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Validation of a home safety questionnaire used in a series of case-control studies

OBJECTIVE: To measure the validity of safety behaviours, safety equipment use and hazards reported on a questionnaire by parents/carers with children aged under 5 years participating in a series of home safety case-control studies. METHODS: The questionnaire measured safety behaviours, safety equipm...

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Autores principales: Watson, Michael, Benford, Penny, Coupland, Carol, Clacy, Rose, Hindmarch, Paul, Majsak-Newman, Gosia, Deave, Toity, Kendrick, Denise
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4174113/
https://www.ncbi.nlm.nih.gov/pubmed/24591447
http://dx.doi.org/10.1136/injuryprev-2013-041006
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author Watson, Michael
Benford, Penny
Coupland, Carol
Clacy, Rose
Hindmarch, Paul
Majsak-Newman, Gosia
Deave, Toity
Kendrick, Denise
author_facet Watson, Michael
Benford, Penny
Coupland, Carol
Clacy, Rose
Hindmarch, Paul
Majsak-Newman, Gosia
Deave, Toity
Kendrick, Denise
author_sort Watson, Michael
collection PubMed
description OBJECTIVE: To measure the validity of safety behaviours, safety equipment use and hazards reported on a questionnaire by parents/carers with children aged under 5 years participating in a series of home safety case-control studies. METHODS: The questionnaire measured safety behaviours, safety equipment use and hazards being used as exposures in five case-control studies. Responses to questions were compared with observations made during a home visit. The researchers making observations were blind to questionnaire responses. RESULTS: In total, 162 families participated in the study. Overall agreement between reported and observed values of the safety practices ranged from 48.5% to 97.3%. Only 3 safety practices (stair gate at the top of stairs, stair gate at the bottom of stairs, stairs are carpeted) had substantial agreement based on the κ statistic (k=0.65, 0.72, 0.74, respectively). Sensitivity was high (≥70%) for 19 of the 30 safety practices, and specificity was high (≥70%) for 20 of the 30 practices. Overall for 24 safety practices, a higher proportion of respondents over-reported than under-reported safe practice (negative predictive value>positive predictive value). For six safety practices, a higher proportion of respondents under-reported than over-reported safe practice (negative predictive value<positive predictive value). CONCLUSIONS: This study found that the validity of self-reports varied with safety practice. Questions with a high specificity will be useful for practitioners for identifying households who may benefit from home safety interventions and will be useful for researchers as measures of exposures or outcomes.
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spelling pubmed-41741132014-10-02 Validation of a home safety questionnaire used in a series of case-control studies Watson, Michael Benford, Penny Coupland, Carol Clacy, Rose Hindmarch, Paul Majsak-Newman, Gosia Deave, Toity Kendrick, Denise Inj Prev Original Article OBJECTIVE: To measure the validity of safety behaviours, safety equipment use and hazards reported on a questionnaire by parents/carers with children aged under 5 years participating in a series of home safety case-control studies. METHODS: The questionnaire measured safety behaviours, safety equipment use and hazards being used as exposures in five case-control studies. Responses to questions were compared with observations made during a home visit. The researchers making observations were blind to questionnaire responses. RESULTS: In total, 162 families participated in the study. Overall agreement between reported and observed values of the safety practices ranged from 48.5% to 97.3%. Only 3 safety practices (stair gate at the top of stairs, stair gate at the bottom of stairs, stairs are carpeted) had substantial agreement based on the κ statistic (k=0.65, 0.72, 0.74, respectively). Sensitivity was high (≥70%) for 19 of the 30 safety practices, and specificity was high (≥70%) for 20 of the 30 practices. Overall for 24 safety practices, a higher proportion of respondents over-reported than under-reported safe practice (negative predictive value>positive predictive value). For six safety practices, a higher proportion of respondents under-reported than over-reported safe practice (negative predictive value<positive predictive value). CONCLUSIONS: This study found that the validity of self-reports varied with safety practice. Questions with a high specificity will be useful for practitioners for identifying households who may benefit from home safety interventions and will be useful for researchers as measures of exposures or outcomes. BMJ Publishing Group 2014-10 2014-03-03 /pmc/articles/PMC4174113/ /pubmed/24591447 http://dx.doi.org/10.1136/injuryprev-2013-041006 Text en Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 3.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/3.0/
spellingShingle Original Article
Watson, Michael
Benford, Penny
Coupland, Carol
Clacy, Rose
Hindmarch, Paul
Majsak-Newman, Gosia
Deave, Toity
Kendrick, Denise
Validation of a home safety questionnaire used in a series of case-control studies
title Validation of a home safety questionnaire used in a series of case-control studies
title_full Validation of a home safety questionnaire used in a series of case-control studies
title_fullStr Validation of a home safety questionnaire used in a series of case-control studies
title_full_unstemmed Validation of a home safety questionnaire used in a series of case-control studies
title_short Validation of a home safety questionnaire used in a series of case-control studies
title_sort validation of a home safety questionnaire used in a series of case-control studies
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4174113/
https://www.ncbi.nlm.nih.gov/pubmed/24591447
http://dx.doi.org/10.1136/injuryprev-2013-041006
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