Document O1xyNDrk5Y2zkO5wVG1xjv4ow

29. TABLE 3 Number and Percentage Distribution of Asbestos and Thetiord Mines Cohorts by Exposure Category Exposure Category Asbestos No. % l U HI Unknown Totals ftv. Exposure 969 564 735 5 2273 1.9 43 25 32 * 7oo% Less than . 5 % Thetiord ) Mines No. % 1062 1586 1037 0 ibis 2. 0 29 43 28 0 100% Combined No. % 2031 2150 1772 5 5958 2. 0 34 36 30 9 100% TABLE 4 Number and Percentage Distribution of Asbestos and Tnetford Mines Cohorts by Smoking Habits Smoking Habits Asbestos No. % Smokers Nonsmokers ' Unknown Totals 1931 340 2 2273 85 15 100% 9 Less than 5% Thetiord Mines No. % 2742 925 18 3685 74 25 l 100% Combined No. rtt 4673 1265 20 5958 79 21 100%