Population-based preference weights for the Adult Social Care Outcomes Toolkit (ASCOT) for service users for Austria: findings from a best-worst experiment

Hajji, Assma, Trukeschitz, Birgit, Malley, Juliette ORCID: 0000-0001-5759-1647, Batchelder, Laurie, Salonicki, Eirini, Linnosmaa, Issmo and Lu, Hui (2020) Population-based preference weights for the Adult Social Care Outcomes Toolkit (ASCOT) for service users for Austria: findings from a best-worst experiment. Social Science & Medicine, 250. ISSN 0277-9536

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Abstract

Background The Adult Social Care Outcomes Toolkit (ASCOT) measures quality-of-life (QoL) outcomes of long-term care (LTC) service provision. Country-specific preference weights are required to calculate ASCOT scores. ASCOT has been translated into German, but lacks preference weights for German-speaking countries. Objectives This paper aims to establish Austrian preference weights for the German version of the ASCOT service user measure, using best-worst scaling (BWS). Methods Data were collected using an online BWS-experiment from a general population sample (n=1,000) of Austrian adults. We use a scaleadjusted multinomial logit model (S-MNL) accounting for positioning effects to estimate preference weights. Results Austrians value the top attribute-levels in the ASCOT domains 'being meaningfully occupied during the day' and 'having control over daily life' most highly, whereas high needs were the least preferred in the domains 'dignity' and 'social participation'. From a methods perspective, we found significant positioning effects only for 'best' choices, with statements at the top of a list being picked more often than those further down in the list. Factors related to survey completion (self-assessed understanding of the tasks and survey completion time) were shown to have the greatest effect on individual choice consistency. Discussion The paper provides Austrian preference weights for the German version of ASCOT for service users. The weights also provide insight into how Austrians value different LTC-QoL states. Future research may investigate how values for different LTC-QoL states differ between socioeconomic groups.

Item Type:	Article
Official URL:	https://www.journals.elsevier.com/social-science-a...
Additional Information:	© 2020 Published by Elsevier Ltd.
Divisions:	Care Policy and Evaluation Centre
Date Deposited:	14 Jan 2020 13:45
Last Modified:	17 Oct 2024 17:29
URI:	http://eprints.lse.ac.uk/id/eprint/103054

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