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Addressing Complex Depression and Anxiety in Low-Income African Countries

People are nearly three times more likely to suffer from long-term depression if they also have high levels of anxiety, according to a new U.K.-led study of individuals with depression in Zimbabwe.

The findings, published in The Lancet’s EClinicalMedicine journal, are the first of their kind in a low-income country and, according to the researchers, interventions aimed at tackling depression in these countries must consider the implications that this complex combination of anxiety and depression has for the effectiveness of treatments.

Depression is common worldwide with 4.4% of people estimated to be affected at any given point in time. Approximately 5.9% of women in African countries struggle with depression.

“In parts of many African countries, people face situations likely to provoke severe anxiety and fear more frequently than most people living in high income countries,” said lead author, Professor Melanie Abas from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King’s College London and Honorary Consultant Psychiatrist at South London and Maudsley NHS Foundation Trust.

“These situations include poverty, living with serious infectious diseases like HIV, malaria, cholera and now, potentially COVID-19, sudden death of family members, and sexual and domestic abuse. As such, anxiety levels are already likely to be high for many people living in low to middle income countries, but anxiety and depression are often conceptualised together as one syndrome.”

Many low-to-middle income countries (LMICs), ranging from small low-income countries like Zimbabwe and Malawi to large middle-income countries like India, South Africa and China are trying to develop programs for mental health with limited resources.

There is a growing interest in low-cost programs, which can be delivered on benches in the community by non-specialist workers who provide basic education and simple talking therapies. However, this approach could mean those with more complex combinations of mental health problems may not receive the support they need.

For the study, the research team analyzed measures of depression and anxiety in 329 people in Zimbabwe who had been assessed as having probable major depression and were experiencing significant low moods.

Participants were enrolled in a randomized clinical trial of a therapy for depression called the Friendship Bench, which is delivered by a grandmother lay worker on a wooden bench and aims to train and empower people to solve problems that are negatively impacting their mood.

As such, some received the Friendship Bench therapy and some received simple education about their symptoms and advice on psychosocial issues which might be causing them. The results of the trial have already been published in JAMA.

The goal of this study was to analyze the data to understand how many people suffer both anxiety and depression symptoms and the links this has to long-term depression.

The findings show that over three quarters of participants suffered from anxiety alongside major depression, where anxiety consists of feelings of nervousness, worry, restlessness, and fear that continues for over two weeks.

Over a third of the people in the study were still suffering depression at six months. After taking into account other influencing factors such as gender, age and socioeconomic status, the study found that those with anxiety were 2.8 times more likely to still be suffering depression at six months.

The analysis suggests that persistent depression is more likely in those who also experience symptoms of anxiety and that, although the Friendship Bench is successful at helping most of these people, some who use it will still have long-term depression.

“These findings demonstrate the need to integrate anxiety screening in our work with grandmothers on the Friendship Bench,” said Dr. Dixon Chibanda, Associate Professor at the London School of Hygiene & Tropical Medicine, Director of the Friendship Bench and last author on the paper.

“By understanding who is more likely to have longer lasting depression and need more care, we can ensure they get the support and mental health care they need.”

“Addressing mental health is even more important given the coronavirus pandemic. I hope our further support of online Friendship Bench sessions and extra COVID-19-related material will support people with anxiety and depression during these tough times.”

The team highlights that many of the psychological treatments being advocated for use in LMIC countries such as problem-solving therapy and interpersonal therapy may improve common mental disorders but do not specifically target fear, avoidance, excessive worry and the re-living of traumatic experiences.

They suggest that screening for anxiety should be made available in low-income countries and that treatments need to include education about coping with anxiety and therapies specifically targeted at anxiety, such as relaxation and therapy that addresses thoughts and behaviors.

“More research is needed to understand typical experiences of anxiety in LMICs and to adapt therapies for anxiety. This must be done in partnership with local service providers. In the same way that we have adapted evidence-based treatments for depression for use in low income settings, we also need to forge ahead to develop and test culturally adapted therapies for anxiety,” said Abas.

Source: King’s College London

Addressing Complex Depression and Anxiety in Low-Income African Countries

Traci Pedersen

Traci Pedersen is a professional writer with over a decade of experience. Her work consists of writing for both print and online publishers in a variety of genres including science chapter books, college and career articles, and elementary school curriculum.

APA Reference
Pedersen, T. (2020). Addressing Complex Depression and Anxiety in Low-Income African Countries. Psych Central. Retrieved on November 25, 2020, from https://psychcentral.com/news/2020/05/29/addressing-complex-depression-and-anxiety-in-low-income-african-countries/156876.html
Scientifically Reviewed
Last updated: 29 May 2020 (Originally: 29 May 2020)
Last reviewed: By a member of our scientific advisory board on 29 May 2020
Published on Psych Central.com. All rights reserved.