Identifying and definitional attributes | |
Metadata item type: | Glossary Item |
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METEOR identifier: | 327274 |
Registration status: | Health!, Standard 01/03/2005 |
Definition: | The ratio of the number of events in the population being studied during a certain time period to the estimated population size midway through that time period.
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Context: | Population health and health services research: Required to calculate population rates, such as incidence rates, prevalence rates, mortality rates and health service utilisation rates. |
Collection and usage attributes | |
Guide for use: | Formula: Where: |
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Comments: | Crude rates are generally multiplied by 1,000 or 100,000 to avoid small decimal fractions. It is then called the crude rate per 1,000 or 100,000 population. |
Source and reference attributes | |
Origin: | Australian Institute of Health and Welfare |
Reference documents: | Textbooks of epidemiology, demography and biostatistics. The presentation of formulae in this data element is based on the notation used in Armitage P & Berry G 1994. Statistical Methods in Medical Research. Oxford: Blackwell Scientific Publications. See also Age-standardised rate |
Relational attributes | |
Related metadata references: | Is re-engineered from Crude rate, version 1, Derived DE, NHDD, NHIMG, Superseded 01/03/2005.pdf (14.2 KB) No registration status |
Metadata items which use this glossary item: | Age-standardised rate Health!, Standard 01/03/2005 |