Document 2jk5e5vg9odK8bKbw98g2vj4r

CONCEPT AND SIGNIFICANCE 23 the ratio is lower in clerical workers than in manual workers and is lower in those doing light, than in those doing heavy, manual work. He suggested that cancer of the scrotum affects especially the classes who wash least and are most exposed to the dust of towns. Two valuable statistical analyses on the occupational incidence and dis- CANCER DEATHS--MALE GENERATIVE ORGANS U. S. Registration Area---1926-29 (Hoffman) 1. Laborers 2. Farmers 3. Gardeners 4. Fishermen and sailors 5. Army and navy 6. Transportation 7. Commercial and clerical 8. Professional 9. Machinists and mechanics 10. Textile 11. Painters 12. Blacksmiths 13. Carpenters 14. Plumbers 15. Shoemakers 16. Tailors 17. Bakers 18. Butchers 19. Printers 20. Miners, 21. Chauffeu'rs 22. Electricians 23. Miscellaneous 24. Unknown and retired Penis Deaths Per Cent 131 18.4 141 19.8 3 0.4 5 0.7 2 o-3 25 3-5 50 7-1 41 5.8 19 2.7 5 0-7 10 1.4 7 1.0 21 3-o 3 or4 5 0.7 4 0.6 2 0.3 4 0.6 7 1.0 11 1.5 5 0.7 7 1.0 72 10.1 130 18.3 710 100.0 Scrotum Deaths Per Cent 22 16.5 2.1 15.8 ---- 1 0.8 ---- 1 0.8 19 14-3 5 3-7 5 3-7 8 6.0 1 0.8 ---- 2 i-5 1 0.8 ---- -- -- 1 0.3 ---- ---- 3 2.2 -- ---- 23 17-3 20 15.0 133 100.0. tribution of cancer were made in the United States, the one by Hoffman, the other by Haagensen (1931). Hoffman tabulated the deaths from cancer of - the male generative organs (scrotum and penis) for twenty-three occupational groups according to the data obtained from the Bureau of Vital Statistics .of the United States Census. The occupational distribution of scrotal cancer, as recorded by Hoffman, VV shows much less variation than cancer of the penis. Nevertheless, there is a