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Table 1 Total numbers of deaths from ‘phthisis’ and denominators by occupational category, 1890–92, 1900–02 and 1910–12

From: Working conditions and tuberculosis mortality in England and Wales, 1890–1912: a retrospective analysis of routinely collected data

Period Exposed Occupations Unexposed Occupations Uncategorised Occupations
Number of deaths Person years of follow up Mortality rate per 100,000 per year Number of deaths Person years of follow up Mortality rate per 100,000 per year Number of deaths Person years of follow up Mortality rate per 100,000 per year
1890–1892 8003 3,778,203 211.8 11,921 6,612,453 180.3 35,883 12,692,445 282.7
1900–1902 6773 4,215,931 160.7 9484 6,968,242 136.1 36,543 15,457,624 236.4
1910–1912 9186 6,804,315 135.0 7078 6,278,787 112.7 39,796 19,541,255 203.7
Total 23,962 14,798,449 161.9 28,483 19,859,482 143.4 112,222 47,691,324 235.3