Sample characteristics: Jamaica

Census characteristics
  1982 1991 2001
Title Population Census 1982, Jamaica Population Census 1991, Jamaica Population Census 2001, Jamaica  
Census agency Population Census Unit, Department of Statistics Division of Censuses and Related Studies, Statistical Institute of Jamaica Statistical Institute of Jamaica  
Population universe All Jamaicans and non-Jamaican whose usual place of residence was in Jamaica even if they were temporarily (less than 6 months) abroad at the time of the census, including foreign diplomats in Jamaica. Jamaican diplomatic personnel serving in the missions overseas were excluded All Jamaicans and non-Jamaican whose usual place of residence was in Jamaica even if they were temporarily (less than 6 months) abroad at the time of the census, including foreign diplomats in Jamaica. Jamaican diplomatic personnel serving in the missions overseas were excluded All Jamaicans and non-Jamaican whose usual place of residence was in Jamaica even if they were temporarily (less than 6 months) abroad at the time of the census. Both foreign diplomats in Jamaica and Jamaican diplomatic personnel serving in the missions overseas were excluded  
De jure or de facto De facto and de jure De facto and de jure De jure  
Enumeration unit Housing unit, dwellings, and households Housing unit, dwellings, and households Housing unit, dwellings, and households  
Census day June 8, 1982 April 7, 1991 September 10, 2001  
Field work period  
Enumeration forms There are 2 forms: Form C-1 (Census questionnaire) and Form C-3 (Visitation Record, Private Dwelling) There are 2 forms: Form C-1 (Census questionnaire) and Form C-3 (Visitation Record, Private Dwelling) There are 2 forms. (1) The short form contains questions which will be asked of the entire population. (2) The long form contains all questions on the short form and questions which will be administered only to 10% of the population identified on the selection of a 10% sample of all E.Ds.  
Type of field work House-to-house visit and personal interview House-to-house visit and personal interview House-to-house visit and personal interview  
Respondent Acknowledged head of the household Acknowledged head of the household Acknowledged head of the household  
Coverage 100% of population and housing characteristics 100% of population and housing characteristics 100% of population and housing characteristics; 10% receiving long forms, including all collective dwellings  

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Microdata sample characteristics
  1982 1991 2001
Microdata source Statistical Institute of Jamaica Statistical Institute of Jamaica Statistical Institute of Jamaica  
Sample design Systematic sample of every 10th household with a random start, drawn by the Minnesota Population Center Systematic sample of every 10th household with a random start, drawn by the Minnesota Population Center The sample consists only of data from long forms, filled by the population in 10% of enumeration districts.  
Sample unit Household Household Household  
Sample fraction 10% 10% 10% (adjustment for undercount implicit in the sample weights suggests a true density of approximately 8%)  
Sample size (person records) 223,667 232,625 205,179  
Sample weights Self-weighting (expansion factor = 10). Self-weighting (expansion factor = 10). Computed by Minnesota Population Center. Weights are the ratio of longform to adjusted total population in each strata (defined by age, sex, parish, and urban status).  

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Units identified
  1982 1991 2001
Dwellings Yes Yes Yes  
Vacant units No No No  
Households Yes Yes Yes  
Individuals Yes Yes Yes  
Group quarters Yes Yes Yes  
Indigenous population No No No  
Special populations Yes (Unsettled population) Yes (Unsettled population) Yes (Unsettled population)  
Smallest geography Parish Parish Parish  

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Unit definitions
  1982 1991 2001
Dwellings A dwelling unit is any building or separate and independet part of a building in which a person or group of persons living at the time of the Census. A dwelling unit is any building or separate and independet part of a building in which a person or group of persons living at the time of the Census. A dwelling unit is any building or separate and independet part of a building in which a person or group of persons living at the time of the Census.  
Households A household consists of one person who lives alone or a group of persons who, as a unit, jointly occupies the whole or part of a dwelling unit, who have common arrangements for housekeeping, and who generally share at least one meal. The household may be composed of related persons only, of unrelated persons, or of a combination of both. A household consists of one person who lives alone or a group of persons who, as a unit, jointly occupies the whole or part of a dwelling unit, who have common arrangements for housekeeping, and who generally share at least one meal. The household may be composed of related persons only, of unrelated persons, or of a combination of both. A household consists of one person who lives alone or a group of persons who, as a unit, jointly occupies the whole or part of a dwelling unit, who have common arrangements for housekeeping, and who generally share at least one meal. The household may be composed of related persons only, of unrelated persons, or of a combination of both.  
Group quarters Non-private dwelling or group dwellings are defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work or other reasons. Living collectively means that they usually eat common meals and share common domestic services. Non-private dwelling or group dwellings are defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work or other reasons. Living collectively means that they usually eat common meals and share common domestic services. Non-private dwelling or group dwellings are defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work or other reasons. Living collectively means that they usually eat common meals and share common domestic services.  

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