follow-up exam Yes 20.8 29.4 29.2 20.5 0.743
Psychographic characteristics      
  Intention Yes 70.8 70.6 75.0 60.3 0.492
  Perceived benefits 6–30 25.5 (3.3) 25.4 (4.0) 26.3 (3.3) 25.5 (3.8) 0.805
  Perceived susceptibility 3–15 9.3 (2.7) 9.9 (3.0) 9.8 (3.2) 8.5 (2.4) 0.071
  Perceived severity 6–30 24.3 (2.3) 24.8 (3.7) 25.2 (3.6) 18.5 (4.1) <0.001
  Perceived barriers 13–65 39.8 (10.3) 42.3 (8.2) 39.1 (8.2) 37.4 (8.3) 0.175