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A biopsychosocial approach to risk and resilience on behavior in children followed from birth to age twelve
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för neuro- och inflammationsvetenskap. Linköpings universitet, Medicinska fakulteten.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för neuro- och inflammationsvetenskap. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Närsjukvården i centrala Östergötland, Barn- och ungdomspsykiatriska kliniken.
Department of Neuroscience, Uppsala University, Uppsala, Sweden.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Barn- och kvinnocentrum, Kvinnokliniken i Linköping.
Vise andre og tillknytning
2016 (engelsk)Manuskript (preprint) (Annet vitenskapelig)
Abstract [en]

An increasing prevalence of mental health problems calls for more knowledge into factors associated with resilience in the context of child behavior. Biological factors are seldom considered in psychosocial models of resilience. The present study used multiple statistical methodologies to examine a biopsychosocial model of risk and resilience on behavior at preadolescence. Data from 889 children and their mothers were used. A cumulative adversity score was created by combining maternal symptoms of depression, psychosocial risk and children’s experiences of life events. The proposed resilience factors investigated were candidate genetic polymorphisms, child temperament and social functioning, and maternal sense of coherence. Results show that the l/l genotype of the serotonin transporter linked polymorphic region (5-HTTLPR) was associated with lower internalizing scores, especially for children exposed to low adversity. An easy temperament was associated with resilient outcomes for children exposed to high adversity. Child social functioning was found to be more of a general resource variable buffering risk in both high and low adversity groups. The results support a multiple level model of resilience indicating effects, though small, of both biological and psychosocial factors. The present findings call for both preventive actions and further studies on biopsychosocial models in resilience research.

sted, utgiver, år, opplag, sider
2016.
Emneord [en]
Child, genotype, longitudinal, mental health, resilience
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-124208OAI: oai:DiVA.org:liu-124208DiVA, id: diva2:896692
Tilgjengelig fra: 2016-01-22 Laget: 2016-01-22 Sist oppdatert: 2016-01-22bibliografisk kontrollert
Inngår i avhandling
1. A Biopsychosocial and Long Term Perspective on Child Behavioral Problems: Impact of Risk and Resilience
Åpne denne publikasjonen i ny fane eller vindu >>A Biopsychosocial and Long Term Perspective on Child Behavioral Problems: Impact of Risk and Resilience
2016 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Mental health has become a prominent issue in society. Yet, much remains unknown about the etiology of psychiatric disorders. The aim of the present thesis was to investigate the association between biological, psychological and social factors of risk and resilience and behavioral problems in a birth cohort of Swedish children. 1723 mothers and their children were followed from birth to the age of 12 as part of the South East Sweden Birth Cohort Study (the SESBiC study). Information was gathered through register data, standardized questionnaires and DNA samples.

In study I, stability of maternal symptoms of depression and the impact on child behavior at age 12 were investigated. The prevalence of depressive symptoms was found to be 12.0 % postpartum. Symptoms of postpartum depression significantly increased the risk for subsequent depressive symptoms 12 years later in women. Children whose mothers reported concurrent symptoms of depression and anxiety had an increased risk for both internalizing and externalizing problems at age 12, but no long term effect on child behavior was seen for postpartum depressive symptoms. The greatest risk was seen for children whose mothers reported symptoms of depression on both occasions. In study II, the impact of gene-environment interaction of 5-HTTLPR and BDNF Val66Met and experience of life events together with symptoms of maternal depression and anxiety on child behavior at age 12 was studied. A main effect of 5-HTTLPR was noticed, but no geneenvironment effects were shown. Similarly to study I, concurrent symptoms of maternal depression and anxiety were an important predictor of child behavioral problems. A high degree of psychosocial stress around childbirth was found to have long lasting detrimental effects on child behavior, increasing the risk for internalizing problems at age 12. Study III investigated the impact of geneenvironment interactions of 5-HTTLPR and BDNF Val66Met and life events together with symptoms of maternal depression and birth characteristics on behavioral problems at age 3. Symptoms of postpartum depression were found to predict internalizing as well as externalizing problems in children three years later. Child experience of life events was a stable predictor of behavioral problems across the scales similar to sociodemographic factors such as parental immigration status and unemployment. No gene-environment interaction effects of 5-HTTLPR or BDNF Val66Met were shown. Study IV used the risk factors identified in studies I-III to investigate factors of resilience to behavioral problems at age 12. The l/l genotype of 5-HTTLPR was associated with a lower risk for behavioral problems at age 12, especially for children facing low adversity. Good social functioning was found to be a general resource factor, independent of the level of risk, while an easy temperament was associated with resilience for children with a high degree of adversity. However, effect sizes were small.

In summary, the results from the present thesis emphasize the importance of maternal mental health and sociodemographic factors for child mental health at ages 3 and 12, which must be taken into account in clinical settings. Moreover, it adds to the null-findings of the gene-environment effect of 5-HTTLPR and BDNF Val66Met on behavioral problems in children, but indicates a main effect of 5-HTTLPR on internalizing symptoms at age 12.

sted, utgiver, år, opplag, sider
Linköping: Linköping University Electronic Press, 2016. s. 93
Serie
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1500
Emneord
5-HTTLPR, BDNF Val66Met, maternal mental health, adversities, resilience, children
HSV kategori
Identifikatorer
urn:nbn:se:liu:diva-124209 (URN)10.3384/diss.diva-124209 (DOI)978-91-7685-868-4 (ISBN)
Disputas
2016-02-19, Berzeliussalen, Campus US, Linköping, 09:00 (svensk)
Opponent
Veileder
Tilgjengelig fra: 2016-01-22 Laget: 2016-01-22 Sist oppdatert: 2018-09-17bibliografisk kontrollert

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