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Survey methods
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The different measures of work-related illness, workplace injury and working days lost.
Measures of workplace injury: Definitions and formulae
Measures of work-related illness: Definitions and formulae
Measures of working days lost: Definitions and formulae
Presentation of estimates
Calculation of full-day equivalent working days lost estimates and rates
Estimating working days lost due to work-related illness and workplace injury
Converting reported working days lost into full-day equivalent working days lost
Converting the number of workers into the number of full-time equivalent workers
Sampling errors and confidence intervals
Calculating confidence intervals around sample based survey estimates
Reliability thresholds
Calculating confidence intervals around sample based survey estimates of change
Improving the precision of sample estimates by pooling annual data
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Updated 2019-10-17