The CHeReL regularly links additional datasets that are not routinely contained within the Master Linkage Key. More than 100 additional datasets have been linked ranging from public laboratory, toxicology and screening data, to administrative data from other sectors such as transport, justice, community services and primary research data collections of cohort or trial participants.
This section of the website is being includes information about a small number of these datasets, with metadata where available.
Please contact us for further information about any additional datasets.
The Blue Mountains Eye Study
The Blue Mountains Eye Study (BMES) is a large population-based
assessment of visual impairment and common eye diseases of a
representative older Australian community sample. The data
collection also contains information on hearing, general
health (e.g. diet, blood measures, BMI, diabetes, vascular
risk factors, family history) and standardised functional measures
(cognitive, ADL, HRQoL, and other instruments).
NSW Cancer, Lifestyle and Evaluation of Risk (CLEAR) study
The NSW CLEAR Study is a large scale epidemiological data and
bio-bank for all adult cancers.
Neonatal Intensive Care Units' Data Collection
The Neonatal Intensive Care Units' (NICUS) Data Collection is a
collective database containing information on infants requiring
surgery or ventilatory support from all 10 Neonatal Intensive Care
Units in NSW and the ACT
NSW Register of Congenital Conditions
The NSW Register of Congenital Conditions (formerly known as the
NSW Birth Defects Register) is a population-based surveillance
system established to monitor congenital conditions detected during
pregnancy or at birth, or diagnosed in infants up to one year of
The Hunter Community Study
The Hunter Community Study (HCS) is a cohort study of older
Australians (aged 55-85) living in the Hunter Region of NSW.
Demographic, clinical and biochemical (blood test) information has
been collected from the participants between 2004 and 2008
Australian Longitudinal Study on Women's Health
The Australian Longitudinal Study on Women's Health (ALSWH) is a
national longitudinal study of three birth cohorts of women
(1973-1978, 1946-1951, 1921-1926) which collects information on
women's health and well-being to inform policy makers at state and
Pharmaceutical Drugs of Addiction System
The Pharmaceutical Drugs of Addiction System (PHDAS) is an
administrative database used by the Pharmaceutical Services Unit of
NSW Health to administer programs which involve the prescription of
drugs of addiction. PHDAS consists of three subsystems: the
Methadone Subsystem, the Non-Methadone Subsystem and the Stimulant
PHDAS databases record patient details, prescriber details,
administration point details, program (treatment) information and
Other external datasets
For all other external datasets, please complete an external
dataset variable list.