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Childhood Cognitive Antecedents Of Adult Psychopathology: Follow-up Of The Port Pirie Lead Cohort Into Adulthood
Funder
National Health and Medical Research Council
Funding Amount
$587,263.00
Summary
The role of childhood factors in the development of adult psychiatric disorder is an important public health concern. Indvividuals identified before birth and followed across the life course offer the most powerful means of establishing predictors for particular types of psychiatric disorder. Not only do these studies enable researchers to more clearly determine the exact age of onset of disorder but they also give us insight into the background and hence possible risk factors that may have lead ....The role of childhood factors in the development of adult psychiatric disorder is an important public health concern. Indvividuals identified before birth and followed across the life course offer the most powerful means of establishing predictors for particular types of psychiatric disorder. Not only do these studies enable researchers to more clearly determine the exact age of onset of disorder but they also give us insight into the background and hence possible risk factors that may have lead to the development of that disorder. Early identification of disorder can significantly reduce public health cost and reduce the burden on the community by enabling individuals to get help before their symptoms become too severe and unmanageable. Few long-term studies have investigated the combined role of pre-natal, developmental, parental characteristics, biological and childhood cognitive risk factors in the development of adult psychiatric dysfunction. Even fewer studies have examinined this interrelationship in a group of individuals who have been exposed to an environmental toxin such as lead. This study will follow-up 723 adults from the lead smelting city of Port Pirie who were originally recruited between 1979 and 1982. All adults were exposed to lead to some degree in childhood and have been followed over various time points over the course their lives. This project will be conducted 27 years since they were first involved, and will hence be one of the longest studies to be conducted in this field. The extensive information already collected on this group of individuals will enable us to create a very comprehensive picture of risk and protective factors for various types of adult disorder.Read moreRead less
Prof Lynch is an epidemiologist interested in understanding, quantifying, developing, and applying the evidence base for universal, targeted and clinical population health interventions, particularly in early life, that will improve overall population health and reduce health inequalities.
Biomechanical And Physiological Responses Of Children And Young Adults To Different Computer Workstations
Funder
National Health and Medical Research Council
Funding Amount
$207,352.00
Summary
Computer use is increasing with 95% of Australian primary school children now using computers. Two out of three children and three out of four adult workers report pain associated with computer use. This has lead to concerns that increased computer use may be responsible for an increase in musculoskeletal disorders in young people. Little is known about the physical consequences of children's use of computers. The information we have on adult use is now out of date because of changes to computer ....Computer use is increasing with 95% of Australian primary school children now using computers. Two out of three children and three out of four adult workers report pain associated with computer use. This has lead to concerns that increased computer use may be responsible for an increase in musculoskeletal disorders in young people. Little is known about the physical consequences of children's use of computers. The information we have on adult use is now out of date because of changes to computer technology and how computers are used. It is therefore not possible to provide evidence-based recommendations for safe use of computers by young people. Critical gaps in our knowledge include the appropriate desk design and computer display position. The proposed studies will use recent advances in biomechanical and physiological measurement and modelling of musculoskeletal stress to evaluate a range of desk designs and computer display positions for young adults, preadolescentchilden and early school age children. The outcomes will include the first detailed description of the physical stresses of computer use by children and preliminary guidelines for workstation design.Read moreRead less
Intergenerational Transmission Of Health Inequalities: Effects Of Work Conditions On Parent Resources And Child Health
Funder
National Health and Medical Research Council
Funding Amount
$482,385.00
Summary
The connection between socioeconomic inequalities and health is well documented in nations such as Australia. Research also shows that health inequalities persist from generation to generation. This project extends understanding of health inequalities by investigating whether work conditions contribute to health transmission from parents to children. Work conditions vary by class and occupation and have changed markedly over the last decade. They exert a direct effect on parents' health, and inf ....The connection between socioeconomic inequalities and health is well documented in nations such as Australia. Research also shows that health inequalities persist from generation to generation. This project extends understanding of health inequalities by investigating whether work conditions contribute to health transmission from parents to children. Work conditions vary by class and occupation and have changed markedly over the last decade. They exert a direct effect on parents' health, and influence resources like income, time, energy and attention that parents can invest in their children, thereby influencing children's health and well-being. In this study, we expand models of parent work and child health to include 1) working conditions (rather than employment versus unemployment); 2) collection of data on father's as well as mother's employment; and 3) investigation of the link between working conditions and parental resources as a route by which health inequalities can be transmitted across generations. Findings will contribute to the basis for interventions to improve children's health and development.Read moreRead less
FETAL ORIGIN OF ADULT DISEASE? A POPULATION-BASED STUDY OF THE OFFSPRING OF WOMEN WITH SEVERE MENTAL DISORDERS
Funder
National Health and Medical Research Council
Funding Amount
$442,875.00
Summary
Fetal origin of adult disease is a currently influential paradigm in epidemiological research into common diseases (ischaemic heart disease, hypertension, diabetes) and behaviour problems (suicide, criminal offending). It postulates an early pathophysiological programming of outcomes that become manifest in adult life. In the proposed research we aim to examine key aspects of this model by conducting a population-based study on the developmental outcomes, antecedent and concomitant risk factors, ....Fetal origin of adult disease is a currently influential paradigm in epidemiological research into common diseases (ischaemic heart disease, hypertension, diabetes) and behaviour problems (suicide, criminal offending). It postulates an early pathophysiological programming of outcomes that become manifest in adult life. In the proposed research we aim to examine key aspects of this model by conducting a population-based study on the developmental outcomes, antecedent and concomitant risk factors, and a spectrum of neuropsychiatric morbidity in all children (N-5150) born in Western Australia in 1980-2001 to women diagnosed with schizophrenia, bipolar affective disorder or unipolar depression, as compared to children (N-504,553) born to women without a diagnosed psychiatric illness. The study will be based on record linkage, utilising the unique resource of multiple, comprehensive population databases in Western Australia. Specifically, this research will identify the range of developmental outcomes and morbidity in four consecutive birth cohorts (1980-84; 1985-89; 1990-94; and 1995-2001) of children at high genetic and environmental risk and examine their relationship to specific risk factors, including familial genetic load, obstetric complications, severity of maternal illness, and psychosocial adversity. The study will be the first of its kind and its findings will inform aetiological research into the major mental disorders, as well as clinical and public health practice. It will provide novel data on fundamental issues, such as the interaction between genetic risk and environmental factors in the causation of schizophrenia, as well as on the extent to which the risk of developing severe mental illness is immutably embedded in its fetal origin, or is modifiable by subsequent mitigating factors and appropriate intervention.Read moreRead less
Statistical Methods For Handling Missing Data In Longitudinal Studies
Funder
National Health and Medical Research Council
Funding Amount
$198,000.00
Summary
Modern epidemiological research has a strong focus on studying the causes and consequences of major health outcomes over the life span. Studies are increasingly conducted on large cohorts of individuals over long periods of time, extending from before birth through to the later years of life. An example of this type of study is the Victorian Adolescent Health Cohort Study, which began in 1992 with participants aged 15 and is now seeking funding for a 9th wave of data collection in 2005. A major ....Modern epidemiological research has a strong focus on studying the causes and consequences of major health outcomes over the life span. Studies are increasingly conducted on large cohorts of individuals over long periods of time, extending from before birth through to the later years of life. An example of this type of study is the Victorian Adolescent Health Cohort Study, which began in 1992 with participants aged 15 and is now seeking funding for a 9th wave of data collection in 2005. A major challenge that arises in analysing data from studies of this kind is the difficulty created by the occurrence of missing data. In longitudinal studies with multiple measurement occasions, participants rarely complete all waves of data collection, and even when present an individual may not provide data on all study variables. Common practice in analysing such data is to omit individuals entirely if they have a missing value on any of the variables required for the analysis in question. This approach can lead to major biases in conclusions, by excluding individuals in whom patterns of association may be quite different than among those retained, and at best leads to loss of reliability in findings due to the reduction in numbers available for analysis. Recent statistical research has led to a range of new techniques for better handling of missing data in such studies, including the method of multiple imputation (MI), under which multiple copies of the dataset are created with imputed values filled in for the missing values. This approach has enormous potential for helping to produce better answers from large longitudinal studies but a number of issues require research to ensure that the method is made available to researchers in a convenient form and, most importantly, used in a way that leads to sound conclusions. This project will address many of these issues, leading to enhanced capacity to extract valuable information from large epidemiological studies.Read moreRead less
Children Of Parents With Mental Illness: A Population-based Study
Funder
National Health and Medical Research Council
Funding Amount
$774,715.00
Summary
Schizophrenia, bipolar disorder and major depression account for about 16% of the global burden of disease, according to estimates by the World Health Organization and the World Bank. These disorders tend to run a chronic or recurrent course, with devastating impact on sufferers and their families. We know today that part of their causes are genetic and may be transmitted to the next generation. However, another part of the causation is likely to be environmental, involving maternal pregnancy co ....Schizophrenia, bipolar disorder and major depression account for about 16% of the global burden of disease, according to estimates by the World Health Organization and the World Bank. These disorders tend to run a chronic or recurrent course, with devastating impact on sufferers and their families. We know today that part of their causes are genetic and may be transmitted to the next generation. However, another part of the causation is likely to be environmental, involving maternal pregnancy complications, as well as psychosocial adversity and stressful events impacting children who happen to carry a genetic susceptibility to such disorders. To disentangle and understand better such effects, our research is focusing on families where genetic risk to the offspring is present, due to a mother suffering from one of these disorders. By linking data available on population databases in WA, we aim to follow up the childhood development and young adult health outcomes of all children born to women with schizophrenia, bipolar disorder or depression. Few studies of this kind have been done worldwide, and we expect that the WA study will answer many unresolved questions, leading to preventative and treatment interventions that would reduce adverse outcomes and improve the quality of life of families at risk.Read moreRead less
An Investigation Into The Relationship Between Physical Activity And Asthma In Children
Funder
National Health and Medical Research Council
Funding Amount
$36,174.00
Summary
It is important to understand whether physical activity can prevent asthma, or whether asthma prevents children from being physically active, as this will influence the decisions we make with regard to the management of both childhood asthma and childhood activity. This work uses data from two studies of Australian children to tease out which path is the most important path to target when trying to increase physical activity levels and improve the respiratory health of children and adolescents.