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Table 2 Comparison of the distribution of age, sex, years of education, SES characteristics, and baseline exposure for the total cohort and those lost to follow up

From: A prospective cohort study of stroke mortality and arsenic in drinking water in Bangladeshi adults

Characteristics Variables Participated Loss to follow-up P value
   N % N %  
Age       
  18-30 11911 23.6% 7016 65.5% <0.001
  31-60 29775 59.1% 3188 29.8%  
  +60 8684 17.2% 500 4.7%  
Sex       
  Male 20482 40.7% 5485 51.2% <0.001
  Female 29888 59.3% 5219 48.8%  
Education       
  0 21684 43.0% 2087 19.5% <0.001
  1-5 15809 31.4% 3001 28.0%  
  +6 12877 25.6% 5616 52.5%  
SES       
  1 7778 15.4% 1261 11.8% <0.001
  2 9221 18.3% 1520 14.2%  
  3 10236 20.3% 2451 22.9%  
  4 11047 21.9% 2398 22.4%  
  5 12088 24.0% 3074 28.7%  
Baseline exposure      
  <10 4516 9.0% 1050 9.8% <0.002
  10-49 18622 37.0% 4064 38.0%  
  +50 57232 54.1% 5590 52.3%