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ASGS Remoteness Structure
In addition to this, the AATSIHS contains a Core dataset, which is produced from the question set that is common to both NATSIHS and NATSINPAS. See Australian Aboriginal and Torres Strait Islander Health Survey Core Dataset for details.
Australian Aboriginal and Torres Strait Islander Health Survey (AATSIHS) Core Dataset
The AATSIHS Core Dataset is produced from the question set that is common to both NATSIHS and NATSINPAS. In addition to general demographics, the question set includes the following topics:
In the National Aboriginal and Torres Strait Islander Health Measures Survey (NATSIHMS), a biomarker generally refers to a measured characteristic, which may be used to indicate a health risk factor or condition. For more information about the biomarkers measured in the NATSIHMS, see Biomedical Measures.
Body Mass Index (BMI)
BMI scores are derived for measured height and weight. Body Mass Index (BMI) is a simple index of weight-for-height that is commonly used to classify underweight, overweight and obesity. It is defined as the weight in kilograms divided by the square of the height in metres (kg/m2). For more information, see Body Mass and Physical Measurements and Appendix 4: Classification of BMI for children.
Chronic kidney disease stages
Chronic kidney disease stages were derived using a combination of participants' estimated glomerular filtration rate (eGFR) results with their albumin creatinine ratio (ACR) results. The different stages were defined as follows:
For more information, see Chronic Kidney Disease biomarkers.
In this survey, co-morbid conditions refers to two or more medical conditions which a respondent has reported as current long-term conditions they have.
In this survey, comorbidity is a term used to describe the occurrence of two or more conditions. Some biomedical and self report comorbidity data items may be produced for specific combinations of conditions to aid this type of analysis.
However, it is possible to utilise the available condition data in the ICD-10 data items to undertake analysis of additional combinations of health conditions. Different restrictions (for example whether a condition is diagnosed, or whether a condition is current) can also be applied to individual conditions when undertaking analysis.
See long-term medical condition.
Condition status brings together information about whether or not a person has ever been told by a doctor or nurse they have a condition, whether a condition was current at the time of the survey, and if current whether the condition was long-term (i.e. had lasted or was expected to last for 6 months or more).
Dietary Guidelines refers to guidelines produced by the National Health and Medical Research Council that aim: to promote health and wellbeing; reduce the risk of diet-related conditions; and reduce the risk of chronic disease. The AATSIHS was developed when the 2003 Guidelines were current. However data has been published using the 2013 Australian Dietary Guidelines. For more information, see Dietary Behaviours.
Discrete Aboriginal and Torres Strait Islander Communities
A discrete Aboriginal and Torres Strait Islander community refers to Statistical Area 1's with approximate populations of over 90 that are inhabited or intended to be inhabited by predominantly Aboriginal and Torres Strait Islander people, with housing or infrastructure that is either owned or managed on a community basis. Resources such as language groups, information from persons with local knowledge of certain communities, and transport networks have all been used to maximise the extent to which SA1s contain interrelated Aboriginal and Torres Strait Islander populations.
Refers to a number of different lipid disorders (that is, conditions where there are too many fats in the blood). In this survey, a person (who participated in the NATSIHMS) was considered to have dyslipidaemia if they had one or more of the following:
For more information, see Cardiovascular disease biomarkers.
Equivalisation is a process whereby reported household income is adjusted to take account of the size and composition of the household. For further details see Household and family characteristics.
Two or more persons, one of whom is at least 15 years of age, who are related by blood, marriage (registered or de facto), adoption, step or fostering; and who are usually resident in the same household. The basis of a family is formed by identifying the presence of a couple relationship, lone parent-child relationship or other blood relationship. Some households will, therefore, contain more than one family.
The differentiation of families based on the presence or absence of couple relationships, parent-child relationships, child dependency relationships or other blood relationships, in that order of preference.
Heart, stroke and vascular conditions
A subset of reported long-term conditions comprising the following:
A household is defined as one or more persons, at least one of whom is at least 15 years of age, usually resident in the same private dwelling.
Reported as the sum of the personal cash incomes of all household members aged 15 years and over. Household income is available in dollar amounts and deciles/quintiles, in reported and equivalised form. For further details see Income sources.
A household spokesperson is a person aged 18 years or over who is identified as the best person to provide information about the household, including household income and food security. Non-Indigenous persons were not eligible for selection in the NATSIHS and NATSINPAS sample, however they may have acted as the household spokesperson.
Refers to the composition of the household to which the respondent belonged. For further details see Population characteristics.
ICD-10 refers to the tenth revision of the International Classification of Diseases and Health Related Problems. The classification of long-term conditions most commonly used in output from the 2012-13 AATSIHS was developed for use in this survey based on the ICD-10. See Appendix 2: Classification of health conditions for the content of the classifications.
Incidence refers to the number of new cases of a particular characteristic, such as cancer, which occur within a certain period. This differs from prevalence, which refers to the number of cases of a particular characteristic that are present in a population at one point in time.
In this survey, a person (who participated in the NATSIHMS) was considered to have known diabetes if:
People who had been told by a doctor or nurse that they have diabetes, but who were not taking medication for diabetes and did not have a fasting plasma glucose level of 7.0 mmol/L or greater, were classified as not having diabetes.
People with known diabetes were further classified as having Type I, Type II or Type unknown, based on the type of diabetes that a doctor or nurse told them they had. Women with gestational diabetes were excluded.
The corresponding diabetes cut-off for HbA1c is a value of 6.5% or greater.
For more information, see Diabetes Biomarkers.
Long-term medical condition
A medical condition (illness, injury or disability) which has lasted at least six months, or which the respondent expects to last for six months or more.
Margin of Error
Margin of Error describes the distance from the population value that the sample estimate is likely to be within, and is specified at a given level of confidence. Confidence levels typically used are 90%, 95% and 99%. For example, at the 95% confidence level the MoE indicates that there are about 19 chances in 20 that the estimate will differ by less than the specified MoE from the population value (the figure obtained if all dwellings had been enumerated). For further information see Technical Note and Data quality.
National Aboriginal and Torres Strait Islander Health Measures Survey (NATSIHMS)
The National Aboriginal and Torres Strait Islander Health Measures Survey, which is sometimes referred to as the biomedical component of the AATSIHS, focused on early lifestyle related diseases through blood and urine testing. Information was collected on:
Participants were those people aged eighteen years and over, who were selected for either NATSIHS or NATSINPAS and agreed to also participate in the NATSIHMS.
For more information about the tests, see Biomedical Measures.
National Aboriginal and Torres Strait Islander Health Survey (NATSIHS)
The National Health Survey focused on collecting information on:
National Health Priority Areas (NHPA)
National Aboriginal and Torres Strait Islander Nutrition and Physical Activity Survey (NATSINPAS)
The National Aboriginal and Torres Strait Islander Nutrition and Physical Activity Survey focused on collecting information on:
Refers to the Major Cities, Inner Regional and Outer Regional areas as categorised by the ASGS Remoteness Areas. See ASGS Remoteness Areas for more information.
The number of cases of a particular characteristic (e.g. a specific long-term condition such as cancer) that are present in a population at one point in time. This differs from incidence, which refers to the number of new cases of a particular characteristic occurring within a certain period.
A proxy is a person who answers the survey questions when the person selected for the interview is incapable of answering for themselves. Reasons the selected person may not be able to answer for themselves include illness/injury or language difficulties. A proxy also answers on behalf of a child under 15 years of age; or for a child aged 15-17 years when parental consent is not given to interview them personally. For further information see the Interviews section of Data collection.
Psychological distress (Kessler-5)
The Kessler-5 (K5) measure of psychological distress, consists of a subset of five questions from the Kessler Psychological Distress Scale-10 (K10), which was designed to measure levels of negative emotional states in the four weeks prior to interview. For more information, see the Health Conditions chapter.
Refers to the Remote and Very Remote areas as categorised by the ASGS Remoteness Areas. See ASGS Remoteness Areas for more information.
To determine whether a difference between two survey estimates is a real difference in the populations to which the estimates relate, or merely the product of different sampling variability, the statistical significance of the difference can be tested. This is particularly useful for interpreting apparent changes in estimates over time. The test is done by calculating the standard error of the difference between two estimates and then dividing the actual difference by the standard error of the difference. If the result is greater than 1.96, there are 19 chances in 20 that there is a real difference in the populations to which the estimates relate. For further information see Data quality and interpretation of results.
Socio-Economic Indexes for Areas (SEIFAs)
Four Indexes compiled by the ABS following each population Census. Each index summarises different aspects of the socio-economic condition of areas. The Index of Disadvantage is the SEIFA index most frequently used in health analysis.
The Indexes available for use with 2012-13 AATSIHS data are those compiled from the 2011 Census of Population and Housing. For further information about the indexes, see Household and family characteristics.
Type of condition
The type of medical condition as reported by respondents and/or office coded by ABS from the description provided by respondents. All reported long-term medical conditions are coded to a classification developed by the ABS for use in ABS Health Surveys based on the 10th revision of the International Classification of Diseases and Health Related Problems (ICD-10). See also ICD-10.
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