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. 2013 Jan 11;3(1):e001938. doi: 10.1136/bmjopen-2012-001938

Table 1.

‘Age’-standardised hospitalisation ratios (SHR) (A) and ‘age and social group’ SHR (B) due to chronic lower respiratory diseases among male workers in the demolition and cement industry with 95% CI

A
B
Job type Persons Observed Expected SHR 95% CI SHR 95% CI
Demolition worker 895 29 22.2 131 87 to 188 112 75 to 161
Cement worker 5633 209 156.3 134 117 to 153 121 105 to 138

Denmark 1995–2009.