General Household Survey 2015
South Africa, 2015
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ZAF_2015_GHS_v01_M
General Household Survey 2015
| Name | Country code |
|---|---|
| South Africa | ZAF |
Other Household Survey [hh/oth]
The GHS is an annual household survey conducted by Stats SA since 2002. The survey replaced the October Household Survey (OHS) which was introduced in 1993 and was terminated in 1999.
Sample survey data [ssd]
- Household
- Individual
Version
Version 01: Edited, anonymised dataset for public distribution
DDI obtained from DataFrist, UCT, South Africa: ddi-zaf-datafirst-ghs-2015-v1
2016-09-20
Version 1 of the General Household Survey 2015 was acquired from the Statistics South Africa on the 7th of June 2016. Version 1.1 is this dataset, with value and variable labels added by DataFirst.
Scope
The scope of the General Household Survey 2015 includes:
Education, health, disability, social security, religious affiliation and observance, housing, energy, access to and use of water and sanitation, environment, refuse removal, telecommunications, transport, household income, access to food, and agriculture. Some topic covered such as religious affiliation and observance are totally new, whilst others, such as education, were deepened by focusing on access to work- and textbooks.
Household characteristics: Dwelling type, home ownership, access to water and sanitation, access to services, transport, household assets, land ownership, agricultural production.
Individuals' characteristics: demographic characteristics, relationship to household head, marital status, language, education, employment, income, health, fertility, mortality, disability, access to social services.
| Topic | Vocabulary | URI |
|---|---|---|
| employment [3.1] | CESSDA | http://www.nesstar.org/rdf/common |
| unemployment [3.5] | CESSDA | http://www.nesstar.org/rdf/common |
| LABOUR AND EMPLOYMENT [3] | CESSDA | http://www.nesstar.org/rdf/common |
| DEMOGRAPHY AND POPULATION [14] | CESSDA | http://www.nesstar.org/rdf/common |
Coverage
National coverage
The lowest level of geographic aggregation for the survey is Province and, within the Provinces, at the level of Metropolitan and Non-Metropolitan Area. StatsSA used a new master sample from GHS 2015. This is weighted to metro level and data is provided at this level (data for earlier years is only reliable at the level of Province).
The target population of the survey consists of all private households in all nine provinces of South Africa and residents in workers' hostels. The survey does not cover other collective living quarters such as students' hostels, old-age homes, hospitals, prisons and military barracks, and is therefore only representative of non-institutionalised and non-military persons or households in South Africa.
Producers and sponsors
| Name | Affiliation |
|---|---|
| Statistics South Africa | Government of South Africa |
| Name |
|---|
| Government of South Africa |
Sampling
The General Household Survey (GHS) uses the Master Sample frame which has been developed as a general-purpose household survey frame that can be used by all other Stats SA household-based surveys having design requirements that are reasonably compatible with the GHS. The GHS 2015 collection was based on the 2013 Master Sample.
This Master Sample is based on information collected during the 2011 Census conducted by Stats SA. In preparation for Census 2011, the country was divided into 103 576 enumeration areas (EAs). The census EAs, together with the auxiliary information for the EAs, were used as the frame units or building blocks for the formation of primary sampling units (PSUs) for the Master Sample, since they covered the entire country and had other information that is crucial for stratification and creation of PSUs.
There are 3324 primary sampling units (PSUs) in the Master Sample with an expected sample of approximately 33000 dwelling units (DUs).
The number of PSUs in the current Master Sample (3324) reflect an 8.0% increase in the size of the Master Sample compared to the previous (2008) Master Sample (which had 3080 PSUs). The larger Master Sample of PSUs was selected to improve the precision (smaller coefficients of variation, known as CVs) of the GHS estimates.
The Master Sample is designed to be representative at provincial level and within provinces at metro/non-metro levels. Within the metros, the sample is further distributed by geographical type. The three geography types are Urban, Tribal and Farms. This implies, for example, that within a metropolitan area, the sample is representative of the different geography types that may exist within that metro. The sample for the GHS is based on a stratified two-stage design with probability proportional to size (PPS) sampling of PSUs in the first stage, and sampling of dwelling units (DUs) with systematic sampling in the second stage.
Caution must be exercised when interpreting the results of the GHS at low levels of disaggregation. The sample and reporting are based on the provincial boundaries as defined in December/January 2006. These new boundaries resulted in minor changes to the boundaries of some provinces, especially Gauteng, North West, Mpumalanga, Limpopo, Eastern Cape and Western Cape. In previous reports the sample was based on the provincial boundaries as defined in 2001, and there will therefore be slight comparative differences in terms of provincial boundary definitions.
Details of the sampling procedure can be found in Report No. P0318 available from Statistics South Africa and attached to this Survey as an external resource.
National level response rate was 90.48%.
The sampling weights for the data collected from the sampled households were constructed so that the responses could be properly expanded to represent the entire civilian population of South Africa. The design weights, which are the inverse sampling rate (ISR) for the province, are assigned to each of the households in a province.
These were adjusted for four factors: Informal PSUs, Growth PSUs, Sample Stabilisation, and Non-responding Units. Mid-year population estimates produced by the Demographic Analysis Division (of Stats SA) were used for benchmarking.
The final survey weights were constructed using regression estimation to calibrate to national level population estimates cross-classified by 5-year age groups, gender and race, and provincial population estimates by broad age groups. The 5-year age groups are: 0-4, 5-9, 10-14, 55-59, 60-64; and 65 and older. The provincial level age groups are 0-14, 15-34, 35-64; and 65 years and older. The calibrated weights were constructed in such a way that all persons in a household would have the same final weight.
The Statistics Canada software StatMx was used for constructing calibration weights. The population controls at national and provincial levels were used for the cells defined by cross-classification of Age by Gender and Race (i.e. population group). Records for which the age, population group or sex had item non-response could not be weighted and were therefore excluded from the dataset. No imputation was done to retain these records.
Survey instrument
A single survey questionnaire was administered for each household.
The questionnaire comprises of the following sections:
Section 1: Household Specific Functioning
Section 2: Health and General Functioning
Section 3: Social Security and Religion
Section 4: Economic Activities
Section 5: General Household Information and Service Delivery
Section 6: Communication and Transport
Section 7: Health, Welfare and Food Security
Section 8: Household Livelihoods
Section 9: Mortality in the Last 12 Months
Section 10: Interviewer Summary Section
Data collection
| Start | End |
|---|---|
| 2015-01 | 2015-12 |
Data Access
| Name | Affiliation | URL | |
|---|---|---|---|
| DataFirst | University of Cape Town | http://www.support.datafirst.uct.ac.za | support@data1st.org |
Public use data, available to all.
Users may apply or process this data, provided Statistics South Africa (Stats SA) is acknowledged as the original source of the data; that it is specified that the application and/or analysis is the result of the user's independent processing of the data; and that neither the basic data nor any reprocessed version or application thereof may be sold or offered for sale in any form whatsoever without prior permission from Stats SA.
Statistics South Africa. General Household Survey 2015 [dataset]. Version 1.1. Pretoria: Statistics South Africa [producer], 2016. Cape Town: DataFirst [distributor], 2016.
Disclaimer and copyrights
The use of any data is subject to acknowledgement of Stats SA as the supplier and owner of copyright. Statistics South Africa (Stats SA) will not be liable for any damages or losses, except to the extent that such losses or damages are attributable to a breach by Stats SA of its obligations in terms of an existing agreement or to the negligence or willful act or omissions of the Stats SA, its servants or agents, arising out of the supply of data and or digital products in terms of that agreement. The user indemnifies Stats SA against any claims of whatsoever nature (including legal costs) by third parties arising from the reformatting, restructuring, reprocessing and/or addition of the data, by the user.
Copyright 2015, Statistics South Africa
Contacts
| Name | Affiliation | |
|---|---|---|
| DataFirst Helpdesk | University of Cape Town | support@data1st.org |
Metadata production
ddi-zaf-datafirst-ghs-2013-v1
| Name | Affiliation | Role |
|---|---|---|
| DataFirst | University of Cape Town | Metadata Producer |
| Development Data Group | World Bank | Metadata Producer |
2016-06-08
Metadata version
Version 1
UCT
Version 2
Edited by the World Bank, DECDG - variable level metadata added (literal questions, interviewer instructions, universe, derivations)