Risk of childhood psychiatric disorders in children of refugee parents with post-traumatic stress disorder: a nationwide, register-based, cohort study

Författare
Maj Back Nielsen, Jessica Carlsson, Martin Køster Rimvall, Jørgen Holm Petersen, Marie Norredam
Titel
Risk of childhood psychiatric disorders in children of refugee parents with post-traumatic stress disorder: a nationwide, register-based, cohort study
Utgivningsår
2019
Tidskrift
Lancet Public Health
Volym
4
Häfte
7
Sidor
e353–59
Url
DOI:https://doi.org/10.1016/S2468-2667(19)30077-5
Sammanfattning

Background Children of refugees are often exposed to the consequences of parental post-traumatic stress disorder (PTSD), potentially leaving them vulnerable to intergenerational transmission of psychopathology. The present study aimed to determine whether parental PTSD is associated with childhood psychiatric morbidity among children of refugees.
Methods This study is a two-generation nationwide cohort study using the Danish Immigration Services database. We followed up children younger than 18 years with at least one refugee parent until psychiatric contact, end of the study, their 18th birthday, emigration, or death. We excluded children if their parents were diagnosed only with psychiatric diagnoses other than PTSD or if they had received a psychiatric contact before parental PTSD diagnosis.
Information on parental PTSD and offspring psychiatric morbidity was obtained from the Danish Psychiatric Central Research Register. We used Cox proportional hazards regression models to assess the risk of psychiatric contacts among children of refugees with PTSD compared with children of refugees with no psychiatric diagnosis.
Findings Between Jan 1, 1995, and Dec 31, 2015, 102010 refugees obtained residency permission in Denmark and 62 239 biological children of refugees were born in Denmark before Dec 31, 2015. 51793 were eligible and included in the study (median follow-up 7·15 years [IQR 3·37–11·78]); of these, 1307 (2·5%) children had a psychiatric contact. 7486 (14·5%) children of refugees were exposed to parental PTSD. Parental PTSD significantly increased the risk of
psychiatric contact in offspring (hazard ratio 1·49 [95% CI 1·17–1·89] for paternal PTSD, p=0·0011; 1·55 [1·20–2·01] for maternal PTSD, p=0·00084) after adjustment for sociodemographic variables.

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