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PubMed1980

China.

China's census, scheduled for July 1, 1981, will be preceded by a pilot census at the end of the next month. According to Mr. Y.C. Yu, Statistician in the Demographic and Social Statistics Branch of the UN, the pretest will be held in Wu Xi, a resort area of about 1.6 million persons about a 2-hour train ride west of Shanghai. Mr. Yu and Mr. Varon Kannisto will be UN observers of the pilot census. The method of enumeration will be similar to that used in the 1953 and 1964 censuses, said Mr. Yu. Each head of household will report to an enumeration station to provide information on the characteristics of household members. The questionnaire will contain about 13 items, which will be asked of 100% of the population. The 5 million enumerators will be teachers, accountants, and others, generally residents of the local area in which they will act as enumerators. Census data will be processed by computers in each of the 29 provinces and autonomous regions. The UNFPA is providing computers, data entry and ancillary equipment, software and supplies, advisory services, and training in census methods and data processing. The computers supplied by IBM will be the 4300 series; a model 4341 will be installed at the State Statistical Bureau in Beijing and 15 model 4331s will go to individual provinces. Results of earlier censuses were processed manually and with the abacus. UNFPA also plans to provide support for the analysis of census data and for their dissemination to appropriate organizations and departments in China.

Asia↗
PubMed1991

Ethnographic methods in the development of census procedures for enumerating the homeless.

The use of ethnographic methods to estimate the number of homeless persons in the United States is explored. The authors describe how "ethnographic methods were integrated with survey procedures in a 1989 Census Bureau pilot test of an experimental daytime count of homeless persons in Baltimore, MD. We demonstrated that ethnographic techniques do not have to be merely supplemental to survey research, but can play an integral part in shaping the entire procedure. Ethnographic data proved valuable for choosing sites, designing questionnaires and developing new interview approaches, and have since proven equally useful in interpreting the test results."

Americas↗
PubMed1997

The Hampstead Schizophrenia Survey 1991. I: Prevalence and service use comparisons in an inner London health authority, 1986-1991.

BACKGROUND: A point prevalence study of schizophrenia was carried out in 1986 in the former Hampstead Health District using a key informant method to identify cases. The point prevalence of broadly defined schizophrenia was 4.7 per 1000. METHOD: A repeat census of people with schizophrenia, using the same method, was carried out in 1991 and the point prevalence calculated. The accuracy of the census method was estimated. Contact with services, social and occupational activity, and medication usage in the 1986 and 1991 samples were compared. RESULTS: The point prevalence rate of broadly defined schizophrenia in 1991 was 5.1 per 1000. The results of both censuses showed we underestimated the number of individuals with DSM-III-R positive schizophrenia by about 14%. The level of contact with specialist services was greater in 1991 than 1986. Patients in 1991 were discharged on higher doses of medication, and their most recent admission was more likely to be due to non-compliance, than the 1986 group. CONCLUSION: The point prevalence confirmed the high rate reported in 1986. The accuracy of the census was within acceptable limits for service planning. Contact with specialist services increased between 1986 and 1991.

Adolescent↗
PubMedDate not supplied

Misclassification of income quintiles derived from area-based measures. A comparison of enumeration area and forward sortation area.

BACKGROUND: Census-based methods are often used to estimate socioeconomic status. We assessed the agreement between Forward Sortation Area (FSA) and Enumeration Area (EA) derived income levels for all patients undergoing cardiac catheterization in Alberta, Canada, from 1995-1998. METHODS: Income quintiles were calculated from census data for FSA and EA level. FSA- and EA-derived income measures were compared for misclassification. Both methods were then applied to the data to determine 4-year survival by income grouping in 21,446 patients following catheterization. RESULTS: The variability in EA-derived incomes for any given FSA-derived income is large. Only 40% of income quintiles are in agreement between the methods. For EA-based analyses, there is a linear relationship between higher income and lower mortality across all quintiles, while for FSA-based analyses, only the lowest income quintile had significantly higher mortality. DISCUSSION: Assuming that FSA-based methods are more likely to misclassify income compared to EA-based measures, the results for the FSA-based analyses are more likely to be erroneous. EA-derived measures should therefore be used when individual data are not available.

Alberta↗
PubMed1986

Using administrative lists to estimate census omissions.

"We present a method for estimating omission rates from censuses. Our method is based on the merger of administrative lists, sampling from these lists, and matching against census rolls. We describe the method, present the results of a test in New York City...in 1980, and evalute the results. We compare our proposed method to other procedures for estimating omission rates."

Americas↗
PubMed1999

Socio-demographic characteristics of New Zealand smokers: results from the 1996 census.

AIMS: To examine the key socio-demographic characteristics of adult smokers in New Zealand based on 1996 census data. METHODS: Data were obtained from the 1996 Census of Populations and Dwellings on smoking status and key socio-demographic variables. Age standardised smoking prevalence rates were calculated. RESULTS: Of the New Zealand population aged 15 years and over, 23.7% reported that they were regular smokers. Maori have the highest smoking prevalence in New Zealand (40.5%) and the peak rate is 55% among young Maori women aged 25-29 years. Pacific Island people, particularly males, have higher smoking rates than Europeans, while among Asians, the rate for males is three to four times the rate for females. People with no qualifications, who are unemployed or earning less than $30,000 per year, and women with high parities also have relatively high smoking prevalence rates. CONCLUSION: The smoking rates of New Zealand population groups are highly heterogeneous and there is substantial scope for focusing tobacco control interventions on those groups with the highest prevalence.

Adolescent↗
PubMed1975

A general method of correction for age misreporting in census populations.

The paper provides a general method for estimating age-reporting errors from two consecutive census populations along the lines suggested by Demeny and Shorter (1968). When the true age structures in the two censuses are the same, the general method and the Demeny-Shorter method give identical results. However, the latter method faces increasingly the problem of inconsistency of the results with the underlying sssumptions as the disparity between the age structures becomes more and more significant. The present method is more general in the sense that it always gives consitent results irrespective of the populations under consideration.

Adolescent↗