Prevalence and determinants of anxiety, depression and comorbid anxiety–depression symptoms among adolescents in Ebola-affected zones

BACKGROUND: Ebola virus disease (EVD) has been shown to be associated with poor mental health in affected zones. However, no study has yet explored its impact on adolescents’ mental health. AIMS: This study aimed to assess the prevalence and risk factors associated with depression and anxiety symptoms among adolescents in EVD-affected areas in the Equateur Province of the Democratic Republic of the Congo during the COVID-19 pandemic. METHOD: A provincial sample of adolescents aged 12–17 years (M = 14.84, s.d. = 1.49) living in the 18 urban and rural areas affected by the 2018 EVD outbreak completed a two-wave longitudinal survey. Surveys assessed symptoms of depression and anxiety, exposure to Ebola, social support and sociodemographic information. RESULTS: A total of 490 participants completed the baseline and follow-up surveys, 50% of whom were female. Elevated and worsened depressive symptoms were observed among participants from the baseline (56.94%) to the follow-up (91.43%; z = −11.37, P < 0.001), whereas anxiety symptoms decreased from the baseline (36.33%) to follow-up (24.90%; z = 4.06, P < 0.001). The final generalised estimating equation model showed that anxiety symptoms decreased over time (B = −3.92, P < 0.001), while depression symptoms increased (B = 4.79, P < 0.001). Stigmatisation related to Ebola positively predicted anxiety (B = 5.41, P < 0.001) and depression symptoms (B = 0.4452, P = 0.009). Social support negatively predicted anxiety (B = −1.13, P = 0.004) and depression (B = −0.98, P < 0.001) symptoms but only moderated the association between stigmatisation and depression symptoms (B = −0.67, P < 0.001). CONCLUSIONS: Most adolescents living in EVD-affected areas experience mental health issues. Stigmatisation related to EVD and living in urban areas are the most consistent predictors of mental health problems. Nevertheless, social support remains a protective factor for depression and anxiety symptoms and a necessary resource for building resilience.