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2. Family Characteristics Family level
3. Family Characteristics Person level
4. Family Transitions Person level
5. Family Transitions Births level
These levels are hierarchical. The structure of the file is as follows:
----- Family Characteristics Family level
----- Family Characteristics Person level
----- Family Transitions Person level
----- Family Transitions Births level
This means each person at the Family Transitions and Family Characteristics Person levels is linked to a family and a household. The births level is linked to a person on the Family Transitions person level which is then linked to a family and a household. An identifier is available at each level which allows users to combine data across the levels.
Family Characteristics Household level (counting unit: Households)
This level contains details about households, such as household composition, number of people in the household, weekly household income and geographic details. Households may comprise:
This level contains details about families, such as family composition, number of people in the family, number of children in the family, age of youngest and eldest child in the family, and details of the parent(s) in the family (such as age, marital status and employment status). Families may comprise:
This level contains details about all persons (aged 0 years and over), such as age, sex, marital and labour force status, person type within family, whether a parent/guardian, child's relationship to parent(s), whether child has natural parent living elsewhere and visitation arrangements.
Family Transitions Person Level (counting unit: Persons)
This level contains details about persons aged 18 years and over who were in scope for the Family Transitions questions. Data includes:
This level contains details about each episode of birth for persons aged 18 years and over, and relates to the natural children of both males and females. The data available at this level includes:
As the survey was conducted on a sample of households in Australia, it is important to take account of the method of sample selection when deriving estimates. This is particularly important as a person's chance of selection in the survey varied depending on the state or territory in which they lived. Survey 'weights' are values which indicate how many population units are represented by the sample unit.
There are four weights provided. Special attention must be taken when creating tables to ensure the correct weight is used (e.g. household weights should not be used if person estimates are required).
The weights are:
Most data items included in the microdata include a 'Not applicable' category. The 'Not applicable' category comprises those respondents who were not asked a particular question and hence are not applicable to the population to which the data item refers. The classification value of the 'Not applicable' category, where relevant, is shown in the data item list in the Downloads tab.
For some data items certain classification values have been reserved as special codes and must not be added as if they were quantitative values. For example, code 999999999 for the data item 'Weekly personal income from all sources', refers to 'Not stated'.
The population relevant to each data item is shown in the data item list and should be considered when extracting and analysing the microdata. The actual population count for each data item is equal to the total cumulative frequency minus the 'Not applicable' category.
Generally, all populations, including very specific populations, can be 'filtered' using other relevant data items. For example, if the population of interest is 'One parent families', any data item with that population (excluding the 'Not applicable' category) can be used as a filter.
Further information about the survey including scope and coverage, survey design, data collection methodology, weighting, benchmarking and estimation, and the reliability of estimates can be accessed from the Family Characteristics and Transitions, Australia, 2012-13 (cat. no. 4442.0) Explanatory Notes page.
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