May 20, 2018

CA WCIRB Releases 2017 Geo Study Report

Oakland, CA – The WCIRB has released the 2017 WCIRB Geo Study. This study uses data from diverse datasets to highlight regional differences in California workers’ compensation claim characteristics.

The Study, which controls for regional differences in wages and industrial mix, includes eleven maps illustrating regional differences. Key findings of the Study include:

  • After controlling for differences in wages and industrial mix, indemnity claim frequency is highest in the Los Angeles Long Beach region (28% above average) and lowest in the San Francisco Peninsula Silicon Valley region (20% below average).
  • Regional claim severity differences were more muted than frequency differences. The highest was in the Yuba City/Redding/ Far North region (9% above average) and the lowest in the San Bernardino/Riverside region (4% below average).
  • The share of cumulative trauma claims is much higher in Southern California than the rest of the State with a high of almost 10% in the Los Angeles/Long Beach region. For most Northern California regions, the share is 4% or less.
  • Medical legal costs and paid allocated loss adjustment expenses are significantly higher in the Bakersfield and the Los Angeles Basin regions than in the remainder of the State.

The complete Study and a mapping of nine-digit zip codes to the regions included in the Study are available in the Research section of the WCIRB website.

To access the report, click here: 2017 CA WCIRB Geo Study (PDF)

For the accompanying data files and additional reports on geographic differences, click here.

WCIRB Research Forum
The WCIRB will hold a WCIRB Research Forum webinar to discuss the Study findings:

Date: Thursday, October 26, 2017
Time: 10:00 AM – 10:30 AM Pacific Time
Register Now>

For those unable to attend the live webinar, a recording will be posted on the WCIRB Research Forum page in the Research section of the WCIRB website following the event.

Source: CA WCIRB

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