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The problem
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)
Who it was tested with: 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.
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"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." The study uses longitudinal data with baseline childhood measurements and follow-up assessment of outcomes, with comparison of effects across groups, meeting criteria for an experimental design with prospective measurement.
Small sample size of 88 adults from a single urban location limits generalizability. The interaction term for stress sensitization was not statistically significant, leaving the primary hypothesis partially unsupported. The study cannot determine causality or the specific mechanisms linking childhood adversity to adult outcomes.
Across countries and designs
1 study · 1 country
