Integrated Labour Force Survey 2006
Tanzania, 2006
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Identification
Survey ID Number
TZA-NBS-ILFS-2006-v01
Title
Integrated Labour Force Survey 2006
Country
| Name | Country code |
|---|---|
| Tanzania | TZA |
Study type
Labour Force Survey [hh/lfs]
Series Information
Labour Force Survey 2006 is the second round of the Labour Force Survey.The Integrated Labour Force Survey (ILFS) is among the surveys planned to be conducted once in every five-year interval.The findings update those of the ILFS conducted in 2000/01, and reveal changes in the labour market of the country between year 2001 and 2006.
Abstract
The 2006 Integrated Labour Force Survey (ILFS) was the fourth such survey to be conducted by the Tanzanian government in collaboration with development partners and other stakeholders. This survey was similar in many respects to the 2000/01 ILFS. However, in addition to topics covered in that survey, the 2006 ILFS for the first time included time use module. The 2006 ILFS was, among others, intended to meet the data needs for monitoring of the National Strategy for Growth and Reduction of
Poverty (NSGRP) or MKUKUTA in respect of economic growth and reduction of income poverty.
Poverty (NSGRP) or MKUKUTA in respect of economic growth and reduction of income poverty.
Kind of Data
Sample survey data [ssd]
Unit of Analysis
Individual and Households
Version
Version Description
Version 01.0 (Public file for web dissemination)
Version Date
2006-08
Scope
Notes
Households- Household characteristics,usual residents,Education and Training,Economics activities, Households amenities and Community services, Labour activities, School attendance, Health and Safety, Child Labour
Topics
Coverage
Geographic Coverage
Tanzania Mainland
Geographic Unit
Clusters
Universe
Individuals aged five years and above, living in private households
Producers and sponsors
Primary investigators
| Name | Affiliation |
|---|---|
| National Bureau of Statistics | Ministry of Finance and Economics Affairs |
Producers
| Name | Role |
|---|---|
| National Bureau of Statistics | Data producer |
| Ministry of Labour, Empowerment and Youth Development | Technical assistance |
| Ministry of Planning, Economy and Empowerment | Technical assistance |
Funding Agency/Sponsor
| Name | Abbreviation | Role |
|---|---|---|
| National Strategy for Growth and Reduction of Poverty | NSGRP | Financial support |
Sampling
Sampling Procedure
A three-stage sampling technique was agreed upon during the planning stage, which started in November 2005 and ended in December 2005 before the execution of the fieldwork for the ILFS.
The sampling was based on the National Master Sample (NMS) that covers Tanzania Mainland and Zanzibar. A similar approach was adopted at the planning stage of the 2000/01 ILFS. Sampling was done by the NBS in collaboration with an expert from the University of Dar es Salaam. This report analyses the data collected in Tanzania Mainland.
A simple random sampling technique was adopted at the first stage of sample design to determine representative samples of villages (140) and EAs (244) in rural and urban areas respectively. The villages, and enumeration areas (EAs) were demarcated during the 2002 Population and Housing Census.
The second stage involved random selection of 80 households in each selected village and 30 households in each selected urban EA. This was then followed by the third stage of sampling which involved random selection of households to form representative samples of 20 and 30 households in each selected village and urban EA respectively that have to be interviewed in each quarter of the year. Five questionnaires focusing on different aspects were then administered in each of those households. The time use questionnaire was, however, administered only in every fifth household in the sample
The sampling was based on the National Master Sample (NMS) that covers Tanzania Mainland and Zanzibar. A similar approach was adopted at the planning stage of the 2000/01 ILFS. Sampling was done by the NBS in collaboration with an expert from the University of Dar es Salaam. This report analyses the data collected in Tanzania Mainland.
A simple random sampling technique was adopted at the first stage of sample design to determine representative samples of villages (140) and EAs (244) in rural and urban areas respectively. The villages, and enumeration areas (EAs) were demarcated during the 2002 Population and Housing Census.
The second stage involved random selection of 80 households in each selected village and 30 households in each selected urban EA. This was then followed by the third stage of sampling which involved random selection of households to form representative samples of 20 and 30 households in each selected village and urban EA respectively that have to be interviewed in each quarter of the year. Five questionnaires focusing on different aspects were then administered in each of those households. The time use questionnaire was, however, administered only in every fifth household in the sample
Response Rate
The realised response for the standard labour force questions was 16,445 households giving a response rate of 88.8 percent and covering 72,442 individuals
Weighting
Weighting calculations were done by the data processing personnel under the guidance of the sampling expert from the University of Dar es Salaam. Criteria and assumptions applied in the calculations were similar to those developed during the 2000/01 ILFS. Calculations were done separately for rural and urban clusters. The correction factors for rural and urban clusters were 1.2054 and 1.2869, respectively. The attached table in the Appendix summarizes the results of the adjusted weights and population for all clusters.
Data Collection
Dates of Data Collection
| Start |
|---|
| 2006-01-01 |
Time periods
| Start date | End date |
|---|---|
| 2007-01-01 | 2012 |
Data Collection Mode
Face-to-face [f2f]
Supervision
In executing the ILFS, the NBS adhered to the statistical methods and standards necessary for the production of quality data. This was done by including quality control staff from the Department of Statistical Methods and Standards and Coordination at the NBS who acted as a watchdog throughout all stages of the execution of the survey.
1.2.7 Recruitment
Administrative care was taken to recruit qualified persons to perform the necessary tasks at all stages of the survey. Staff recruited included field workers, Regional Statistical Managers and national supervisors. A total of 186 fieldworkers were recruited, of whom 39 were females. Most of them had attained ordinary secondary level education while a few had attained advanced secondary level education.
1.2.7 Recruitment
Administrative care was taken to recruit qualified persons to perform the necessary tasks at all stages of the survey. Staff recruited included field workers, Regional Statistical Managers and national supervisors. A total of 186 fieldworkers were recruited, of whom 39 were females. Most of them had attained ordinary secondary level education while a few had attained advanced secondary level education.
Data Collection Notes
Training of master trainers was done at national level in Morogoro in 2005. This was followed by training of field staff in six zones covering all 21 regions of Tanzania Mainland. The training was intensive and aimed at ensuring that the knowledge was transferred in a uniform manner to potential field staff.. Class tests were administered in some zonal training centres to assess understanding. Both the national and zonal stages of training included class lectures, exercises and field work practice in selected rural and urban areas.
1.2.9 Fieldwork
Regular field visits for ensuring close supervision were made by national and regional supervisors. This was intended to minimise possible errors made by field staff who were instructed to make field edits at the household as soon as they finished the interview. This practice was intended to ensure that the quality of work was maintained at all stages of data production
1.2.9 Fieldwork
Regular field visits for ensuring close supervision were made by national and regional supervisors. This was intended to minimise possible errors made by field staff who were instructed to make field edits at the household as soon as they finished the interview. This practice was intended to ensure that the quality of work was maintained at all stages of data production
Data Collectors
| Name | Abbreviation | Affiliation |
|---|---|---|
| National Bureau of Statistics | NBS | Ministry of Finance and Economics Affairs |
Questionnaires
Questionnaires
Households- Household characteristics,usual residents,Education and Training,Economics activities, Households amenities and Community services, Labour activities, School attendance, Health and Safety, Child Labour
Data Processing
Data Editing
Data processing was carried out as soon as questionnaires were received from the field. The first stage included questionnaire reception and manual checking of the number of clusters (EAs) in a region and the number of households in each cluster. This was followed by manual editing and coding of questionnaires before data entry.
Data Appraisal
Estimates of Sampling Error
.
Access policy
Contacts
| Name | Affiliation | URL | |
|---|---|---|---|
| Director General | National Bureau of Statistics | dg@nbs.go.tz | www.nbs.go.tz |
Confidentiality
Confidentiality of respodents 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 is available as a Public Use Dataset. It is accessible to all for statistical and research purposes only, under the following terms and conditions:
1. The data and other materials will not be redistributed or sold to other individuals, institutions, or organizations without the written agreement of the [National Data Archive].
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 re-identify respondents, and no use will be made of the identity of any person or establishment discovered inadvertently. Any such discovery would immediately be reported to the [National Data Archive].
4. No attempt will be made to produce links among datasets provided by the [National Data Archive], or among data from the [National Data Archive] and other datasets that could identify individuals or organizations.
5. Any books, articles, conference papers, theses, dissertations, reports, or other publications that employ data obtained from the [National Data Archive] will cite the source of data in accordance with the Citation Requirement provided with each dataset.
6. An electronic copy of all reports and publications based on the requested data will be sent to the [National Data Archive].
The original collector of the data, the [National Data Archive], and the relevant funding agencies bear no responsibility for use of the data or for interpretations or inferences based upon such uses.
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 is available as a Public Use Dataset. It is accessible to all for statistical and research purposes only, under the following terms and conditions:
1. The data and other materials will not be redistributed or sold to other individuals, institutions, or organizations without the written agreement of the [National Data Archive].
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 re-identify respondents, and no use will be made of the identity of any person or establishment discovered inadvertently. Any such discovery would immediately be reported to the [National Data Archive].
4. No attempt will be made to produce links among datasets provided by the [National Data Archive], or among data from the [National Data Archive] and other datasets that could identify individuals or organizations.
5. Any books, articles, conference papers, theses, dissertations, reports, or other publications that employ data obtained from the [National Data Archive] will cite the source of data in accordance with the Citation Requirement provided with each dataset.
6. An electronic copy of all reports and publications based on the requested data will be sent to the [National Data Archive].
The original collector of the data, the [National Data Archive], and the relevant funding agencies bear no responsibility for use of the data or for interpretations or inferences based upon such uses.
Citation requirements
"National Bureau of Statistics, Integrated Labour Force Survey 2006(ILFS 2006), Version 1.0 of the public use datasets(August 2007), provided by the National Bureau of Statistics. www.nbs.go.tz"
Access authority
| Name | Affiliation | URL | |
|---|---|---|---|
| National Bureau of Statistics | Ministry of Finance and Economics Affairs | info@nbs.go.tz | www.nbs.go |
Disclaimer and copyrights
Disclaimer
"The user of the data should acknowledges that, National Bureau of Statistics is the original collector of the data , the authorised 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) 2006,National Bureau of Statistics
Metadata production
DDI Document ID
TZA-NBS-ILFS-2006-v01
Producers
| Name | Abbreviation | Affiliation | Role |
|---|---|---|---|
| National Bureau of Statistics | NBS | Ministry of Finance and Economics | Data producer |
| Accelerated Data Program | ADP | PARIS21 | Review of the metadata |
Date of Metadata Production
2009-12-01
DDI Document version
Version 01.0(December 2009)