Household Income and Expenditure Survey 2006
Vanuatu, 2006
Get MicrodataIdentification
VUT_2006_HIES_v01_M
Household Income and Expenditure Survey 2006
Vanuatu Sevei blong Haoshol Inkam moa Expendija 2006
| Name | Country code |
|---|---|
| Vanuatu | VUT |
Income/Expenditure/Household Survey [hh/ies]
2006 HIES is the second after the first on after independence which was conducted in 1998. The purpose of the survey is basically for the rebasing of Consumer Price Index and National Accounts.
The 2006 Household Income and Expenditure Survey (HIES) was initiated by Vanuatu National Statistical Office (VNSO) to review its income and expenditure patterns for the national accounts system, to update the Consumer Price Index (CPI) and subsequently revise its Gross Domestic Products (GDP).
Although the 2006 HIES is primarily designed to satisfy the data requirements of the Vanuatu NSO, it is also expected to provide benchmark data for the Millennium Challenge Accounts' (MCA's) infrastructure projects for its impact assessment on the rural economy.
The main objectives of the survey are:
(a) To obtain expenditure weights and other useful data for the up-dating of the basket and weight of the CPI;
(b) To supplement the data available for use in compiling official estimates of household accounts in the systems of national accounts;
(c) To supply benchmark data needed for assessment for MCA infrastructure projects;
(d) To provide data for assessing the impact on household living conditions of existing or proposed economic and social measures, particularly changes in the structure of household expenditures and in household consumption;
(e) To supply basic data needed for policy making in connection with social and economic planning; and
(f) To gather information on poverty lines and incidence of poverty for determining nutritional level of people.
Sample survey data [ssd]
Private household, individual and expenditure item
Scope
In this survey, we intent to determine the number of person in an household, the overall detail income and expenditure of the household. Tho scope also covers the detail information of the persons living in the household. There is a diary which is used to record the daily income and expenditure of the household.
| Topic | Vocabulary | URI |
|---|---|---|
| Income | ||
| Expenditure | ||
| consumption/consumer behaviour [1.1] | CESSDA | http://www.nesstar.org/rdf/common |
| income, property and investment/saving [1.5] | CESSDA | http://www.nesstar.org/rdf/common |
| economic conditions and indicators [1.2] | CESSDA | http://www.nesstar.org/rdf/common |
| employment [3.1] | CESSDA | http://www.nesstar.org/rdf/common |
| unemployment [3.5] | CESSDA | http://www.nesstar.org/rdf/common |
| health care and medical treatment [8.5] | CESSDA | http://www.nesstar.org/rdf/common |
| specific diseases and medical conditions [8.9] | CESSDA | http://www.nesstar.org/rdf/common |
| general health [8.4] | CESSDA | http://www.nesstar.org/rdf/common |
Coverage
National coverage
Province
The survey coverage included only persons living in private households during the survey period (September to November 2006). Persons living in institutions, such as school dormitories, hospital wards, hostels, prisons, as well as those households which had temporarily vacated their dwellings were excluded from the survey. Also excluded from the survey were ex-patriates, temporary residents and permanent residents who were not residing (and intending to reside) in Vanuatu for at least 12 months.
Producers and sponsors
| Name | Affiliation |
|---|---|
| Vanuatu Natioanl Statistics Offie | Government of Vanuatu |
| Name | Affiliation | Role |
|---|---|---|
| Secretariat of the Pacific Community | Regional Organization | Technical Assistant |
| Fiji Bureau of Statistics | Fiji Government | Technical Assistant (Dat Processing) |
| Name | Role |
|---|---|
| Government of Vanuatu | Funded the survey |
| Australian Government through AusAID | Funded the survey |
| United States Government through the Millennium Challenge Corporation Milllanium Challenge Corperation | Funded the survey |
| Millennium Challenge Account, Vanuatu | Funded the surey |
| Name | Affiliation | Role |
|---|---|---|
| Mr. Leon Pietsch | Private Consultant (Australia) | Technical Assistant |
Sampling
The sampling method adopted for the survey was a two-stage approach. The first stage involved the selection of Enumeration Areas (EA) using probability proportional to size (PPS) sampling. The size measure was the number of expected households in the EA, based on 2006 population census estimates. Although it would be desirable to cover all of Vanuatu for this survey, due to cost and time constraints some EAs were excluded from the frame before the selections were made. The impact on sub-population estimates will differ, as some areas have had larger scope reductions.
The second stage of sampling adopted systematic sampling from a list of all households contained in the EA. These lists were produced in the field by enumerators during the first visit to the EA. Once the sample had been selected, a review of where the selections were made was conducted to see how well they covered the projects of interest to the MCA. A total of nine additional EAs were selected to better cover some of the project areas which were not suitably represented by the original sample. A sample size of 4,532 households was adopted for the survey representing around 10 percent of the total households in Vanuatu.
Eight target areas were identified as sub-populations for which estimates would be desirable. These eight areas included the six provinces with separate target areas for the urban centres of Port Vila and Luganville. In order to achieve the required level of accuracy, different sample allocations were produced to determine which allocation would produce estimates of similar level accuracy for each target area. The sample allocation resulted in approximately 600 households selected for each province, except for Luganville and Torba where less than 500 households were selected.
Within each target area, further stratification was adopted in order to enhance suitable representation within each of the different area types. Strata were determined by allocating Area Councils to area types based on the Area Council's accessibility. As a result, 21 strata were created for the final sample. Sample allocation to each stratum was performed by allocating proportionally to the population within each “target area”. The sample weights were calculated for each stratum separately and were adjusted for non-response and benchmarked against household counts from the 2006 agricultural census.
Although it would be desirable to cover all of Vanuatu for this survey, due to cost and time constraints some EAs were excluded from the frame before the selections were made. The impact on sub-population estimates will differ, as some areas have had larger scope reductions. The estimated number of households removed from scope of the survey, with the percentage remaining, can be found in the table below:
The survey was conducted over a three month period beginning in the first week of September and finishing at the end of November 2006. (Some EAs that had not been enumerated as planned were later enumerated in December).
A total of 3884 out of 4590 selected households fully responded to the survey, representing an overall response rate of 84.6 percent. Only 4 percent did not fully respond or provided inadequate information to be included in the survey. However 11.4 percent of households were reported as vacant dwellings which, most probably, include households that could not be contacted during the survey period.
Lower responses rates were reported for Port Vila (69%) and the rest of Shefa (76%) than in the other surveyed provinces. This was largely due to inadequate enumeration in Shefa province. However, apart from these areas the overall response rate indicated a high level of response especially in the provincial rural areas.
The sample weights were calculated for each stratum separately, adjusted for non-response, and benchmarked against household counts from the 2006 Agricultural Census
Survey instrument
Four questionnaire forms were designed to collect information on household size and composition, personal and household income, major household expenditure, and regular food and household supply expenditures in the daily expenditure diary. Following are the forms with the respective persons responsible for their completion:
a) The household control form, administered by the interviewer;
b) The household questionnaire form, administered by the interviewer;
c) The daily expenditure diary, completed by the household over the two-week survey period; and
d) The personal questionnaires, designed to collect detailed information on health facility utilisation and access, educational attainment and attendance and labour force status, administered by the interviewer.
Data collection
| Start | End |
|---|---|
| 2006-09-01 | 2006-11-30 |
| Name | Affiliation |
|---|---|
| Vanuatu National Statistics Office-Enumerators | Vanuatu Government |
The National Statistics Office recruited and trained six provincial coordinators, 30 supervisors and 118 interviewers to conduct the survey in the six provincial areas and two urban centres. Over the survey period each interviewer completed three workloads of about 45 households in total.
Enumerators were asked to report to their supervisors if finding difficulties. If the one workload is completed then the supervisor should check. If the forms are not completed well then should give back to the enumerators to check again. Once the forms are completed the supervisor make the final check and sign it off and send to Provincial Cordinators check again. If there is still problems then the cordinator has to return the form back to the supevisor. Once this is done then the cordintaor will sign off the form then send to the head office. The office will then check if there are problems then will ask for clarification from cordinator and supervisor. The cordinators and supervisors were asked to visit their enumerators once a week .
The enumerators and supervisors were given impress, maps, list of all the villages in the EA and the selected households. Also they were given separate manual for enumerators and separate for the supervisor with questionnairs according to the number of households selected in the EAs.
The National Statistics Office recruited and trained six provincial coordinators, 30 supervisors and 118 interviewers to conduct the survey in the six provincial areas and two urban centres. Over the survey period each interviewer completed three workloads of about 45 households in total.
Four questionnaire forms were designed to collect information on household size and composition, personal and household income, major household expenditure, and regular food and household supply expenditures in the diaries. The household control form and the household questionnaire were administered by interview during the survey period, and the diaries were completed by the households over a two-week period. The personal questionnaire was administered to collect detailed information on health facility utilization and access, educational attendance and attainment, and labour force status.
The completed survey forms were checked by provincial coordinators and processed by staff of the National Statistics Office who recorded their receipt from the supervisors and checked the questionnaires for completeness. Incomplete questionnaires were referred back to the field supervisors to collect the necessary information. The status of incomplete questionnaires was recorded as either out of scope, vacant dwelling, unable to be contacted, and refused to respond.
Data processing
The data coding and manual editing of the questionnaires began in January 2007 and the data entry and micro editing was completed by the mid-July 2007. The completed questionnaires were entered into a data entry system (CSPro) by nine data entry operators and three data editors. The questionnaires were entered twice into the system to ensure the accuracy of the data entry. After macro-editing and imputation, the data was transformed into a dataset that could be used for analysis, and tabulations were performed using Excel pivot tables.
Data Access
| Is signing of a confidentiality declaration required? | Confidentiality declaration text |
|---|---|
| yes | Statistical Act cap 1983 |
The Act only specify the confidentiality of information but do not mention anything about public accessibility. Currently the Statistical Act is under review and still under review for the past five years.
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:
Vanuatu National Statistics Office, Household Income and Expenditure Survey 2006, ref. VUT_2006_HIES_v01_M. Data downloaded from [source].
Disclaimer and copyrights
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.
National Statistics Office, 2006 HIES
Contacts
| Name | Affiliation | |
|---|---|---|
| Vanuatu Statistics Office | Government of Vanuatu | stats@vanuatu.gov.vu |
Metadata production
DDI_VUT_2006_HIES_v01_M
| Name | Affiliation | Role |
|---|---|---|
| Vanuatu National Statistics Office | Government of Vanuatu | Documentation of the study |
2012-09-13
Metadata version
Version 02 (September 2018): Edit version of v01 DDI (DDI-VUT-VNSO-HIES-2006-VO1) which was documented by Vanuatu National Statistics Office.