Permanent Disability at Private, Self-Insured Firms: A Study of Earnings Loss, Replacement, and Return to Work for Workers' Compensation Claimants


Employers that self-insure for workers' compensation have greater incentives than insured employers to return injured employees to work as quickly as possible. And because self-insured firms typically are larger, they often have more opportunities to offer injured workers modified work. This report examines the consequences of a disabling workplace injury for workers at 68 private self-insured employers in California from 1991 through 1995. Using employer-provided data on permanent disability claims, which were then linked to longitudinal data from the state of California on earnings before and after injury, the authors estimate the earnings losses associated with a permanent disability and examine the post-injury employment patterns of permanent disability claimants. They found significant earnings losses for claimants at the self-insured firms--more than 20 percent of earnings over the five years after injury. The authors compared the experiences of workers at self-insured firms with workers at insured firms and found lower proportional losses at self-insured firms, but also slightly lower replacement rates. They also found better return to work at self-insured firms. However, when controlling for pre-injury earnings, industry, and firm size, differences in earnings losses between workers injured at self-insured and insured firms are diminished.

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