Table 1.

Demographic data and vital status of asbestos insulator cohort (n = 2,646), 1981 to 1996

All insulators (n = 2,646)
Median, IQRn (%)
Age (y)57.7, 52.8–62.3
Serum β-carotene (μg/dL)75.5, 37–104
Age at start working (y)21.2, 18.0–25.02,638 (99.7%)
Age at death (y)66.8, 61.0–72.6984 (33.8%)
Total exposure time (y)33.0, 29.0–36.0
Past smokers1,226 (46.3%)
Current smokers886 (33.5%)
Nonsmokers534 (20.2%)
All causes of death984 (33.8%)
Lung cancer deaths219 (8.28%)