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. 2016 Jan 21;59(4):274–289. doi: 10.1002/ajim.22563

Table VII.

Nine Year Average Incidence Ratios (IR) for Unreported Washington State Fund Workers’ Compensation Time Loss Claims in SOII by SOII Survey Characteristics

PR (95%CI)
Sampled workforce
Sub‐account versus UI account 1.13 (1.08, 1.18)
Cases requested by BLS
Subset based on injury date versus all in in survey year 1.16 (1.07, 1.26)

IRs adjusted for survey year, nature of injury, and joint effect of industry and size.