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postgraduate thesis: Early modifiable risk factors for childhood and adolescent mental health
Title | Early modifiable risk factors for childhood and adolescent mental health |
---|---|
Authors | |
Issue Date | 2015 |
Publisher | The University of Hong Kong (Pokfulam, Hong Kong) |
Citation | Leung, C.. (2015). Early modifiable risk factors for childhood and adolescent mental health. (Thesis). University of Hong Kong, Pokfulam, Hong Kong SAR. Retrieved from http://dx.doi.org/10.5353/th_b5558981 |
Abstract | Childhood and adolescent mental health is a major public health concern. Childhood behavioral problems and low self-esteem can predispose children to future depression. Mental health issues often emerge in adolescence making examination of potential early modifiable risk factors for these three mental health indicators crucial. Potential risk factors for mental health issues often reflect findings from Western settings where confounding by low socioeconomic position may occur, making it difficult to establish causation. Evidence from a setting with a different confounding structure, such as Hong Kong, is valuable in elucidating whether previous findings are contextually specific or biologically based.
This thesis utilized a large (n=8,327) population-representative Chinese birth cohort, Hong Kong’s “Children of 1997,” from a developed non-Western setting with a different confounding structure, to 1) examine how behavioral problems and self-esteem may identify children with a predisposition to depressive symptoms and 2) examine the associations of early modifiable risk factors, including migration status, secondhand smoke (SHS) exposure, mode of delivery and type of child care (informal care such as in-home employed help or grandparent care), with these three mental health indicators: behavioral problems, self-esteem and depressive symptoms.
This research study utilized parent-reported Rutter scores for behavioral and emotional problems at ~7 and ~11 years, self-reported Culture-Free Self-Esteem Inventories scores at ~11 years and the Patient Health Questionnaire-9 (PHQ-9) depressive symptom score at ~13 years to assess childhood and adolescent mental health. First, partitional clustering was used to generate homogeneous trajectories between ~7 and ~11 years for child behavior and changes in low self-esteem between ~10 and ~12 years; multivariable linear regression was then used to estimate their adjusted associations with subsequent PHQ-9 score. Second, multivariable linear regression was used to examine the adjusted associations of parental migration status, SHS exposure, mode of delivery and type of child care with the three mental health outcomes.
This researcher found that in a graded manner, Rutter score trajectories (stable low, declining and rising) and self-esteem changes (stable high, rising and declining) were associated with more depressive symptoms. Parental migration was associated with better behavior at ~7 and ~11 years, but prenatal SHS exposure was associated with more behavioral problems. Mode of delivery was not associated with the three mental health outcomes. Meanwhile, in-home employed help was only associated with lower self-esteem and more depressive symptoms, although care by grandparents was associated with fewer behavioral problems.
To conclude, in this population-representative Hong Kong birth cohort, sustained behavioral problems and low self-esteem were strongly associated with depressive symptoms, potentially highlighting the need for earlier identification of and intervention for mental health issues. Furthermore, parents and household members are targets for intervention since SHS exposure was found to be positively associated with child behavioral problems and in-home employed help was associated with low self-esteem and more depressive symptoms. Migrant parents and care by grandparents were associated with fewer behavioral problems, thus the mechanistic understanding of these associations could potentially inform interventions. Conversely, cesarean section did not appear to contribute to child mental health problems. |
Degree | Doctor of Philosophy |
Subject | Teenagers - Mental health Child mental health |
Dept/Program | Public Health |
Persistent Identifier | http://hdl.handle.net/10722/216296 |
HKU Library Item ID | b5558981 |
DC Field | Value | Language |
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dc.contributor.author | Leung, Cherry | - |
dc.date.accessioned | 2015-09-08T23:11:40Z | - |
dc.date.available | 2015-09-08T23:11:40Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Leung, C.. (2015). Early modifiable risk factors for childhood and adolescent mental health. (Thesis). University of Hong Kong, Pokfulam, Hong Kong SAR. Retrieved from http://dx.doi.org/10.5353/th_b5558981 | - |
dc.identifier.uri | http://hdl.handle.net/10722/216296 | - |
dc.description.abstract | Childhood and adolescent mental health is a major public health concern. Childhood behavioral problems and low self-esteem can predispose children to future depression. Mental health issues often emerge in adolescence making examination of potential early modifiable risk factors for these three mental health indicators crucial. Potential risk factors for mental health issues often reflect findings from Western settings where confounding by low socioeconomic position may occur, making it difficult to establish causation. Evidence from a setting with a different confounding structure, such as Hong Kong, is valuable in elucidating whether previous findings are contextually specific or biologically based. This thesis utilized a large (n=8,327) population-representative Chinese birth cohort, Hong Kong’s “Children of 1997,” from a developed non-Western setting with a different confounding structure, to 1) examine how behavioral problems and self-esteem may identify children with a predisposition to depressive symptoms and 2) examine the associations of early modifiable risk factors, including migration status, secondhand smoke (SHS) exposure, mode of delivery and type of child care (informal care such as in-home employed help or grandparent care), with these three mental health indicators: behavioral problems, self-esteem and depressive symptoms. This research study utilized parent-reported Rutter scores for behavioral and emotional problems at ~7 and ~11 years, self-reported Culture-Free Self-Esteem Inventories scores at ~11 years and the Patient Health Questionnaire-9 (PHQ-9) depressive symptom score at ~13 years to assess childhood and adolescent mental health. First, partitional clustering was used to generate homogeneous trajectories between ~7 and ~11 years for child behavior and changes in low self-esteem between ~10 and ~12 years; multivariable linear regression was then used to estimate their adjusted associations with subsequent PHQ-9 score. Second, multivariable linear regression was used to examine the adjusted associations of parental migration status, SHS exposure, mode of delivery and type of child care with the three mental health outcomes. This researcher found that in a graded manner, Rutter score trajectories (stable low, declining and rising) and self-esteem changes (stable high, rising and declining) were associated with more depressive symptoms. Parental migration was associated with better behavior at ~7 and ~11 years, but prenatal SHS exposure was associated with more behavioral problems. Mode of delivery was not associated with the three mental health outcomes. Meanwhile, in-home employed help was only associated with lower self-esteem and more depressive symptoms, although care by grandparents was associated with fewer behavioral problems. To conclude, in this population-representative Hong Kong birth cohort, sustained behavioral problems and low self-esteem were strongly associated with depressive symptoms, potentially highlighting the need for earlier identification of and intervention for mental health issues. Furthermore, parents and household members are targets for intervention since SHS exposure was found to be positively associated with child behavioral problems and in-home employed help was associated with low self-esteem and more depressive symptoms. Migrant parents and care by grandparents were associated with fewer behavioral problems, thus the mechanistic understanding of these associations could potentially inform interventions. Conversely, cesarean section did not appear to contribute to child mental health problems. | - |
dc.language | eng | - |
dc.publisher | The University of Hong Kong (Pokfulam, Hong Kong) | - |
dc.relation.ispartof | HKU Theses Online (HKUTO) | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.rights | The author retains all proprietary rights, (such as patent rights) and the right to use in future works. | - |
dc.subject.lcsh | Teenagers - Mental health | - |
dc.subject.lcsh | Child mental health | - |
dc.title | Early modifiable risk factors for childhood and adolescent mental health | - |
dc.type | PG_Thesis | - |
dc.identifier.hkul | b5558981 | - |
dc.description.thesisname | Doctor of Philosophy | - |
dc.description.thesislevel | Doctoral | - |
dc.description.thesisdiscipline | Public Health | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.5353/th_b5558981 | - |
dc.identifier.mmsid | 991010973419703414 | - |