National Panel Survey 2012-2013, Third round
Tanzania, 2012 - 2013
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Identification
Survey ID Number
TZA-NBS-NPS-2012-V01
Title
National Panel Survey 2012-2013, Third round
Subtitle
Third round
Translated Title
No Translation
Country
| Name | Country code |
|---|---|
| Tanzania | TZA |
Study type
Other Household Survey [hh/oth]
Series Information
The 2012/2013 Tanzania National Panel Survey (NPS) is the third round in a series of nationally representative household panel surveys that collect information on a wide range of topics including agricultural production, non-farm income generating activities, consumption expenditures, and a wealth of other socio-economic characteristics. All three rounds of the NPS have been implemented by the Tanzania National Bureau of Statistics (NBS).
The first round of the survey was conducted over twelve months, from October 2008 to September 2009. The main fieldwork of the second round of the NPS started in October 2010 and finished in September 2011, with specialized tracking teams remaining in the field until November 2011. Similarly, the duration and timing of the field work for the third round of NPS was from October 2012 to November 2013.
The first round of the survey was conducted over twelve months, from October 2008 to September 2009. The main fieldwork of the second round of the NPS started in October 2010 and finished in September 2011, with specialized tracking teams remaining in the field until November 2011. Similarly, the duration and timing of the field work for the third round of NPS was from October 2012 to November 2013.
Abstract
The main objective of the NPS is to provide high-quality household-level data to the Tanzanian government and other stakeholders for monitoring poverty dynamics, tracking the progress of the MKUKUTA II poverty reduction strategy1, and to evaluate the impact of other major, national-level government policy initiatives.
As an integrated survey covering a number of different socioeconomic factors, it compliments other more narrowly focused survey efforts, such as the Demographic and Health Survey on health, the Integrated Labour Force Survey on labour markets, the Household Budget Survey on expenditure, and the National Sample Census of Agriculture.
Secondly, as a panel household survey in which the same households are revisited over time, the NPS allows for the study of poverty and welfare transitions and the determinants of living standard changes.
As an integrated survey covering a number of different socioeconomic factors, it compliments other more narrowly focused survey efforts, such as the Demographic and Health Survey on health, the Integrated Labour Force Survey on labour markets, the Household Budget Survey on expenditure, and the National Sample Census of Agriculture.
Secondly, as a panel household survey in which the same households are revisited over time, the NPS allows for the study of poverty and welfare transitions and the determinants of living standard changes.
Kind of Data
Sample survey data [ssd]
Unit of Analysis
Households
Version
Version Description
Version 1.0 (November, 2014)
Version Date
2014-10
Version Notes
The report contains information on a wide range of topics including agricultural production, non-farm income generating activities, consumption expenditures, and a wealth of other socio-economic characteristics.
Scope
Notes
The third round of the National Panel Survey consists of four survey instruments:
a) Household Questionnaire,
b) Agriculture Questionnaire,
c) Livestock/Fishery Questionnaire, and
d) Community Questionnaire
a) Household Questionnaire,
b) Agriculture Questionnaire,
c) Livestock/Fishery Questionnaire, and
d) Community Questionnaire
Topics
| Topic |
|---|
| Agriculture & Rural Development |
| Health |
| Social Development |
Coverage
Geographic Coverage
National Tanzania Mainland and Tanzania Zanzibar Urban/Rural Regions
Geographic Unit
Households
Universe
The Questionnaire were administered to Household members
Producers and sponsors
Primary investigators
| Name | Affiliation |
|---|---|
| National Bureau of Statistics (NBS) | Government of Tanzania |
Producers
| Name | Affiliation | Role |
|---|---|---|
| Ministry of Agriculture, Food Security and Cooperatives | Government of Tanzania | Technical assistance |
| Ministry of Finance | Government of Tanzania | Technical assistance |
| Millennium Challenge Account-Tanzania | Government of Tanzania | Technical assistance |
| World Bank | Technical assistance | |
| United Nations Fund of Development Program | Technical assistance |
Funding Agency/Sponsor
| Name | Abbreviation | Role |
|---|---|---|
| European Commission | EC | Funding |
| World Bank | WB | Funding |
Sampling
Sampling Procedure
The original sample size of 3,265 households was designed to be representative at the national, urban/rural, and major agro-ecological zones. The total sample size of 3,265 households is clustered in 409 Enumeration Areas (2,063 households in rural areas and 1,202 urban areas) across Tanzania and Zanzibar. The NPS sample allows analysis at 4 primary domains of inference, namely: Dar es Salaam, other urban areas on mainland Tanzania, rural mainland Tanzania, and Zanzibar.
The eligibility requirement for the National Panel Survey is defined as any household member aged 15 years and above, excluding live-in servants. Households with at least one eligible member where completely interviewed, including any subsequent non-eligible members present in the household. Any household or eligible members that had either moved or split away from a primary household were tracked and interviewed in their new location.
The resulting sample size for the third round of National Panel Survey, including National Panel Survey 2008/2009 and National Panel Survey 2010/2011 households plus new, or split-off, households in NPS 2012/2013, is 5,015 households.
The eligibility requirement for the National Panel Survey is defined as any household member aged 15 years and above, excluding live-in servants. Households with at least one eligible member where completely interviewed, including any subsequent non-eligible members present in the household. Any household or eligible members that had either moved or split away from a primary household were tracked and interviewed in their new location.
The resulting sample size for the third round of National Panel Survey, including National Panel Survey 2008/2009 and National Panel Survey 2010/2011 households plus new, or split-off, households in NPS 2012/2013, is 5,015 households.
Deviations from the Sample Design
No deviation. The sample was covered
Response Rate
Not Reported
Weighting
The expansion factors for the NPS 2012/2013, variable "y3_weight", has been integrated into Section A, "HH_SEC_A" of the household dataset. Additionally, unique identifiers for the first-stage sampling units, "clusterid", and for the sampling strata, "strataid" can also be located in Section A of the household dataset.
The methodology used to calculate the panel weights for the NPS 2012/2013 was developed as part of the LSMS-ISA work program. Details on the methodology can be found in the paper: Himelein, Kristen. 2013. "Weight Calculations for Panel Surveys with Subsampling and Split-off Tracking." Statistics and Public Policy, vol(1), pp40-45.
The methodology used to calculate the panel weights for the NPS 2012/2013 was developed as part of the LSMS-ISA work program. Details on the methodology can be found in the paper: Himelein, Kristen. 2013. "Weight Calculations for Panel Surveys with Subsampling and Split-off Tracking." Statistics and Public Policy, vol(1), pp40-45.
Data Collection
Dates of Data Collection
| Start | End | Cycle |
|---|---|---|
| 2012-10 | 2013-11 | One year |
Time periods
| Start date | End date | Cycle |
|---|---|---|
| 2012-10 | 2013-11 | One year |
Data Collection Mode
Face-to-face [f2f]
Supervision
The survey was primarily implemented by seven mobile field teams, each composed of: one supervisor, five or six enumerators, one data entry technician, and one driver. In addition, there were also two dedicated mobile tracking teams that were each composed of: one supervisor, two enumerators, one data entry technician and one driver.
For the third round, households from the second round were grouped into clusters. These third round clusters are very similar to the enumeration areas from the second round in that they both consist of primarily the same households. However, each cluster also included both distance and local tracking cases from the second round that reside nearby but not in the same exact enumeration area as the other households in that cluster. Efforts were made in the groupings to maintain the timing of the previous rounds survey.
Field teams visited each cluster for between 4-5 days. The questionnaires were administered to the selected households over the course of that time. This allowed the field team to make return visits to the household to complete the entire Household questionnaire, Agriculture questionnaire for farming households, and Livestock/Fisheries questionnaire for households engaged in livestock or fisheries activities.
To ensure the depth and quality of each section of the survey, the questionnaire was administered across multiple respondents to the most knowledgeable about each topic. For all of the sampled households, areas of all owned and/or cultivated agricultural plots were measured via GPS unless the household refused, the terrain was too difficult, or if the plot was more than 1 hour from the location of the household. Anthropometric measurements were taken for all individuals that were at home, not too ill, and willing to participate.
For the third round, households from the second round were grouped into clusters. These third round clusters are very similar to the enumeration areas from the second round in that they both consist of primarily the same households. However, each cluster also included both distance and local tracking cases from the second round that reside nearby but not in the same exact enumeration area as the other households in that cluster. Efforts were made in the groupings to maintain the timing of the previous rounds survey.
Field teams visited each cluster for between 4-5 days. The questionnaires were administered to the selected households over the course of that time. This allowed the field team to make return visits to the household to complete the entire Household questionnaire, Agriculture questionnaire for farming households, and Livestock/Fisheries questionnaire for households engaged in livestock or fisheries activities.
To ensure the depth and quality of each section of the survey, the questionnaire was administered across multiple respondents to the most knowledgeable about each topic. For all of the sampled households, areas of all owned and/or cultivated agricultural plots were measured via GPS unless the household refused, the terrain was too difficult, or if the plot was more than 1 hour from the location of the household. Anthropometric measurements were taken for all individuals that were at home, not too ill, and willing to participate.
Data Collection Notes
The main data collection began in October 2012 and finished in October 2013, with tracking fieldwork continuing until the end of November 2013. The survey was primarily implemented by seven mobile field teams, each composed of: one supervisor, five or six enumerators, one data entry technician, and one driver.
In addition, there were also two dedicated mobile tracking teams that were each composed of: one supervisor, two enumerators, one data entry technician and one driver.
In addition, there were also two dedicated mobile tracking teams that were each composed of: one supervisor, two enumerators, one data entry technician and one driver.
Data Collectors
| Name | Abbreviation | Affiliation |
|---|---|---|
| National Bureau of Statistics | NBS | Government of Tanzania |
Questionnaires
Questionnaires
The third round of the National Panel Survey consists of four Questionnares: a Household Questionnaire, Agriculture Questionnaire, Livestock/Fishery Questionnaire, and a Community Questionnaire.
The Household Questionnaire is comprised of thematic sections.
Agriculture Questionnares collected information at both the plot and crop level on inputs, production and sales, consistent with key phases in the agricultural value chain.
The Livestock / Fisheries Questionnaire is administered to all households participating in these activities and asks about the inputs, outputs, labour, and sales related to these activities.
The Community Questionnaire collects information on physical and economic infrastructure and events in surveyed communities.
The Household Questionnaire is comprised of thematic sections.
Agriculture Questionnares collected information at both the plot and crop level on inputs, production and sales, consistent with key phases in the agricultural value chain.
The Livestock / Fisheries Questionnaire is administered to all households participating in these activities and asks about the inputs, outputs, labour, and sales related to these activities.
The Community Questionnaire collects information on physical and economic infrastructure and events in surveyed communities.
Data Processing
Data Editing
The National Panel Survey utilizes a concurrent field entry system known a CAFE; Computer Assisted Field Entry.
Data Appraisal
Estimates of Sampling Error
No Sampling Error Reported
Data Appraisal
No Other Forms of Data Appraisal
Access policy
Contacts
| Name | Affiliation | URL | |
|---|---|---|---|
| Director General | National Bureau of Statistics | dg@nbs.go.tz | www.nbs.go.tz |
| Manager, IT Department | National Bureau of Statistics | it.nbs.go.tz | www.nbs.go.tz |
| Focal Person | National Bureau of Statistics | nada@nbs.go.tz | www.nbs.go.tz |
Confidentiality
Confidentiality of respondents is guaranteed by section 20 of Tanzania Statistics act number 1 of 2002. Before being granted access to the dataset, all users have formally agree:
1. All identifying information such as the name and address of respondent has been removed; and
2. The information is disclosed in a manner that is not likely to enable the identification of the particular person or undertaking or business to which it relates.
3. Not attempt to identify any particular person or undertaking or business;
4. Use of information for research or statistically purpose only;
5. Not to disclose the information to any other person, organization
6. When required by the Director General, return all documents made available to him to the Director General;
7. Comply with the directions given by the Director General relating to the records.
8. Every person involved in the research or statistical project for which information is disclosed pursuant to this section shall make the declaration of secrecy set out in the first schedule.
Access conditions
Tanzania NBS considered three levels of accessibility:
1) Public use files, accessible by all
2) Licensed datasets, accessible under certain conditions
3) Datasets only accessible on location, for certain datasets
The dataset has been anonymized and available as a public use dataset. It accessible to all for statistical and research purposes only, under the following terms and conditions:
1. The data and other material will not be redistributed or sold to other individuals, institutions, or organization without the written agreement of the Tanzania National Bureau of Statistics.
2 .The data will be used for statistical and scientific research purposes only. They will be used solely for reporting of aggregated information, and not for investigation of specific individuals or organizations.
3. No attempt will be made to produce links among dataset provided by the National Bureau of Statistics, or among data from the (National Bureau of Statistics) and other datasets that could identify individuals or organizations.
4. No attempt will be made to re-identify respondents, and no use will be made of the identify of any person or establishment discovered inadvertently. Any such discovery would immediately be reported to the National Bureau of Statistics.
5. Any books, articles, conference papers, theses, dissertations, reports, or other publications that employ data obtained from the National Bureau of Statistics will cite the source of data in accordance with the Citation Requirement provided with each dataset.
1) Public use files, accessible by all
2) Licensed datasets, accessible under certain conditions
3) Datasets only accessible on location, for certain datasets
The dataset has been anonymized and available as a public use dataset. It accessible to all for statistical and research purposes only, under the following terms and conditions:
1. The data and other material will not be redistributed or sold to other individuals, institutions, or organization without the written agreement of the Tanzania National Bureau of Statistics.
2 .The data will be used for statistical and scientific research purposes only. They will be used solely for reporting of aggregated information, and not for investigation of specific individuals or organizations.
3. No attempt will be made to produce links among dataset provided by the National Bureau of Statistics, or among data from the (National Bureau of Statistics) and other datasets that could identify individuals or organizations.
4. No attempt will be made to re-identify respondents, and no use will be made of the identify of any person or establishment discovered inadvertently. Any such discovery would immediately be reported to the National Bureau of Statistics.
5. Any books, articles, conference papers, theses, dissertations, reports, or other publications that employ data obtained from the National Bureau of Statistics will cite the source of data in accordance with the Citation Requirement provided with each dataset.
Citation requirements
The data user shall aknowledge that any available intellectual property rights, including copyright and the data of National Panel Survey 2012-2013 Version 1.0 are owened by the National Bureau of Statistics Tanzania.
Access authority
| Name | Affiliation | URL | |
|---|---|---|---|
| National Bureau of Statistics | Government of Tanzania | dg@nbs.go.tz | www.nbs.go.tz |
Disclaimer and copyrights
Disclaimer
"The user of the data should acknowledges that, Tanzania National Bureau of Statistics is 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 without a written agreement from the National Bureau of Statistics"
Copyright
(c) 2014, National Bureau of Statistics
Metadata production
DDI Document ID
DDI-TZA-NBS-NPS-2012-2013-V1.0
Producers
| Name | Abbreviation | Affiliation | Role |
|---|---|---|---|
| National Bureau of Statistics | NBS | Government of Tanzania | Metadata Producer |
| Accelerated Data Program | ADP | PARIS21 | Review of the metadata |
Date of Metadata Production
2014-11-21
DDI Document version
Version 1.0 (November, 2014)