2024
Post-traumatic stress disorder symptoms following exposure to acute psychological trauma in children aged 8–16 years in South Africa: protocol for the Sinethemba longitudinal study
Sharp T, Chideya Y, Giuliani A, Hunt X, Tomlinson M, Seedat S, Creswell C, Fearon P, Hamilton-Giachritsis C, Hiller R, Meiser-Stedman R, Du Toit S, Stewart J, Halligan S. Post-traumatic stress disorder symptoms following exposure to acute psychological trauma in children aged 8–16 years in South Africa: protocol for the Sinethemba longitudinal study. BMJ Open 2024, 14: e085129. PMID: 38991675, DOI: 10.1136/bmjopen-2024-085129.Peer-Reviewed Original ResearchConceptsMental health outcomesPost-traumatic stress disorderChildren aged 8Caregiver supportHealth outcomesAssociation of psychosocial factorsAdverse mental health outcomesAged 8Traumatic eventsChildren’s post-traumatic stress disorderDepartment of HealthMiddle-income countriesTrauma-related mental healthPsychological risk factorsHigh-income countriesStress disorder symptomsFollow-up assessmentPost-traumatic stress disorder symptomsCape TownMotor vehicle accidentsHealthcare clinicsPsychosocial factorsMental healthPsychological recoveryEthical approval
2020
PTSD symptoms and cortisol stress reactivity in adolescence: Findings from a high adversity cohort in South Africa
Zimmerman A, Halligan S, Skeen S, Morgan B, Fraser A, Fearon P, Tomlinson M. PTSD symptoms and cortisol stress reactivity in adolescence: Findings from a high adversity cohort in South Africa. Psychoneuroendocrinology 2020, 121: 104846. PMID: 32919210, DOI: 10.1016/j.psyneuen.2020.104846.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderCortisol stress reactivityTrier Social Stress TestPTSD symptomsTrauma exposureStress reactivityHPA axis stress reactivitySmall inverse associationHPA stress reactivitySex-specific associationsTotal cortisol outputElevated PTSD symptomsImpoverished South African communityMiddle-income countriesAdrenal axisInverse associationSocial Stress TestMiddle-income country contextCortisol responsePsychosocial stressCortisol outputCortisol increaseSalivary cortisolStress disorderSouth African community
2017
The role of parenting behaviors in childhood post-traumatic stress disorder: A meta-analytic review
Williamson V, Creswell C, Fearon P, Hiller R, Walker J, Halligan S. The role of parenting behaviors in childhood post-traumatic stress disorder: A meta-analytic review. Clinical Psychology Review 2017, 53: 1-13. PMID: 28137661, DOI: 10.1016/j.cpr.2017.01.005.Peer-Reviewed Original ResearchConceptsChildhood post-traumatic stress disorderPost-traumatic stress disorderParenting behaviorsPTSD symptomsStress disorderChild post-traumatic stress disorderNegative parenting behaviorsPositive parenting behaviorsMeta-analytic reviewPositive parentingQuestionnaire measuresTrauma variablesModerator analysesParentingLongitudinal studyMethodological factorsSymptom associationDisordersProvisional recommendationsBehaviorMost studiesWeak evidenceVarianceStyleAssociation
2016
Research Review: Changes in the prevalence and symptom severity of child post‐traumatic stress disorder in the year following trauma – a meta‐analytic study
Hiller R, Meiser‐Stedman R, Fearon P, Lobo S, McKinnon A, Fraser A, Halligan S. Research Review: Changes in the prevalence and symptom severity of child post‐traumatic stress disorder in the year following trauma – a meta‐analytic study. Journal Of Child Psychology And Psychiatry 2016, 57: 884-898. PMID: 27169987, PMCID: PMC4982080, DOI: 10.1111/jcpp.12566.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderMonths posttraumaAdolescent posttraumatic stress disorderSymptom severityPTSD prevalencePrevalence of PTSDStress disorderChild post-traumatic stress disorderPost-traumatic stress disorderProportion of boysTreatment trialsNatural courseAbsence of interventionPTSD screeningPrevalence reductionModerate declinePrevalence estimatesEarly interventionPeer-reviewed studiesSystematic reviewPosttrauma periodSymptom changePTSD diagnosisLongitudinal changesPosttrauma