Journal article
Cost-effectiveness of an online personalised parenting intervention to prevent affective disorders in high-risk adolescents compared to a standard educational package
- Abstract:
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Background
Adolescent depression is associated with substantial health and economic burden. Preventive interventions that strengthen parenting skills show promise in reducing depressive symptoms and improving adolescent well-being. However, evidence on the cost-effectiveness of scalable online parenting interventions remains limited.
Objectives
To evaluate the cost-effectiveness of an online personalised parenting (PP) programme – Partners in Parenting - designed to prevent affective disorders in high-risk adolescents , compared with a standard educational package.
Methods
This trial-based economic evaluation was conducted alongside a randomised controlled trial of 512 parent–adolescent dyads (256 per arm). Analyses adopted UK public sector and societal perspectives over 15 months. Costs (2022 –2023 GBP) were collected prospectively. Utilities from EQ-5D-Y and CHU9D were used to estimate quality -adjusted life -years (QALYs). The base case used bivariate regression of costs and QALYs with multiple imputation under intention-to-treat. Incremental cost-effectiveness ratios, net monetary benefits, and cost-effectiveness acceptability curves were estimated. Sensitivity analyses assessed robustness.
Results
In the adjusted multiply imputed base-case analysis, mean incremental public-sector costs were £639 (95% CI £272 to £988) and mean incremental QALYs were 0.013 (95% CI −0.021 to 0.042), corresponding to a 13 %-27% probability of cost-effectiveness at willingness -to -pay thresholds of £20,000-£30,000 per QALY. Complete-case analysis suggested lower costs and higher QALYs but with substantial uncertainty.
Conclusions
Over the 15-month trial horizon, the personalised parenting programme was associated with higher costs, a small and uncertain gain in QALYs, negative incremental net monetary benefit, and a low probability of being cost-effective at NICE-recommended willingness-to-pay thresholds.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
Actions
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- Files:
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(Preview, Accepted manuscript, pdf, 1.9MB, Terms of use)
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- Publisher copy:
- 10.1016/j.jad.2026.122477
Authors
+ National Institute for Health and Care Research
More from this funder
- Funder identifier:
- https://ror.org/0187kwz08
- Grant:
- NIHR202402
- Publisher:
- Elsevier
- Journal:
- Journal of Affective Disorders More from this journal
- Article number:
- 122477
- Publication date:
- 2026-09-07
- Acceptance date:
- 2026-09-05
- DOI:
- EISSN:
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1573-2517
- ISSN:
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0165-0327
- Language:
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English
- Keywords:
- Pubs id:
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2455166
- Local pid:
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pubs:2455166
- Deposit date:
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2026-09-08
- ARK identifier:
Terms of use
- Copyright holder:
- Elsevier B.V.
- Copyright date:
- 2026
- Rights statement:
- © 2026 Published by Elsevier B.V.
- Notes:
- The author accepted manuscript (AAM) of this paper has been made available under the University of Oxford's Open Access Publications Policy, and a CC BY public copyright licence has been applied.
- Licence:
- CC Attribution (CC BY)
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