For example, in both of the Ontario programs, less than 30 per cent of the Claimants in the under 5 per cent and in the 50 per cent claimants were in the "less than 5 per cent" impairment or greater impairment categories had similar earnings category. [...] Those in the mid-range impair- very small share of the claimants had over 50 per cent ment categories did somewhat better in the B. C. program: impairments - one per cent in both Ontario programs, their earnings recovery increased over time at a greater two per cent in B. C. (The methods used to assess the pace than claimants in the same category under the two degree of impairment were somewhat di [...] In con- pairment (under 5 per cent; 5-10 per cent; 10-20 per cent; trast, in the over 50 per cent impairment category, over 60 20-50 per cent; and over 50 per cent), and for each of the per cent of claimants earned less than one quarter of the three workers' compensation programs. [...] The percentage of To examine earnings variability in the labour market claimants in the overall sample that achieved at least a generally, the research team selected one member of 90 per cent earnings replacement rate was 50 per cent each control group and compared the earnings of the for the pre-1990 Ontario program, 54 per cent for the selected controls over the 10-year period with those of post [...] This sum was compared with the earnings of the for labour market earnings alone - one effect of the control groups over the 10-year period beginning with the benefits programs was to smooth out the distribution of year of injury.