Preventing Late-Life Depression: Lessons in Intervention Development From Goa, India

Area of Science:

• Gerontology
• Psychiatry
• Public Health

Background:

• Depression is a significant issue in older adults, particularly in low-resource settings.
• Effective, scalable interventions are needed for depression prevention in aging populations.

Purpose of the Study:

• To develop and evaluate a novel intervention strategy for the indicated prevention of depression in older adults in Goa, India.
• To assess the feasibility, acceptability, and preliminary benefits of the DIL intervention.

Main Methods:

• The DIL intervention integrates problem-solving therapy, brief behavioral treatment for insomnia, psychoeducation on co-occurring medical conditions, and resource navigation.
• Delivered by lay health counselors, the intervention targets subsyndromal depressive symptoms in older adults.
• A preliminary open-trial case series of 21 participants was conducted, followed by the design of a larger confirmatory trial enrolling 181 participants.

Main Results:

• The preliminary case series demonstrated the feasibility and acceptability of the DIL intervention.
• Participants in the case series showed benefits from the intervention.
• A larger confirmatory trial has been initiated to further validate the intervention's efficacy.

Conclusions:

• The DIL intervention offers a novel, lay health counselor-delivered approach to depression prevention in older adults in a low-resource country.
• Findings suggest potential implications for depression prevention strategies in similar settings globally.
• The study contributes to understanding the staging of depressive illness in later life.