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Household Income and Expenditure Survey 2003-2004

Namibia, 2003 - 2004
Reference ID
NAM_2003_NHIES_v01_M_v01_A_PUF
Producer(s)
Central Bureau of Statistics
Metadata
DDI/XML JSON
Study website
Created on
Jul 10, 2013
Last modified
Mar 29, 2019
Page views
14548
Downloads
3242
  • Study Description
  • Data Dictionary
  • Downloads
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  • Related Publications
  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Survey instrument
  • Data collection
  • Data processing
  • Data Access
  • Disclaimer and copyrights
  • Contacts
  • Metadata production
  • Identification

    Survey ID number

    NAM_2003_NHIES_v01_M_v01_A_PUF

    Title

    Household Income and Expenditure Survey 2003-2004

    Country
    Name Country code
    Namibia NAM
    Study type

    Income/Expenditure/Household Survey [hh/ies]

    Series Information

    The first Namibia Household Income and Expenditure Survey (NHIES) was conducted in 1993-1994 after the first nationwide Population and Housing Census (PHC) in 1991. The results from that survey were used to monitor the progress of the 1991-1993 Transitional Development Plan and as benchmark indicators for the First National Development Plan (NDP 1). The NHIES 2003-2004 was used to monitor the progress made during the inter-survey period. The third Namibia Household Income and Expenditure Survey was conducted in 2009-2010.

    Abstract

    The Namibia Household Income and Expenditure Survey (NHIES) 2003-2004, internationally known as the Budget Survey, is the second of its kind to have been conducted in independent Namibia after the NHIES 1993-1994. Budget surveys are specialized statistical frameworks for monitoring and evaluation of socioeconomic policy performances on the one hand and on the other instruments for updating statistical infrastructure such as providing the basis for the re-basing of both National Accounts and the Consumer Price Index (CPI). According to the international best practices budget surveys should be undertaken at least once in five years. The purpose for this recommended frequency is to ensure the provision of relevant data timely to policy makers. However, budget surveys are quite costly due to their methodological requirement, which dictate that the data collection phase should cover a full calendar year. The expenditure on NHIES 2003-2004 up to date is in the range of Forty Million Namibian Dollars (N$ 40 million).

    The main objectives of the NHIES 2003-2004 include providing data necessary for policy making at different sectors and levels as well as to evaluate and monitor various development programs. Hence the data would be used for the evaluation of the performance of NDP1 in the improvements of the welfare of Namibian people. It could also be used for estimation of benchmark indicators for the monitoring of development initiatives such as Second Development Plan (NDP2), Vision 2030, Poverty Reduction Strategy for Namibia, and National Human Resources Plan. The data will also be used in the National Accounts compilations, updating the basket of goods and services and the weights for the national consumer price index, welfare and poverty studies and nutritional studies.

    Kind of Data

    Sample survey data [ssd]

    Unit of Analysis
    • Individuals
    • Households

    Version

    Version Description
    • v01: Edited, anonymous dataset for public distribution.

    Scope

    Notes

    The 2003 NHIES includes the following topics:

    • Household demographic characteristics
    • Household particulars
    • Household roster
    • Marital status
    • Health
    • Access to a clinic
    • Education
    • Employment
    • Housing
    • Access to water
    • Toilet facilities
    • Sources of income
    • Ownership
    • Farming
    • Income and expenditure

    Coverage

    Geographic Coverage

    National

    Producers and sponsors

    Primary investigators
    Name Affiliation
    Central Bureau of Statistics National Planning Commission
    National Planning Commission
    Funding Agency/Sponsor
    Name Role
    Swedish International Development Agency Technical and financial support

    Sampling

    Sampling Procedure

    The target population of the NHIES 2003-2004 was the private household population of Namibia; i.e. excluding the institutional and homeless populations.

    The sample design for the survey was a stratified two-stage cluster sample where the first stage units were geographical areas designated as PSUs and the second stage units were the households. The first stage units were selected from the sampling frame of PSUs using probability proportional to size sampling coupled with systematic sampling procedure. At the second stage households were selected systematically from a current list of households within the PSU, which was compiled just before survey interviews.

    Sample size was determined in order to make reliable estimates at the regional and urban/rural levels within each region. It was also decided to represent both urban and rural strata in every survey round to eliminate seasonal effects. The number of households per PSU was fixed at 20.

    The final sample consisted of 10,920 households in 546 PSUs. The selected PSUs were randomly allocated to the 13 survey rounds so that each survey round would constitute a random sample of 42 PSUs and 840 households. A survey round was a period of 4 weeks, during which the households participated in the survey.

    Response Rate

    90%

    Weighting

    The data was raised from sample level to totals (population, households, consumption etc.) for Namibia using the sample weights. Sample weights were calculated based on the probabilities of selection at each stage. The final sample weights were the product of the first and the second stage weights.

    Survey instrument

    Questionnaires

    Two questionnaires (Form 1 and Form 2) were developed for data collection in the survey. Form 1 collected individual information including age, education, marital status, etc. and household information such as type of dwelling, assets, and details on household expenditure and income. Form 2, the Daily Record Book (DRB), was designed for recording, on a daily basis, all households’ transactions during the survey round. Households were instructed to record transactions, item by item, all expenditures and receipts, including incomes and gifts received or given out.

    Data collection

    Dates of Data Collection
    Start End
    2003-09-01 2004-08-29
    Data Collectors
    Name Affiliation
    Central Bureau of Statistics National Planning Commission
    Supervision

    The structure approved by the Public Service Commission of Namibia consisted of a Survey Manager and two Deputy Survey Managers. The NHIES management team was assisted by a core of permanent staff and a number of both short and long term external consultants in the execution of the survey.
    Regional offices were established under regional supervisors in every region and these were the focal points for all survey operations in each region. During field data collection, a team composed of a supervisor, a listing/coding clerk and 2 interviewers covered each primary sampling unit (PSU).

    Data Collection Notes

    The NHIES 2003-2004 was conducted under the provisions of the Statistics Act 66 of 1976.
    The fieldwork of the NHIES 2003-2004 started with the deployment of Regional Supervisors, Assistant Regional Supervisors, Team Supervisors, Listing Clerks and Interviewers in all thirteen administrative regions of the country. There were two major fieldwork activities: the main survey activity, which was undertaken from 1 September 2003 to 29 August 2004, comprising of 13 survey rounds, and the Post Enumeration Survey (PES) undertaken in October 2004. The main objective of the PES was to serve as a quality check of the main survey.

    Logistics for data collection included provision of vehicles, materials, equipment and supplies to the field staff. About 60 vehicles were acquired for the survey, whereas additional ones were leased from Government Garage and car rental firms.

    Data processing

    Data Editing

    The data capturing process for the NHIES was undertaken in the following ways: Form 1 was scanned, interpreted and verified using the "Scan", "Interpret" & 'Verify" modules of the Eyes & Hands software respectively. Some basic checks were carried out to ensure that each PSU was valid and every household was unique. Invalid characters were removed. The scanned and verified data was converted into text files using the "Transfer" module of the Eyes & Hands. Finally, the data was transferred into a SQL database for further processing, using the "TranScan" application.
    The Daily Record Books were manually entered and this was carried out after the scanned data has been transferred to the database. The reason was to ensure that all DRBs were linked to the correct Form 1, i.e. each household's Form 1 was linked to the corresponding Daily Record Books. In total, 10 000 questionnaires (Form 1), comprising around 400 questions each, were scanned and almost one million transactions from the Form 2 (DRBs) were captured.

    Data Access

    Access authority
    Name Affiliation URL Email
    Statistician General Namibia Statistics Agency http://www.nsa.org.na/dataset/ Statistician-general@nsa.org.na
    Citation requirements

    Use of the dataset must be acknowledged using a citation which would include:

    • the Identification of the Primary Investigator
    • the title of the survey (including country, acronym and year of implementation)
    • the survey reference number
    • the source and date of download

    Example,

    Central Bureau of Statistics, Namibia National Household Income and Expenditure Survey (NHIES) 2003-2004, Ref. NAM_2003_NHIES_v01_M_v01_A_PUF. Dataset downloaded from [url] on [date].

    Disclaimer and copyrights

    Disclaimer

    The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.

    Contacts

    Contacts
    Name Affiliation Email URL
    Statistician General Government of Namibia Statistician-general@nsa.org.na www.nsa.org.na

    Metadata production

    DDI Document ID

    DDI_NAM_2003_NHIES_v01_M_v01_A_PUF

    Producers
    Name Affiliation Role
    Development Data Group The World Bank Documentation of the study
    Date of Metadata Production

    2013-02-14

    Metadata version

    DDI Document version

    Version 03 (November 2017)

    • Changed the following:
    • DDI ID
    • ID number
    • Abbreviation
    • ID on citation requirements

    Version 02 (September 2015)

    • Provided value labels for all categorical variables
    • Additional document on external resources provided

    Version 01 (February 2013)

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