Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial

<p><strong>Background:</strong> Ethnic minorities often face ethnocultural barriers in accessing mental health treatments. The ROSHNI-2 trial compared culturally adapted cognitive behavioural therapy (Positive Health Programme, PHP) with treatment as usual (TAU) for postnatal depre...

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Main Authors: Ullah, A, Lunat, F, Brugha, T, Pierce, M, Morriss, R, Sharma, D, Rahman, A, Bhui, K, Bower, P, Husain, N
Format: Journal article
Language:English
Published: Elsevier 2025
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author Ullah, A
Lunat, F
Brugha, T
Pierce, M
Morriss, R
Sharma, D
Rahman, A
Bhui, K
Bower, P
Husain, N
author_facet Ullah, A
Lunat, F
Brugha, T
Pierce, M
Morriss, R
Sharma, D
Rahman, A
Bhui, K
Bower, P
Husain, N
author_sort Ullah, A
collection OXFORD
description <p><strong>Background:</strong> Ethnic minorities often face ethnocultural barriers in accessing mental health treatments. The ROSHNI-2 trial compared culturally adapted cognitive behavioural therapy (Positive Health Programme, PHP) with treatment as usual (TAU) for postnatal depression in South Asian women. This study presents a health economic evaluation of the PHP intervention.</p> <br> <p><strong>Methods:</strong> A total of 732 British South Asian women with depression were randomised (1:1), stratified by centre, into PHP plus TAU and TAU-only groups. The EuroQol 5-dimensional instrument was used for cost-utility analysis, while recovery from depression using the Hamilton Rating Scale for Depression was used for cost-effectiveness analysis.</p> <br> <p><strong>Outcomes:</strong> The base-case intention-to-treat analysis showed PHP significantly increased costs (£912, 95% CI £420–£1405) and quality-adjusted life years (QALYs) (0.037, CI 0.006–0.068), with an incremental cost-effectiveness ratio (ICER) of £24,739 (CI £15,539–£39,692). Based on NICE's maximum willingness-to-pay (WTP) threshold of £30,000 per QALY, the likelihood of PHP being cost-effective was 63% from a health and social care perspective. Cost per remission from depression at the 4-month follow-up was £5,354 (CI £3,878–£7,189). In a stratified analysis of 34 participants attending online sessions during the pandemic, incremental QALY effects were 0.134 (CI 0.073–0.194), resulting in costs of £397 (CI £-2,492–£3,339) per additional QALY gained.</p> <br> <p><strong>Interpretation:</strong> The cost of PHP intervention for postpartum mothers falls within NICE's range of £20,000–£30,000 per QALY, excluding benefits to the child or potential gains like reduced lost productivity from early remission. With each episode of perinatal depression in the UK estimated to have a lifetime cost of £75,000 for the mother and child, and considering the cultural and linguistic needs of ethnic minorities, PHP may be a cost-effective intervention for postnatal depression in minority women. Online PHP delivery has shown promising clinical and cost-effective results for this group but requires further large-scale study.</p> <br> <p><strong>Funding:</strong> UK National Institute for Health and Care Research – 14/68/08.</p> <br> <p><strong>Trial number:</strong> ISRCTN10697380.</p>
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spelling oxford-uuid:a85c025c-ef31-4dd8-973a-89817e65bfb12025-02-07T13:26:29ZCost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trialJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:a85c025c-ef31-4dd8-973a-89817e65bfb1EnglishSymplectic ElementsElsevier2025Ullah, ALunat, FBrugha, TPierce, MMorriss, RSharma, DRahman, ABhui, KBower, PHusain, N<p><strong>Background:</strong> Ethnic minorities often face ethnocultural barriers in accessing mental health treatments. The ROSHNI-2 trial compared culturally adapted cognitive behavioural therapy (Positive Health Programme, PHP) with treatment as usual (TAU) for postnatal depression in South Asian women. This study presents a health economic evaluation of the PHP intervention.</p> <br> <p><strong>Methods:</strong> A total of 732 British South Asian women with depression were randomised (1:1), stratified by centre, into PHP plus TAU and TAU-only groups. The EuroQol 5-dimensional instrument was used for cost-utility analysis, while recovery from depression using the Hamilton Rating Scale for Depression was used for cost-effectiveness analysis.</p> <br> <p><strong>Outcomes:</strong> The base-case intention-to-treat analysis showed PHP significantly increased costs (£912, 95% CI £420–£1405) and quality-adjusted life years (QALYs) (0.037, CI 0.006–0.068), with an incremental cost-effectiveness ratio (ICER) of £24,739 (CI £15,539–£39,692). Based on NICE's maximum willingness-to-pay (WTP) threshold of £30,000 per QALY, the likelihood of PHP being cost-effective was 63% from a health and social care perspective. Cost per remission from depression at the 4-month follow-up was £5,354 (CI £3,878–£7,189). In a stratified analysis of 34 participants attending online sessions during the pandemic, incremental QALY effects were 0.134 (CI 0.073–0.194), resulting in costs of £397 (CI £-2,492–£3,339) per additional QALY gained.</p> <br> <p><strong>Interpretation:</strong> The cost of PHP intervention for postpartum mothers falls within NICE's range of £20,000–£30,000 per QALY, excluding benefits to the child or potential gains like reduced lost productivity from early remission. With each episode of perinatal depression in the UK estimated to have a lifetime cost of £75,000 for the mother and child, and considering the cultural and linguistic needs of ethnic minorities, PHP may be a cost-effective intervention for postnatal depression in minority women. Online PHP delivery has shown promising clinical and cost-effective results for this group but requires further large-scale study.</p> <br> <p><strong>Funding:</strong> UK National Institute for Health and Care Research – 14/68/08.</p> <br> <p><strong>Trial number:</strong> ISRCTN10697380.</p>
spellingShingle Ullah, A
Lunat, F
Brugha, T
Pierce, M
Morriss, R
Sharma, D
Rahman, A
Bhui, K
Bower, P
Husain, N
Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial
title Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial
title_full Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial
title_fullStr Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial
title_full_unstemmed Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial
title_short Cost-effectiveness of a group psychological intervention for postnatal depression in British South Asian mothers: an economic evaluation from the ROSHNI-2 trial
title_sort cost effectiveness of a group psychological intervention for postnatal depression in british south asian mothers an economic evaluation from the roshni 2 trial
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