Peer-reviewed article
Childhood adversity during the post‐apartheid transition and COVID ‐19 stress independently predict adult PTSD risk in urban S outh A frica: A biocultural analysis of the stress sensitization hypothesis
Andrew Wooyoung Kim, Rihlat Said Mohamed, Shane Anthony Norris, Sara Naomi Naicker, Linda Richter et al. ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This study followed 88 South African adults from Soweto to examine how childhood adversity during the post-apartheid era affected their mental health when facing COVID-19 stress. The researchers found that over half the adults showed moderate to severe PTSD symptoms, and both childhood adversity and COVID-19 stress independently predicted worse mental health outcomes. The findings highlight that children exposed to trauma may be more vulnerable to psychiatric problems from future stressors, and call for better mental health support in South Africa.
Key points
- 56% of adults exhibited moderate-to-severe PTSD symptoms
- Greater childhood adversity independently predicted worse adult PTSD symptoms
- Higher COVID-19 psychosocial stress independently predicted worse PTSD symptoms
- The study tested the stress sensitization hypothesis: whether childhood trauma increases vulnerability to future stressors
- Adults with greater childhood adversity showed a non-significant trend toward worse PTSD from COVID-19 stress
Limitations
The study is observational with a small sample size (88 adults) from one urban location in South Africa, so results may not generalize to other settings or populations. The cross-sectional nature of some measurements limits causal inference about the stress sensitization mechanism.
Abstract
OBJECTIVES: The COVID-19 pandemic in South Africa introduced new societal adversities and mental health threats in a country where one in three individuals are expected to develop a psychiatric condition sometime in their life. Scientists have suggested that psychosocial stress and trauma during childhood may increase one's vulnerability to the mental health consequences of future stressors-a process known as stress sensitization. This prospective analysis assessed whether childhood adversity experienced among South African children across the first 18 years of life, coinciding with the post-apartheid transition, exacerbates the mental health impacts of psychosocial stress experienced during the 2019 coronavirus (COVID-19) pandemic (ca. 2020-2021). MATERIALS AND METHODS: Data came from 88 adults who participated in a follow-up study of a longitudinal birth cohort study in Soweto, South Africa. Childhood adversity and COVID-19 psychosocial stress were assessed as primary predictors of adult PTSD risk, and an interaction term between childhood adversity and COVID-19 stress was calculated to evaluate the potential effect of stress sensitization. RESULTS: Fifty-six percent of adults exhibited moderate-to-severe PTSD symptoms. Greater childhood adversity and higher COVID-19 psychosocial stress independently predicted worse post-traumatic stress disorder symptoms in adults. Adults who reported greater childhood adversity exhibited non-significantly worse PTSD symptoms from COVID-19 psychosocial stress. DISCUSSION: These results highlight the deleterious mental health effects of both childhood trauma and COVID-19 psychosocial stress in our sample and emphasize the need for greater and more accessible mental health support as the pandemic progresses in South Africa.
Findings the Hub has extracted
Each claim below is labelled by its type of design and links back to this report.
- Intervention
- Assessment of whether childhood adversity during the post-apartheid transition sensitizes individuals to worse mental health outcomes during COVID-19 pandemic stress (stress sensitization hypothesis testing)
- Population
- 88 adults from Soweto, South Africa who were part of a longitudinal birth cohort study, assessed across their first 18 years of life during post-apartheid transition
Key finding
56% of adults exhibited moderate-to-severe PTSD symptoms
Kim et al. · Prof. Linda Richter (OpenAlex works) · 7 Jun 2023