Identifying and definitional attributes
|Metadata item type:||Glossary Item|
|Registration status:||Health, Standard 01/03/2005|
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.
|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:|
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
Australian Institute of Health and Welfare
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
|Related metadata references:|
Supersedes Crude rate, version 1, Derived DE, NHDD, NHIMG, Superseded 01/03/2005.pdf (14.2 KB)
|Metadata items which use this glossary item:|
Age-standardised rate Health, Standard 01/03/2005