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