Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates
The usual approach in disability surveys is to screen persons with disability upfront and then ask questions about everyday problems. The objectives of this paper are to demonstrate the impact of screeners on disability rates, to challenge the usual exclusion of persons with mild and moderate disability from disability surveys and to demonstrate the advantage of using an a posteriori cut-off. Using data of a pilot study of the WHO Model Disability Survey (MDS) in Cambodia and the polytomous Rasch model, metric scales of disability were built. The conventional screener approach based on the short disability module of the Washington City Group and the a posteriori cut-off method described in the World Disability Report were compared regarding disability rates. The screener led to imprecise rates and classified persons with mild to moderate disability as non-disabled, although these respondents already experienced important problems in daily life. The a posteriori cut-off applied to the general population sample led to a more precise disability rate and allowed for a differentiation of the performance and needs of persons with mild, moderate and severe disability. This approach can be therefore considered as an inclusive approach suitable to monitor the Convention on the Rights of Persons with Disabilities.
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MDPI
2015-08-25
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| Subjects: | disability evaluation, health surveys, disability surveys, screeners, |
| Online Access: | http://hdl.handle.net/10986/23182 |
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dig-okr-10986231822021-04-23T14:04:13Z Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates Sabariego, Carla Oberhauser, Cornelia Posarac, Aleksandra Bickenbach, Jerome Kostanjsek, Nenad Chatterji, Somnath Officer, Alana Coenen, Michaela Chhan, Lay Cieza, Alarcos disability evaluation health surveys disability surveys screeners The usual approach in disability surveys is to screen persons with disability upfront and then ask questions about everyday problems. The objectives of this paper are to demonstrate the impact of screeners on disability rates, to challenge the usual exclusion of persons with mild and moderate disability from disability surveys and to demonstrate the advantage of using an a posteriori cut-off. Using data of a pilot study of the WHO Model Disability Survey (MDS) in Cambodia and the polytomous Rasch model, metric scales of disability were built. The conventional screener approach based on the short disability module of the Washington City Group and the a posteriori cut-off method described in the World Disability Report were compared regarding disability rates. The screener led to imprecise rates and classified persons with mild to moderate disability as non-disabled, although these respondents already experienced important problems in daily life. The a posteriori cut-off applied to the general population sample led to a more precise disability rate and allowed for a differentiation of the performance and needs of persons with mild, moderate and severe disability. This approach can be therefore considered as an inclusive approach suitable to monitor the Convention on the Rights of Persons with Disabilities. 2015-12-01T22:30:04Z 2015-12-01T22:30:04Z 2015-08-25 Journal Article International Journal of Environmental Research and Public Health http://hdl.handle.net/10986/23182 en_US CC BY 3.0 IGO http://creativecommons.org/licenses/by/3.0/igo World Bank MDPI Publications & Research :: Journal Article Publications & Research |
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disability evaluation health surveys disability surveys screeners disability evaluation health surveys disability surveys screeners |
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disability evaluation health surveys disability surveys screeners disability evaluation health surveys disability surveys screeners Sabariego, Carla Oberhauser, Cornelia Posarac, Aleksandra Bickenbach, Jerome Kostanjsek, Nenad Chatterji, Somnath Officer, Alana Coenen, Michaela Chhan, Lay Cieza, Alarcos Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates |
| description |
The usual approach in disability surveys is to screen persons with disability upfront and then ask questions about everyday problems. The objectives of this paper are to demonstrate the impact of screeners on disability rates, to challenge the usual exclusion of persons with mild and moderate disability from disability surveys and to demonstrate the advantage of using an a posteriori cut-off. Using data of a pilot study of the WHO Model Disability Survey (MDS) in Cambodia and the polytomous Rasch model, metric scales of disability were built. The conventional screener approach based on the short disability module of the Washington City Group and the a posteriori cut-off method described in the World Disability Report were compared regarding disability rates. The screener led to imprecise rates and classified persons with mild to moderate disability as non-disabled, although these respondents already experienced important problems in daily life. The a posteriori cut-off applied to the general population sample led to a more precise disability rate and allowed for a differentiation of the performance and needs of persons with mild, moderate and severe disability. This approach can be therefore considered as an inclusive approach suitable to monitor the Convention on the Rights of Persons with Disabilities. |
| format |
Journal Article |
| topic_facet |
disability evaluation health surveys disability surveys screeners |
| author |
Sabariego, Carla Oberhauser, Cornelia Posarac, Aleksandra Bickenbach, Jerome Kostanjsek, Nenad Chatterji, Somnath Officer, Alana Coenen, Michaela Chhan, Lay Cieza, Alarcos |
| author_facet |
Sabariego, Carla Oberhauser, Cornelia Posarac, Aleksandra Bickenbach, Jerome Kostanjsek, Nenad Chatterji, Somnath Officer, Alana Coenen, Michaela Chhan, Lay Cieza, Alarcos |
| author_sort |
Sabariego, Carla |
| title |
Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates |
| title_short |
Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates |
| title_full |
Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates |
| title_fullStr |
Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates |
| title_full_unstemmed |
Measuring Disability : Comparing the Impact of Two Data Collection Approaches on Disability Rates |
| title_sort |
measuring disability : comparing the impact of two data collection approaches on disability rates |
| publisher |
MDPI |
| publishDate |
2015-08-25 |
| url |
http://hdl.handle.net/10986/23182 |
| work_keys_str_mv |
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