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All (7)

All (7) ((7 results))

  • Articles and reports: 82-003-X201200211648
    Geography: Canada
    Description:

    This analysis uses information from the 2007 to 2009 Canadian Health Measures Survey to examine moderate-to-vigorous physical activity, sedentary behaviour and sleep duration in children aged 6 to 11. The objective was to compare and contrast findings from these data collection methods and explore differences in their associations with health markers in children.

    Release date: 2012-04-18

  • Articles and reports: 82-003-X201100311533
    Geography: Canada
    Description:

    This study compares the bias in self-reported height, weight and body mass index in the 2008 and 2005 Canadian Community Health Surveys and the 2007 to 2009 Canadian Health Measures Survey. The feasibility of using correction equations to adjust self-reported 2008 Canadian Community Health Survey values to more closely approximate measured values is assessed.

    Release date: 2011-08-17

  • Articles and reports: 82-003-X201100311534
    Geography: Canada
    Description:

    Using data from the 2007 to 2009 Canadian Health Measures Survey, this study investigates the bias that exists when height, weight and body mass index are based on parent-reported values. Factors associated with reporting error are used to establish the feasibility of developing correction equations to adjust parent-reported estimates.

    Release date: 2011-08-17

  • Articles and reports: 11-522-X20050019482
    Description:

    Health studies linking the administrative hospital discharge database by person can be used to describe disease/procedure rates and trends by person, place and time; investigate outcomes of disease, procedures or risk factors; and illuminate hospital utilization. The power and challenges of this work will be illustrated with examples from work done at Statistics Canada.

    Release date: 2007-03-02

  • Stats in brief: 13-604-M2005047
    Description:

    This paper discusses the revision policy of Canada's National Tourism Indicators (NTI) and summarizes results from some recent studies of data revisions to the NTI. The discussion is timely, as the adoption of explicit data revision policies has been emphasized recently as an essential element in the good governance of statistical systems.

    The paper starts with a brief description of the NTI, their underlying conceptual framework, and their sources and methods. Next comes a discussion of the need for data revisions, and an outline of various types of revisions. Then a few sections are devoted to the new NTI revision policy adopted with the first quarter 2004 estimates, and the associated costs and benefits. Revision studies, which have been used to assess quality of national accounts estimates, and the database established to track data revisions to the NTI are described next. Last, results from some recent NTI data revision exercises and studies are summarized.

    Release date: 2005-01-28

  • Articles and reports: 11-522-X20020016732
    Description:

    Analysis of dose-response relationships has long been important in toxicology. More recently, this type of analysis has been employed to evaluate public education campaigns. The data that are collected in such evaluations are likely to come from standard household survey designs with all the usual complexities of multiple stages, stratification and variable selection probabilities. On a recent evaluation, a system was developed with the following features: categorization of doses into three or four levels, propensity scoring of dose selection and a new jack-knifed Jonckheere-Terpstra test for a monotone dose-response relationship. This system allows rapid production of tests for monotone dose-response relationships that are corrected both for sample design and for confounding. The focus of this paper will be the results of a Monte-Carlo simulation of the properties of the jack-knifed Jonckheere-Terpstra.

    Moreover, there is no experimental control over dosages and the possibility of confounding variables must be considered. Standard regressions in WESVAR and SUDAAN could be used to determine if there is a linear dose-response relationship while controlling on confounders, but such an approach obviously has low power to detect nonlinear but monotone dose-response relationships and is time-consuming to implement if there are a large number of possible outcomes of interest.

    Release date: 2004-09-13

  • Articles and reports: 12-001-X199500114416
    Description:

    Stanley Warner was widely known for the creation of the randomized response technique for asking sensitive questions in surveys. Over almost two decades he also formulated and developed statistical methodology for another problem, that of deriving balanced information in advocacy settings so that both positions regarding a policy issue can be fairly and adequately represented. We review this work, including two survey applications implemented by Warner in which he applied the methodology, and we set the ideas into the context of current methodological thinking.

    Release date: 1995-06-15
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Analysis (7)

Analysis (7) ((7 results))

  • Articles and reports: 82-003-X201200211648
    Geography: Canada
    Description:

    This analysis uses information from the 2007 to 2009 Canadian Health Measures Survey to examine moderate-to-vigorous physical activity, sedentary behaviour and sleep duration in children aged 6 to 11. The objective was to compare and contrast findings from these data collection methods and explore differences in their associations with health markers in children.

    Release date: 2012-04-18

  • Articles and reports: 82-003-X201100311533
    Geography: Canada
    Description:

    This study compares the bias in self-reported height, weight and body mass index in the 2008 and 2005 Canadian Community Health Surveys and the 2007 to 2009 Canadian Health Measures Survey. The feasibility of using correction equations to adjust self-reported 2008 Canadian Community Health Survey values to more closely approximate measured values is assessed.

    Release date: 2011-08-17

  • Articles and reports: 82-003-X201100311534
    Geography: Canada
    Description:

    Using data from the 2007 to 2009 Canadian Health Measures Survey, this study investigates the bias that exists when height, weight and body mass index are based on parent-reported values. Factors associated with reporting error are used to establish the feasibility of developing correction equations to adjust parent-reported estimates.

    Release date: 2011-08-17

  • Articles and reports: 11-522-X20050019482
    Description:

    Health studies linking the administrative hospital discharge database by person can be used to describe disease/procedure rates and trends by person, place and time; investigate outcomes of disease, procedures or risk factors; and illuminate hospital utilization. The power and challenges of this work will be illustrated with examples from work done at Statistics Canada.

    Release date: 2007-03-02

  • Stats in brief: 13-604-M2005047
    Description:

    This paper discusses the revision policy of Canada's National Tourism Indicators (NTI) and summarizes results from some recent studies of data revisions to the NTI. The discussion is timely, as the adoption of explicit data revision policies has been emphasized recently as an essential element in the good governance of statistical systems.

    The paper starts with a brief description of the NTI, their underlying conceptual framework, and their sources and methods. Next comes a discussion of the need for data revisions, and an outline of various types of revisions. Then a few sections are devoted to the new NTI revision policy adopted with the first quarter 2004 estimates, and the associated costs and benefits. Revision studies, which have been used to assess quality of national accounts estimates, and the database established to track data revisions to the NTI are described next. Last, results from some recent NTI data revision exercises and studies are summarized.

    Release date: 2005-01-28

  • Articles and reports: 11-522-X20020016732
    Description:

    Analysis of dose-response relationships has long been important in toxicology. More recently, this type of analysis has been employed to evaluate public education campaigns. The data that are collected in such evaluations are likely to come from standard household survey designs with all the usual complexities of multiple stages, stratification and variable selection probabilities. On a recent evaluation, a system was developed with the following features: categorization of doses into three or four levels, propensity scoring of dose selection and a new jack-knifed Jonckheere-Terpstra test for a monotone dose-response relationship. This system allows rapid production of tests for monotone dose-response relationships that are corrected both for sample design and for confounding. The focus of this paper will be the results of a Monte-Carlo simulation of the properties of the jack-knifed Jonckheere-Terpstra.

    Moreover, there is no experimental control over dosages and the possibility of confounding variables must be considered. Standard regressions in WESVAR and SUDAAN could be used to determine if there is a linear dose-response relationship while controlling on confounders, but such an approach obviously has low power to detect nonlinear but monotone dose-response relationships and is time-consuming to implement if there are a large number of possible outcomes of interest.

    Release date: 2004-09-13

  • Articles and reports: 12-001-X199500114416
    Description:

    Stanley Warner was widely known for the creation of the randomized response technique for asking sensitive questions in surveys. Over almost two decades he also formulated and developed statistical methodology for another problem, that of deriving balanced information in advocacy settings so that both positions regarding a policy issue can be fairly and adequately represented. We review this work, including two survey applications implemented by Warner in which he applied the methodology, and we set the ideas into the context of current methodological thinking.

    Release date: 1995-06-15
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