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Table 3 Injury rate per 1000 workers and Incidence Rate Ratio (IRR) (reference: SMPC 2005) in the metalworking industry after propensity score matching [IRR: incidence rate ratio; CI = confidence interval]

From: Differences in work injury risk between immigrants and natives: changes since the economic recession in Italy

  HICa SMPCb
No. of injuries Injury rate 95% CI IRR 95% CI No. of injuries Injury rate 95% CI IRR 95% CI
2005 33 4.24 (3.20–5.27) 0.37 (0.24-0.54) 86 11.49 (9.12–13.86) 1
2010 49 6.36 (4.90–7.81) 0.55 (0.39–0.79) 98 13.37 (10.08–16.66) 1.16 (0.87–1.55)
  1. a: HIC - high income country b: SMPC - strong migratory pressure country