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Residential Status in a Non-Private Dwelling
Applicable to: Persons in a non-private dwelling on Census Night
1. Owner, proprietor, staff and family
2. Guest, patient, inmate, other resident
& Not stated
@ Not applicable
V Overseas visitor
Total number of categories: 5
More Detailed Description
Quality Statement - Non-Private Dwelling (RLNP)
There are many aspects which can affect the quality of Census data; the following information should be considered when viewing data on Non-Private Dwelling (RLNP).
Non-Private Dwelling RLNP is only applicable to the 3.1% of persons who were in a non-private dwelling on Census Night and were enumerated on a personal form. A small proportion of owners, staff, and their families living in the grounds of a non-private dwellings were enumerated on household forms and are not included in this data item.
This data was captured automatically from check box responses on the form and these responses were then grouped to form the two output categories. The risk of processing error is low and sample checks of the data are undertaken to ensure an acceptable level of quality.
The non-response rate for 2006 was 15.4% compared with 8.3% for 2001. Part of this non-response is attributable to the 8.3% of persons who were at a non-private dwelling on Census night but did not return a completed form. Some demographic characteristics are imputed for these persons. However the values for RLNP remain not stated. In 2001, 4.3% of persons who were at a non-private dwelling did not return a completed form.
Part of the non-response for those who did complete a Census form in 2006 appears to be due to respondents incorrectly marking the previous question. This effectively sequenced them from the subsequent question for RLNP and contributed 3.3% to the non-response rate.
In a proportion of cases (testing has indicated that this may be around 12%) respondents provided an incorrect number of responses (for RLNP, respondents are asked to only mark one response). In these cases responses are accepted in the order they appear on the form and the extra responses are rejected.
The ABS aims to produce high quality data from the Census. To achieve this, extensive effort is put into Census form design, collection procedures, and processing procedures.
There are four principal sources of error in Census data: respondent error, processing error, partial response and undercount. Quality management of the Census program aims to reduce error as much as possible, and to provide a measure of the remaining error to data users, to allow them to use the data in an informed way.
When completing their Census form, some people do not answer all the questions which apply to them. In these instances, a 'not stated' code is allocated during processing, with the exception of non-response to age, sex, marital status and place of usual residence. These variables are needed for population estimates, so they are imputed using other information on the Census form, as well as information from the previous Census.
The processing of information from Census forms is now mostly automated, using scanning, Intelligent Character Recognition and other automatic processes. Quality assurance procedures are used during Census processing to ensure processing errors are kept at an acceptable level. Sample checking is undertaken during coding operations, and corrections are made where necessary.
The Census form may be completed by one household member on behalf of others. Incorrect answers can be introduced to the Census form if the respondent does not understand the question or does not know the correct information about other household members. Many of these errors remain in the final data.
More detailed information on data quality is available in the 2006 Census Dictionary (cat. no. 2901.0), in the section titled Managing Census Quality.