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 | Â | Â | Â | Â | Â | Â |
 | 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 | Â | Â | Â | Â | Â | Â |
 | Male | 20482 | 40.7% | 5485 | 51.2% | <0.001 |
 | Female | 29888 | 59.3% | 5219 | 48.8% |  |
Education | Â | Â | Â | Â | Â | Â |
 | 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 | Â | Â | Â | Â | Â | Â |
 | 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 | Â | Â | Â | Â | Â | |
 | <10 | 4516 | 9.0% | 1050 | 9.8% | <0.002 |
 | 10-49 | 18622 | 37.0% | 4064 | 38.0% |  |
 | +50 | 57232 | 54.1% | 5590 | 52.3% |  |