Based on these SMRs alone, it is possible to conclude that: a. The number of deaths from lung cancer in carpenters in 1949β1960 was greater than the number of deaths from lung cancer in bricklayers during the same period b. The proportionate mortality from lung cancer in bricklayers in 1949β1960 was greater than the proportionate mortality from lung cancer in the same occupational group in 1968β1979 c. The age-adjusted rate of death from lung cancer in bricklayers was greater in 1949β 1960 than it was in 1968β1979 d. The rate of death from lung cancer in carpenters in 1968β1979 was greater than would have been expected for a group of men of similar ages in all occupations e. The proportionate mortality rate from lung cancer in carpenters in 1968β1979 was 1.35 times greater than would have been expected for a group of men of similar
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Based on these SMRs alone, it is possible to conclude that: a. The number of deaths from lung cancer...
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