“…Some workers know they are suffering from an impairment but do not know the health condition was caused by work [Pransky et al, 1999;Rosenman et al, 2000]. -Reimbursement for medical care or short-term disability benefits is available from an alternative system [Biddle et al, 1998;Morse et al, 1998;Rosenman et al, 2000;Biddle and Roberts, 2003;Fan et al, 2006]. This correlates with the fact that workers in smaller firms are more likely to file claims [Biddle et al, 1998], as large firms are more likely to provide a full range of private insurance coverage.…”