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Evaluating Filter Questions Used for the Participation & Activity Limitation Survey. David Lawrence Questionnaire Design Resource Centre Statistics Canada QUEST 2007. Overview. PALS background Rationale for study Population of interest Findings & Observations What now. PALS Background.
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Evaluating Filter Questions Used for the Participation & Activity Limitation Survey David Lawrence Questionnaire Design Resource Centre Statistics Canada QUEST 2007
Overview • PALS background • Rationale for study • Population of interest • Findings & Observations • What now
PALS Background • National post-censal survey • Target: Canadian adults & children whose everyday activities may be limited due to a health-related condition or problem • Conducted 4 times: 1986, 1991, 2001 & 2006 • Census filter questions used to create a sampling frame.
Rationale for Study • On-going initiative to improve efficiencies in the collection of social statistical data • Review of many social concepts towards harmonizing various questions included on social surveys. • Activity limitation questions are a part of this review. • Evaluate the performance of the filter questions
Population of Interest Two specific areas of interest: • ‘False positive’ respondents • Respondents having ‘soft’ conditions.
Methodology • 57 cognitive interviews with PALS respondents • Interviews conducted at focus group facilities • Four test sites • Participants: - False positive adults - False positive children - Adult respondents having a ‘soft’ condition - Child respondents having a ‘soft’ condition
Specific Objectives Explore: • comprehension of filter questions - question intent - meaning of terms • reporting issues related to “soft” conditions • potential structural problems with questions
Census Filter Question Do you have any difficulty hearing, seeing, communicating, walking, climbing stairs, bending, learning or doing any similar activities? О Yes, sometimes О Yes, often О No
Canadian Community Health Survey The next few questions deal with any current limitations in your daily activities caused by a long-term health condition or problem. In these questions a long-term condition refers to a condition that is expected to last or has already lasted 6 months or more. Do you have any difficulty hearing, seeing, communicating, walking, climbing stairs, bending, learning or doing any similar activities? О Yes, sometimes О Yes, often О No
Activity Reduction Questions Does a physical condition or mental condition or health problem reduce the amount or kind of activity you can do: ... at home? … at work or school? … in other activities for example, transportation or leisure? Yes, sometimes Yes, often No
Findings & Observations • Question context • Question location • Terminology • Mode • Proxy vs. non-proxy response
What Now? • ‘No’ sample (False negatives) … May 2007 • Further evaluation … quantitative study? • Address issues pertaining to harmonization …