| Name | Country code |
|---|---|
| Sierra Leone | SLE |
This survey focused on collecting data from agricultural households, covering topics such as household demographics, land ownership, agricultural activities, livestock rearing, labor force composition, and participation in off-farm activities.
National coverage, with the exception of the Western Urban district
| Name | Affiliation |
|---|---|
| Statistics Sierra Leone | Government of Sierra Leone |
| Ministry of Agriculture and Food Security | Government of Sierra Leone |
| Name | Affiliation | Role |
|---|---|---|
| Food and Agriculture Organization | United Nations |
Technical Assistance |
| Name | Abbreviation | Role |
|---|---|---|
| World Bank | WB |
Financial assistance through the HISWA Project |
The survey employed a stratified random sampling technique to ensure a representative sample of agricultural households across all five regions and fifteen districts of Sierra Leone with the exception of the Western Urban district. From 514 Enumeration Areas, a total of 42990 agricultural households were interviewed.
The response rate was 99.9%.
Sample weights were calculated for the data file. It was computed as the inverse of the probability of selection of agricultural household, the latter bieng the product of the probability of selection of the EA in which the household is located and the probability of selection of the EA.
The weight variable is called "SampleWeight".
The questionnaire was administered in each household, preferably to the head of household. It includes questions on household demographic characteristics and agricultural activities practiced.
The questionnaire is provided as external resource.
The dataset was anonymized using statistical disclosure methods. To start the process, variables were classified into main categories as variables to delete, quasi identifiers, direct identifiers, linked variables. All direct identifiers and unnecessary variables were removed. Then, quasi-identifiers (and linked variables) were considered to formulate disclosure scenarios. Disclosure risk was measured using k-anonymity and probabilistic risk.
Quasi identifiers have been anonymized using top coding (which was especially applied to categorical varaibles ), shuffling (which was applied to enumeration area codes) and local suppression which was applied to both the quasi identifiers and the linked variables. In addition, information loss was mainly measured based on number of missing values introduced during anonymization and dependency coefficient between categorical variables.
The software used was R.
| Start | End |
|---|---|
| 2023-08-28 | 2023-09-18 |
The listing questionnaire was implemented on CSPRO as CAPI tool. During data collection, some validation controls were integrated into the app to minimize mistakes when typing households’ answers. After data collection, a processing program designed under SPSS software permitted to clean both cases and variables. Duplicated cases were deleted and then the sampling weights adjusted to take the two non-covered EAs into account. Missing, illegal, unlike and incoherent values were detected and then locally imputed objectively in respecting filters. Finally, the necessary tabulation variables were created and then tables were produced according to the tabulation plan designed earlier.
To appreciate the data quality, some tables were supported by sampling errors estimates. Especially, coefficients of variations and standard errors were estimated for a set of indicators in open data publishing purposes.
| Confidentiality declaration text |
|---|
|
The users shall not take any action with the purpose of identifying any individual entity (i.e. person, household, enterprise, etc.) in the micro dataset(s). If such a disclosure is made inadvertently, no use will be made of the information, and it will be reported immediately to FAO. |
Licensed datasets, accessible under conditions.
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
| Name | Abbreviation | Affiliation | Role |
|---|---|---|---|
| Statistics Sierra Leone | Stats SL | Government of Sierra Leone |
Metadata producer |
| Ministry of Agriculture and Food Security | MAFS | Government of Sierra Leone |
Metadata producer |
| Statistics Division | ESS | FAO |
Metadata producer and metadata adapted for FAM |
| Development Data Group | DECDG | World Bank Group |
Metadata adapted for World Bank Microdata Library |
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