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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%

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