PMC full text:
Published online 2013 Jan 28. doi: 10.1371/journal.pone.0055014
Table 3
Hazard ratio (HR) for cancer and cardiovascular related mortality in childhood participants in relation to baseline arsenic exposure.
| Exposure variables | Baseline participant | Person-years | Deaths | Rate* | HR (95% CI) | |
| Baseline arsenic in well water | Unadjusted | Adjusted† | ||||
| <10 | 28853 | 189047 | 16 | 8.5 | 1.0 | 1.0 |
| 10–50 | 5083 | 33549 | 4 | 11.9 | 1.41 (0.47–4.21) | 1.53 (0.51–4.57) |
| 51–150 | 5629 | 36918 | 4 | 10.8 | 1.28 (0.43–3.83) | 1.29 (0.43–3.87) |
| >150 | 18743 | 121586 | 22 | 18.9 | 2.14 (1.12–4.07) | 2.18 (1.15–4.16) |
Test for Trend, P<0.05,
*Mortality rates per 100,000 person-years,
†Adjusted with baseline age, sex education attainment and socioeconomic status.