Table 7 Internal comparison between workers exposed ≥ 1 year and the non-exposed workers (white collars)
From: Health status of male steel workers at an electric arc furnace (EAF) in Trentino, Italy
Groups (N. of subjects) | Observed | Expected | SMR | 95 % CI | Person Years |
|---|---|---|---|---|---|
Exposed Workers ≥ 1 year (n.331) | 29 | 25.69 | 1.13 | 0.76–1.62 | 6731.0 |
Non-exposed (controls) (n.32) | 1 | 2.09 | 0.47 | 0.01–2.67 | 491.3 |
Comparison exposed/non exposed workers | RR: 2.34 | 0.39–95.72 | |||
Avoidable deaths | 16.6 | 0–28.7 | |||