Peace of mind: A quasi-experimental, mixed-method evaluation of a community-based mental health intervention for persons affected by Neglected Tropical Diseases

Maaike L Seekles, Motto Nganda, Jacob Kadima, Lucas Sempe, Joy Kim, Pierre Omumbu, Junior Kukola, Stephanie M Ngenyibungi, Florent Ngondu, Louis Sabuni and Laura Dean

PLOS Mental Health, 2025, vol. 2, issue 9, 1-16

Abstract: Evidence consistently shows high levels of mental distress amongst populations affected by skin NTDs. Self-help groups are thought to be a key intervention strategy to support affected persons. However, to date, self-help interventions have largely been concerned with physical improvements as opposed to psychological outcomes. This paper provides an evaluation of the impact of the ‘Peace of Mind’ intervention in Kasai Province, DRC. Peace of Mind was a community-based, peer-led mental health intervention, combining lay counselling, mutual support, self-care, and income generation activities within a self-help group model to address health, psychosocial and economic impacts of skin-NTDs. This mixed-methods study used a quasi-experimental difference-in-difference approach. A survey measured levels of depression, anxiety, and stigma before and after intervention. To facilitate data matching, machine learning was used to predict (based on age, sex, health zone and disability status) which participants in the baseline would have attended the self-help groups. In addition, qualitative and participatory methods including photovoice, in-depth interviews and key informant interviews were completed to elicit the experiences of group members and health staff. Our findings show that after 6 months of intervention this holistic approach was effective at reducing levels of depression (PHQ-9 score reduction ranging on average from -3.5 to -6.7 points, p

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmen00:0000423

DOI: 10.1371/journal.pmen.0000423

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