Table 1.
Participant characteristics
| Parameters | Total (n = 137) | Male (n = 70) | Female (n = 67) | P value |
|---|---|---|---|---|
| Previously worked at the arsenic mine, n (%) | 91 (66.4) | 54 (77.1) | 37 (55.2) | 0.01* |
| Initial age of arsenic exposure, year | 0 (0–16) | 0 (0–48) | 1 (0–42) | 0.85 |
| Participants with arsenic exposure during infancy and early childhood, n (%) | 89 (65.4) | 51 (72.9) | 38 (57.6) | 0.07 |
| Participants exposed before 1942, n (%) | 107 (83.6) | 58 (87.9) | 49 (79.0) | 0.23 |
| Age in 1962 when the mine closed | 42 (34.0–51.0) | 43 (16–62) | 41 (20–61) | 0.87 |
| Survivors in 2014, n (%) | 27 (19.7) | 15 (21.4) | 12 (17.9) | 0.67 |
| average age, year (survivors, n = 27) | 81 (77.5–83.5) | 81.8 (67.6–93.9) | 81.4 (72.1–91.8) | 0.88 |
| average age of death, year (non-survivors, n = 110) | 79 (70.3–85.0) | 75.1 (55.6–92.9) | 80.8 (56.7–97.8) | 0.05 |
*P < 0.05, categorical variables are shown as numbers (percentages) and continuous variables are shown as medians (25th–75th percentiles)