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Articles

Using discrete choice experiment to investigate patients’ and parents’ preferences for initiating ADHD medication

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Pages 373-385 | Received 16 Jan 2021, Accepted 26 Aug 2021, Published online: 10 Oct 2021
 

Abstract

Background

The decision to initiate medication is complex and is influenced by a variety of factors. There is limited information on the relative importance of factors that influence the initiation of ADHD medication.

Aims

To investigate the factors, and their relative importance, that influence the decision to initiate medication in adults, and parents of children, with ADHD.

Methods

A discrete choice experiment was conducted using eight choice tasks made up of five attributes that described the outcomes of initiating medication. A mixed multinomial logit model was used to estimate preferences for medication.

Results

Respondents’ overall preferences for initiating medication were negative (Mean (β)= −0.72705, p < 0.1), however, significant heterogeneity was noted in preferences (SD: 0.93604, p < 0.001). Side-effects were the most important factor for both adults (Relative importance (RI) = 40.39%) and parents (RI = 41.99%). Improvement in education had a greater weighting in adults’ decision-making compared to parents (RI = 36.93% vs 30.47%) while improvement in aggressive (RI = 14.38% vs 11.84%) and social behaviour (RI = 12.59% vs 10.37%) was more important to parents.

Conclusions

Important differences in preferences of patients and parents were identified, highlighting that the decision to initiate medication is influenced differently in different individuals and groups.

Acknowledgements

The authors thank the survey respondents for their participation in this study.

Disclosure statement

There are no relevant financial or non-financial competing interests to report.

Additional information

Funding

Authors did not receive any funding for this study.

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