Sample Frame

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Ralph Digaetano - One of the best experts on this subject based on the ideXlab platform.

  • Sample Frame and Related Sample Design Issues for Surveys of Physicians and Physician Practices
    Evaluation & the health professions, 2013
    Co-Authors: Ralph Digaetano
    Abstract:

    A Sample Frame is the listing of the units from which a Sample is to be selected. When deciding upon a file to serve as a source for a Sample Frame for a survey, perhaps the most important consideration is the extent to which the target population will be covered by the Frame. However, other issues also come into play such as the accuracy of contact and other information appearing on the file as well as its cost. The American Medical Association Masterfile has long been considered the preferred choice for surveys of physicians, although it does have drawbacks. Here we consider two alternative files, discussing their relative advantages and disadvantages. For surveys of physician practices (or other organizations that employ physicians), there have been no files that are obvious choices to serve as the basis for a Sample Frame. Here we discuss data collection on physician practices from an analytic perspective and consider how sampling physicians to obtain practice level data may be a desirable approach.

Debra Stark - One of the best experts on this subject based on the ideXlab platform.

  • health care provider surveys in the united states 2000 2010 a review
    Evaluation & the Health Professions, 2013
    Co-Authors: Caroline Mcleod, Carrie N Klabunde, Gordon Willis, Debra Stark
    Abstract:

    Surveys of health care providers (e.g., physicians and other health care professionals) are an important tool for assessing health care practices and the settings in which care is delivered. Although multiple methods are used to increase survey data quality, little is known about which methods are most commonly implemented. We reviewed 117 large surveys described in literature published between 2000 and 2010, examining descriptions of survey design features, survey implementation, and response rates. Despite wide variation, the typical provider survey selected practicing physicians as respondents, used the American Medical Association Masterfile as Sample Frame, included mail as both mode of initial contact and questionnaire administration mode, and offered monetary incentives to respondents. Our review revealed inconsistency of documentation concerning procedures used, and a variety of response rate calculation methods, such that it was difficult to determine practices that maximize response rate. We recommend that reports provide more comprehensive documentation concerning key methodological features to improve assessment of survey data quality.

Caroline Mcleod - One of the best experts on this subject based on the ideXlab platform.

  • health care provider surveys in the united states 2000 2010 a review
    Evaluation & the Health Professions, 2013
    Co-Authors: Caroline Mcleod, Carrie N Klabunde, Gordon Willis, Debra Stark
    Abstract:

    Surveys of health care providers (e.g., physicians and other health care professionals) are an important tool for assessing health care practices and the settings in which care is delivered. Although multiple methods are used to increase survey data quality, little is known about which methods are most commonly implemented. We reviewed 117 large surveys described in literature published between 2000 and 2010, examining descriptions of survey design features, survey implementation, and response rates. Despite wide variation, the typical provider survey selected practicing physicians as respondents, used the American Medical Association Masterfile as Sample Frame, included mail as both mode of initial contact and questionnaire administration mode, and offered monetary incentives to respondents. Our review revealed inconsistency of documentation concerning procedures used, and a variety of response rate calculation methods, such that it was difficult to determine practices that maximize response rate. We recommend that reports provide more comprehensive documentation concerning key methodological features to improve assessment of survey data quality.

Bernard L. Harlow - One of the best experts on this subject based on the ideXlab platform.

  • Using administrative health care system records to recruit a community-based Sample for population research.
    Annals of epidemiology, 2015
    Co-Authors: J. Michael Oakes, Richard F. Maclehose, Kelsey Mcdonald, Bernard L. Harlow
    Abstract:

    Abstract Purpose Epidemiologists often seek a representative Sample of particular persons from geographically bounded areas. However, it has become increasingly difficult to identify a Sample Frame that truly represents the underlying target population. We assessed the degree to which a clinic-based Sample represents a target community. Methods Our Sample Frame is from a large health care provider from the Minneapolis-Saint Paul, Minnesota, metropolitan area. We used U.S. Census data to examine the sociodemographic and geospatial distribution of the sampling Frame and among those who did and did not respond. Results Our study's overall response rate was 57%. The most impoverished areas of the target population were under-represented in our Sample Frame, but this under-representation was similar for both respondents and nonrespondents. In addition, our Sampled population was slightly older compared to the target population. Using ecological-level census-derived markers of sociodemographic characteristics, members of the Sample Frame were similar to that of the target population except for being somewhat more highly educated. However, the distributions of available individual-level data such as race and education were different between respondents and the target population. Conclusions Although the use of health care administrative records for identifying a sampling Frame that represents a target population has limitations, our findings suggest that this method had strengths. More comparisons of methods for identifying and recruiting target populations are needed.

Pietro Gennari - One of the best experts on this subject based on the ideXlab platform.

  • Building a master sampling Frame by linking the population and housing census with the agricultural census
    Statistical journal of the IAOS, 2014
    Co-Authors: Naman Keita, Pietro Gennari
    Abstract:

    The objective of the Global Strategy to Improve Agricultural and Rural Statistics is to enable developing countries to build a sound and comprehensive agricultural statistical system, that is sustainable, well integrated in the overall national statistical system and that is capable of responding to the information needs of the 21 st century. One of the three pillars of the Global Strategy is the integration of agriculture into the national statistical system which is obtained through three methodological tools: (i) an integrated survey Framework, that defines the mix and frequency of data collection initiatives needed to meet the predefined data requirements; (ii) an integrated statistical data base, that provides data management system for different data sources (censuses, surveys, administrative data), using common definitions and classifications and ensuring that only one number is agreed as official statistics; (iii) a master sampling Frame, that is the basis for selecting the Sample of all agriculture-related surveys across the national statistical system, thus allowing coordinated data collections. Little guidance is currently available on buiding a Master Sample Frame for agricultural surveys in different country contexts. The FAO and UNFPA Guidelines for Linking Population and Housing Censuses with Agricultura Censuses aim to fill this gap. This paper draws on the Guidelines and country reports to examine how the agricultural data collected through the Population Census can contribute to building a Master Sample Frame for agriculture censuses and surveys, with illustrations from the recent experience of Mozambique.