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1.
Paediatr Perinat Epidemiol ; 36(2): 230-242, 2022 03.
Article in English | MEDLINE | ID: mdl-35107846

ABSTRACT

BACKGROUND: Childbirth presents an optimal time for identifying high-risk families to commence intervention that could avert various childhood health and social adversities. OBJECTIVE: We sought to establish the minimum set of exposures required to accurately predict a range of adverse childhood outcomes up to the age of 13 years, from a set of 14 individual and familial risk exposures evident at the time of birth. METHODS: Participants were 72,059 Australian children and their parents drawn from a multi-register population cohort study (data spanning 1994-2018). Risk exposures included male sex, young mother (aged ≤21 years), no (or late first; >16 weeks) antenatal visit, maternal smoking during pregnancy, small for gestational age, preterm birth, pregnancy complications (any of hypertension, diabetes mellitus, gestational diabetes or pre-eclampsia), >2 previous pregnancies of ≥20 weeks, socio-economic disadvantage, prenatal child protection notification, and maternal or paternal mental disorder or criminal offending history. Individual outcomes included early childhood developmental vulnerability (age 5 years), sustained educational underachievement (age 8 and 10 years), mental disorder diagnoses, substantiated childhood maltreatment, and contact with the police as a victim or person-of-interest up to age 13-14 years. RESULTS: Risk exposures at birth predicted individual childhood outcomes with fair to excellent accuracy: the area under the receiver operating characteristic curves ranged between 0.60 (95% CI 0.58, 0.62) for childhood mental disorder and 0.83 (95% CI 0.82, 0.85) for substantiated child maltreatment. The presence of five or more exposures characterised 12-25% of children with one or more adverse outcomes and showed high predictive certainty for models predicting multiple outcomes, which were apparent in 9% of the population. CONCLUSIONS: Up to a quarter of the neonatal population at risk of multiple adverse outcomes can be detected at birth, with implications for population health screening. However, cautious implementation of these models is warranted, given their relatively low positive predictive values.


Subject(s)
Pre-Eclampsia , Premature Birth , Adolescent , Adult , Australia/epidemiology , Child , Child, Preschool , Cohort Studies , Female , Humans , Infant, Newborn , Male , Parturition , Pre-Eclampsia/prevention & control , Pregnancy , Premature Birth/epidemiology , Young Adult
2.
Brain Behav Immun ; 97: 376-382, 2021 10.
Article in English | MEDLINE | ID: mdl-34390804

ABSTRACT

Early life exposure to infectious diseases confers risk for adult psychiatric disorders but relatively few human population studies have examined associations with childhood mental disorder. Here we examined the effects of exposure to maternal infection during pregnancy, and child infectious diseases in early childhood (birth to age 4 years), in relation to first mental disorder diagnosis (age 5-13 years). The study sample comprised 71,841 children represented in a population cohort of children in New South Wales, Australia, followed from birth to early adolescence via linkage of administrative registers. Childhood exposure to infectious disease was determined during the prenatal period (i.e., maternal infection during gestation), and in early childhood (between birth and age 4 years) using the NSW Ministry of Health Admitted Patients data collection. Days to first diagnosis with a mental disorder was determined from recorded diagnoses between age 5-13 years in the NSW Ministry of Health's Admitted Patients, Emergency Department and Mental Health Ambulatory data collections. While crude hazard ratios for both prenatal infection and childhood infection exposures indicated significantly earlier diagnosis with mental disorders associated with both of these risk factors, only childhood infection exposure was associated with higher adjusted hazard ratios (aHR) for any diagnoses (aHR = 1.21, 95% CI = 1.11-1.32), externalising disorders (aHR = 1.45, 95% CI 1.18-1.79) and developmental disorders (aHR = 1.82, 95% CI 1.49-2.22) when the effects of maternal and early childhood (age < 5 years) mental disorders were taken into account. Exposure to infectious diseases during early childhood, but not prenatal infection exposure, appears to be associated with earlier diagnosis of mental disorders in childhood.


Subject(s)
Mental Disorders , Neurodevelopmental Disorders , Prenatal Exposure Delayed Effects , Adolescent , Adult , Australia , Child , Child, Preschool , Female , Humans , Incidence , Mental Disorders/epidemiology , Pregnancy , Prenatal Exposure Delayed Effects/epidemiology
3.
Child Abuse Negl ; 101: 104326, 2020 03.
Article in English | MEDLINE | ID: mdl-32014797

ABSTRACT

BACKGROUND: Maltreated children are at risk of poor educational outcomes, but also experience greater individual, family, and neighbourhood adversities that may obscure an understanding of relationships between child protection involvement and educational attainment. OBJECTIVE: To examine associations between child protection involvement and 3rd- and 5th-grade reading and numeracy attainment, while controlling multiple other adversities. PARTICIPANTS AND SETTING: Participants were 56,860 Australian children and their parents from the New South Wales Child Development Study with linked multi-agency records. METHODS: Multinomial logistic regressions examined associations between level of child protection involvement (Out-Of-Home Care [OOHC] placement; substantiated Risk Of Significant Harm [ROSH]; unsubstantiated ROSH; non-ROSH; and no child protection report) and standardised tests of 3rd- and 5th-grade reading and numeracy. Fully adjusted models controlled demographic, pregnancy, birth, and parental factors, and early (kindergarten) developmental vulnerabilities on literacy and numeracy, and other developmental domains (social, emotional, physical, communication). RESULTS: All children with child protection reports were more likely to attain below average, and less likely to attain above average, 3rd- and 5th-grade reading and numeracy, including children with reports below the ROSH threshold. Children with substantiated ROSH reports who were not removed into care demonstrated the worst educational attainment, with some evidence of protective effects for children in OOHC. CONCLUSIONS: A cross-agency response to supporting educational attainment for all children reported to child protection services is required, including targeted services for children in OOHC or with substantiated ROSH reports, and referral of vulnerable families (unsubstantiated and non-ROSH cases) to secondary service organisations (intermediate intervention).


Subject(s)
Academic Success , Child Protective Services/education , Minors/education , Child , Female , Humans , Information Storage and Retrieval , Male , Mathematics , New South Wales , Reading , Schools
4.
Child Abuse Negl ; 99: 104280, 2020 01.
Article in English | MEDLINE | ID: mdl-31783310

ABSTRACT

BACKGROUND: Longitudinal data on health costs associated with physical and mental conditions are not available for children reported to child protection services. OBJECTIVE: To estimate the costs of hospitalization for physical and mental health conditions by child protection status, including out-of-home-care (OOHC) placement, from birth until 13-years, and to assess the excess costs associated with child protection contact over this period. PARTICIPANTS AND SETTING: Australian population cohort of 79,285 children in a multi-agency linkage study. METHODS: Costs of hospitalization were estimated from birth (if available) using Round 17, National Hospital Cost Data Collection (2012-13; deflated to 2015-16 AUD). Records of the state child protection authority determined contact status. Data were reported separately for children in OOHC. Hospital separations were classified as mental disorder-related if the primary diagnosis was recorded in ICD-10 Chapter V (F00-F99). RESULTS: Hospital separations were more common in children with child protection contact. Physical health care costs per child decreased with age for all children, but were significantly higher for children with contact. Mental health costs per child were always significantly higher for children with contact, with marked increases at 3 ≤ 4 years and 8 ≤ 9 years. Point estimates of annual costs per child were always highest for children with an OOHC placement. The net present value of the excess costs was $3,224 per child until 13- years, discounted at 5 %. CONCLUSIONS: Children in contact with child protection services show higher rates and costs for physical and mental health hospitalizations in each of their first 13 years of life.


Subject(s)
Child Protective Services/economics , Health Care Costs , Hospitalization/economics , Hospitalization/statistics & numerical data , Adolescent , Australia/epidemiology , Child , Child, Preschool , Female , Humans , Infant , Longitudinal Studies , Male
5.
Med J Aust ; 212(1): 22-28, 2020 01.
Article in English | MEDLINE | ID: mdl-31680266

ABSTRACT

OBJECTIVES: To examine associations between being the subject of child protection reports in early childhood and diagnoses of mental disorders during middle childhood, by level of service response. DESIGN, SETTING, PARTICIPANTS: Retrospective analysis of linked New South Wales administrative data, 2001-2016, for a population cohort of children (mean age in 2016, 13.2 years; SD, 0.37 years) enrolled in the longitudinal NSW Child Development Study (NSW-CDS), wave 2 linkage. MAIN OUTCOME MEASURES: Associations between being the subject of a child protection report (any, and by level of child protection response) during early childhood (birth to 6 years of age) and diagnoses of mental disorders during middle childhood (6-14 years). RESULTS: 13 796 of 74 462 children in the NSW-CDS (18.5%) had been the subjects of reports to child protection services during early childhood: 1148 children had been placed in out-of-home care at least once, and 1680 had been the subjects of substantiated risk-of-significant-harm reports but were not placed in care, while 9161 had non-substantiated reports, and 1807 had reports of facts that did not reach the threshold for significant harm. After adjusting for sex, socio-economic disadvantage, perinatal complications, and parental mental illness, early childhood contact with protection services was associated with increased frequency of being diagnosed with a mental disorder during middle childhood (adjusted odds ratio [aOR], 2.72; 95% CI, 2.51-2.95). The frequency was highest for children who had been placed in out-of-home care (aOR, 5.25; 95% CI, 4.46-6.18). CONCLUSION: Childhood-onset mental disorders are more frequently diagnosed in children who come to the attention of child protection services during early childhood, particularly in children placed in out-of-home care.


Subject(s)
Child Abuse/statistics & numerical data , Child Protective Services/statistics & numerical data , Mental Disorders/epidemiology , Parents/psychology , Adolescent , Child , Child Abuse/psychology , Female , Humans , Logistic Models , Male , New South Wales/epidemiology , Retrospective Studies , Socioeconomic Factors
6.
J Pediatr Psychol ; 44(9): 1083-1096, 2019 10 01.
Article in English | MEDLINE | ID: mdl-31241146

ABSTRACT

OBJECTIVE: This study examined associations between chronic physical health conditions (identified from hospital records) that are subject to school health care plans, and children's emotional, behavioral, and social functioning during early (∼5 years of age) and middle childhood (∼11 years). METHODS: Participants were 21,304 Australian children from a representative longitudinal population cohort derived by multi-agency record linkage. Hospital presentations (admitted patients and emergency department) identified children with asthma (n = 1,573), allergies and anaphylaxis (n = 738), type 1 diabetes (n = 59), epilepsy (n = 87), and any of these conditions (n = 2,275), relative to 19,029 children without these presentations. Logistic regression analyses determined associations between these exposures and (i) emotional, behavioral, social, and overall vulnerabilities reported by teachers (early childhood) and children (middle childhood), and (ii) self-reported lack of sources of support (middle childhood). RESULTS: Prevalence of any condition in hospital records was 7.5% by early childhood, and 10.7% by middle childhood. Relative to peers without these presentations, small increases in risk of overall problems, and selected emotional, behavioral, and social problems, were apparent for children with any condition, and asthma specifically, in early and middle childhood. Large and pervasive effects were apparent for epilepsy, limited small effects in middle childhood only for allergies and anaphylaxis, and no increases in risk associated with type 1 diabetes examined in middle childhood. No condition was associated with increased risk of lacking supports. CONCLUSIONS: Children with hospital records of chronic conditions, particularly epilepsy and asthma, might benefit from school-based care plans that integrate their physical and mental health support needs.


Subject(s)
Asthma/epidemiology , Diabetes Mellitus, Type 1/epidemiology , Epilepsy/epidemiology , Hypersensitivity/epidemiology , Mental Health , Social Support , Adolescent , Asthma/psychology , Australia/epidemiology , Child , Child, Preschool , Chronic Disease/epidemiology , Chronic Disease/psychology , Cohort Studies , Diabetes Mellitus, Type 1/psychology , Emotions , Epilepsy/psychology , Female , Health Status , Health Surveys , Humans , Hypersensitivity/psychology , Infant , Male , Parenting/psychology , Prevalence , Schools , Self Report
7.
Child Abuse Negl ; 93: 91-102, 2019 07.
Article in English | MEDLINE | ID: mdl-31075574

ABSTRACT

BACKGROUND: Cross-agency administrative data can improve cost-effective triage systems for child protection and other human service delivery. OBJECTIVE: To determine the minimum set of cross-agency indicators that could accurately classify placement in out-of-home-care (OOHC) before age 13-14 years. PARTICIPANTS AND SETTING: Participants were 72,079 Australian children (mean age = 13.16 years; SD = 0.37; 51.4% male) and their parents, for whom linked administrative records spanning the years 1994-2016 were available for analysis within the 'New South Wales Child Development Study'. METHODS: First, a series of logistic regression analyses were conducted to examine associations between cross-agency (health, justice, education) risk indicators and membership of the sub-cohort of 1239 children who had an OOHC placement prior to age 13-14 years, relative to (1) the sub-cohort of 55,473 children who had no previous contact with child protection services, and (2) the sub-cohort of 15,367 children who had been reported to child protection services but had no record of OOHC placement. We then explored the classification characteristics associated with a smaller combination of risk factors, and the utility of specific familial risk factors, for classifying membership of the OOHC subgroup. RESULTS: A combination of six risk indicators evident before OOHC placement can classify children placed in OOHC with approximately 95% accuracy, and the presence of at least four of these risk indicators provides excellent specificity (99.6%). CONCLUSIONS: A combination of risk factors observable in administrative datasets held by multiple government agencies may be used to target support services to prevent entry into OOHC for children from vulnerable families.


Subject(s)
Child Protective Services , Foster Home Care , Adolescent , Female , Humans , Logistic Models , Male , New South Wales , Parents , Risk Factors
8.
Child Abuse Negl ; 93: 1-12, 2019 07.
Article in English | MEDLINE | ID: mdl-31026680

ABSTRACT

BACKGROUND: Childhood maltreatment is associated with early childhood developmental vulnerabilities. However, the extent to which higher levels of child protection responses confer benefit to developmental competencies, and the impact of earlier timing of first reports in relation to early childhood vulnerability remains unclear. OBJECTIVE: We examined associations between early developmental vulnerabilities and (1) the highest level of child protection response (where OOHC was deemed the highest response among other types of reports/responses), and (2) the developmental timing of the first child protection report. PARTICIPANTS AND SETTING: Participants included 67,027 children from the New South Wales Child Development Study, of whom 10,944 were reported to child protection services up to age 5 years. METHODS: A series of Multinomial Logistic Regressions were conducted to examine focal associations. RESULTS: Children with substantiated maltreatment reports showed the strongest odds of vulnerability on three or more developmental domains (adjusted OR = 4.90; 95% CI = 4.13-5.80); children placed in OOHC showed slightly better physical, cognitive and communication competencies (adjusted ORs from 1.83 to 2.65) than those with substantiated reports that did not result in OOHC placements (adjusted OR from 2.77 to 3.67), when each group was compared to children with no child protection reports. Children with first maltreatment reports occurring in the first 18 months of life showed the strongest likelihood of developmental vulnerabilities on three or more developmental domains (adjusted OR = 3.56; 95% CI = 3.15-4.01) relative to children with no child protection reports. CONCLUSION: Earlier reports of maltreatment may signal the need for targeted remediation of early developmental competencies to mitigate early developmental difficulties.


Subject(s)
Child Abuse/psychology , Child Development , Child Protective Services , Child Protective Services/statistics & numerical data , Child, Preschool , Cohort Studies , Female , Humans , Infant , Logistic Models , Male , New South Wales , Time Factors
9.
Aust N Z J Psychiatry ; 53(4): 304-315, 2019 04.
Article in English | MEDLINE | ID: mdl-30501395

ABSTRACT

OBJECTIVE: We examined associations between developmental vulnerability profiles determined at the age of 5 years and subsequent childhood mental illness between ages 6 and 13 years in an Australian population cohort. METHODS: Intergenerational records from New South Wales (NSW) Government Departments of Health and Child Protection spanning pre-birth to 13 years of age were linked with the 2009 Australian Early Development Census records for 86,668 children. Mental illness indices for children were extracted from health records between 2009 and 2016 (child's age of 6-13 years). Associations between mental disorder diagnoses and membership of early childhood risk groups, including those with established 'special needs' (3777, 4.3%) at school entry, or putative risk classes delineated via latent class analysis of Australian Early Development Census subdomains - referred to as 'pervasive risk' ( N = 3479; 4.0%), 'misconduct risk' ( N = 5773; 6.7%) or 'mild generalised risk' ( N = 9542; 11%) - were estimated using multinomial logistic regression, relative to children showing 'no risk' ( N = 64,097; 74%). Poisson regression models estimated the relative risk of a greater number of days recorded with mental health service contacts among children in each Australian Early Development Census risk group. Adjusted models included child's sex, socioeconomic disadvantage, child protection contacts and parental mental illness as covariates. RESULTS: The crude odds of any mental disorder among children aged 6-13 years was increased approximately threefold in children showing pervasive risk or misconduct risk profiles at the age of 5 years, and approximately sevenfold in children with special needs, relative to children showing no risk; patterns of association largely remained after adjusting for covariates. Children with special needs and the misconduct risk class used mental health services over a greater number of days than the no risk class. CONCLUSION: Patterns of early childhood developmental vulnerability are associated with subsequent onset of mental disorders and have the potential to inform interventions to mitigate the risk for mental disorders in later childhood and adolescence.


Subject(s)
Mental Disorders/epidemiology , Adolescent , Australia/epidemiology , Child , Child, Preschool , Female , Humans , Incidence , Male , Mental Disorders/diagnosis , New South Wales , Risk , Socioeconomic Factors
10.
Crim Behav Ment Health ; 28(5): 397-408, 2018 Oct.
Article in English | MEDLINE | ID: mdl-30256470

ABSTRACT

BACKGROUND: Maternal smoking during pregnancy and parental offending are both linked to adverse offspring outcomes. Few studies have examined how these exposures together influence diverse offspring outcomes in early childhood. AIMS: To examine associations between quantity of prenatal maternal smoking and frequency of maternal offending and offspring behavioural and cognitive outcomes at age 5 years. METHODS: Over 66,000 Australian children (mean age 5.6 years) were drawn from an intergenerational data linkage study. Unadjusted and adjusted logistic regressions were conducted for the two key exposures (maternal prenatal smoking and mother having at least two criminal convictions) and offspring behavioural and cognitive vulnerabilities. Population attributable fractions (PAFs) were also estimated for each outcome for the two exposures. RESULTS: Prenatal smoking and maternal offending were, separately and together, associated with most of the developmental vulnerabilities examined, even after adjusting for other familial and prenatal risk factors. PAFs for prenatal smoking ranged from 5.3% to 15.8%, and PAFs for maternal offending ranged from 3.4% to 11.8% across the offspring outcomes. CONCLUSIONS: Maternal smoking during pregnancy and maternal offending were uniquely associated with a range of offspring vulnerabilities, but mothers who smoked during pregnancy tended to experience multiple problems that should also be considered as indicators of child vulnerabilities. While early behavioural difficulties were evident in these children, it was striking that they were also likely to have cognitive vulnerabilities. Early intervention to support cognitive development in these children may minimise their risk of academic underachievement, long-term disadvantage, and even offending.


Subject(s)
Aggression/psychology , Child Behavior , Child Development , Cognition , Crime/statistics & numerical data , Criminals/statistics & numerical data , Mothers/psychology , Prenatal Exposure Delayed Effects , Smoking/adverse effects , Adult , Child , Child, Preschool , Criminals/psychology , Female , Humans , Male , New South Wales/epidemiology , Pregnancy , Smoking/epidemiology
12.
Psychol Med ; 48(13): 2257-2263, 2018 10.
Article in English | MEDLINE | ID: mdl-29331151

ABSTRACT

BACKGROUND: The intergenerational risk for mental illness is well established within diagnostic categories, but the risk is unlikely to respect diagnostic boundaries and may be reflected more broadly in early life vulnerabilities. We aimed to establish patterns of association between externalising and internalising vulnerabilities in early childhood and parental mental disorder across the full spectrum of diagnoses. METHODS: A cohort of Australian children (n = 69 116) entering the first year of school in 2009 were assessed using the Australian Early Development Census, providing measures of externalising and internalising vulnerability. Parental psychiatric diagnostic status was determined utilising record-linkage to administrative health datasets. RESULTS: Parental mental illness, across diagnostic categories, was associated with all child externalising and internalising domains of vulnerability. There was little evidence to support interaction by parental or offspring sex. CONCLUSIONS: These findings have important implications for informing early identification and intervention strategies in high-risk offspring and for research into the causes of mental illness. There may be benefits to focusing less on diagnostic categories in both cases.


Subject(s)
Behavioral Symptoms/epidemiology , Child Behavior , Child of Impaired Parents/statistics & numerical data , Mental Disorders/epidemiology , Child , Child, Preschool , Cohort Studies , Female , Humans , Male , New South Wales/epidemiology
13.
J Child Psychol Psychiatry ; 59(7): 801-810, 2018 07.
Article in English | MEDLINE | ID: mdl-29278269

ABSTRACT

BACKGROUND: Fetal exposure to infectious and noninfectious diseases may influence early childhood developmental functioning, on the path to later mental illness. Here, we investigated the effects of in utero exposure to maternal infection and noninfectious diseases during pregnancy on offspring developmental vulnerabilities at age 5 years, in the context of estimated effects for early childhood exposures to infectious and noninfectious diseases and maternal mental illness. METHODS: We used population data for 66,045 children from an intergenerational record linkage study (the New South Wales Child Development Study), for whom a cross-sectional assessment of five developmental competencies (physical, social, emotional, cognitive, and communication) was obtained at school entry, using the Australian Early Development Census (AEDC). Child and maternal exposures to infectious or noninfectious diseases were determined from the NSW Ministry of Health Admitted Patients Data Collection (APDC) and maternal mental illness exposure was derived from both APDC and Mental Health Ambulatory Data collections. Multinomial logistic regression analyses were used to examine unadjusted and adjusted associations between these physical and mental health exposures and child developmental vulnerabilities at age 5 years. RESULTS: Among the physical disease exposures, maternal infectious diseases during pregnancy and early childhood infection conferred the largest associations with developmental vulnerabilities at age 5 years; maternal noninfectious illness during pregnancy also retained small but significant associations with developmental vulnerabilities even when adjusted for other physical and mental illness exposures and covariates known to be associated with early childhood development (e.g., child's sex, socioeconomic disadvantage, young maternal age, prenatal smoking). Among all exposures examined, maternal mental illness first diagnosed prior to childbirth conferred the greatest odds of developmental vulnerability at age 5 years. CONCLUSIONS: Prenatal exposure to infectious or noninfectious diseases appear to influence early childhood physical, social, emotional and cognitive developmental vulnerabilities that may represent intermediate phenotypes for subsequent mental disorders.


Subject(s)
Child Development , Child of Impaired Parents/statistics & numerical data , Communicable Diseases/epidemiology , Mental Disorders/epidemiology , Mothers/statistics & numerical data , Pregnancy Complications, Infectious/epidemiology , Prenatal Exposure Delayed Effects/epidemiology , Adult , Child , Child, Preschool , Cross-Sectional Studies , Female , Humans , Male , New South Wales/epidemiology , Pregnancy
14.
Aust N Z J Psychiatry ; 52(6): 530-541, 2018 06.
Article in English | MEDLINE | ID: mdl-29108437

ABSTRACT

OBJECTIVE: Detecting the early emergence of childhood risk for adult mental disorders may lead to interventions for reducing subsequent burden of these disorders. We set out to determine classes of children who may be at risk for later mental disorder on the basis of early patterns of development in a population cohort, and associated exposures gleaned from linked administrative records obtained within the New South Wales Child Development Study. METHODS: Intergenerational records from government departments of health, education, justice and child protection were linked with the Australian Early Development Census for a state population cohort of 67,353 children approximately 5 years of age. We used binary data from 16 subdomains of the Australian Early Development Census to determine classes of children with shared patterns of Australian Early Development Census-defined vulnerability using latent class analysis. Covariates, which included demographic features (sex, socioeconomic status) and exposure to child maltreatment, parental mental illness, parental criminal offending and perinatal adversities (i.e. birth complications, smoking during pregnancy, low birth weight), were examined hierarchically within latent class analysis models. RESULTS: Four classes were identified, reflecting putative risk states for mental disorders: (1) disrespectful and aggressive/hyperactive behaviour, labelled 'misconduct risk' ( N = 4368; 6.5%); (2) 'pervasive risk' ( N = 2668; 4.0%); (3) 'mild generalised risk' ( N = 7822; 11.6%); and (4) 'no risk' ( N = 52,495; 77.9%). The odds of membership in putative risk groups (relative to the no risk group) were greater among children from backgrounds of child maltreatment, parental history of mental illness, parental history of criminal offending, socioeconomic disadvantage and perinatal adversities, with distinguishable patterns of association for some covariates. CONCLUSION: Patterns of early childhood developmental vulnerabilities may provide useful indicators for particular mental disorder outcomes in later life, although their predictive utility in this respect remains to be established in longitudinal follow-up of the cohort.


Subject(s)
Child Abuse/statistics & numerical data , Child of Impaired Parents/statistics & numerical data , Criminals/statistics & numerical data , Mental Disorders/epidemiology , Prenatal Exposure Delayed Effects/epidemiology , Problem Behavior , Risk Assessment/statistics & numerical data , Socioeconomic Factors , Australia/epidemiology , Censuses , Child , Child, Preschool , Female , Humans , Male , Medical Record Linkage , New South Wales , Pregnancy , Risk Factors
15.
Child Dev ; 89(5): 1599-1612, 2018 09.
Article in English | MEDLINE | ID: mdl-28805252

ABSTRACT

This study examined associations between maltreatment and early developmental vulnerabilities in a population sample of 68,459 children (Mage  = 5.62 years, SD = .37) drawn from the Australian state of New South Wales, using linked administrative data for the children and their parents (collected 2001-2009). Associations were estimated between (a) any maltreatment, (b) the number of maltreatment types, and (c) the timing of first reported maltreatment and vulnerability and risk status on multiple developmental domains (i.e., physical, social, emotional, cognitive, and communication). Pervasive associations were revealed between maltreatment and all developmental domains; children exposed to two or more maltreatment types, and with first maltreatment reported after 3 years of age, showed greater likelihood of vulnerability on multiple domains, relative to nonmaltreated children.


Subject(s)
Child Abuse/psychology , Developmental Disabilities/etiology , Age of Onset , Child Abuse/statistics & numerical data , Child Abuse, Sexual/psychology , Child Abuse, Sexual/statistics & numerical data , Child, Preschool , Developmental Disabilities/epidemiology , Emotions , Female , Humans , Male , New South Wales/epidemiology , Physical Abuse/psychology , Physical Abuse/statistics & numerical data , Vulnerable Populations/psychology , Vulnerable Populations/statistics & numerical data
16.
BMJ Open ; 7(11): e012459, 2017 Nov 28.
Article in English | MEDLINE | ID: mdl-29183924

ABSTRACT

OBJECTIVE: The proliferation of studies using motivational signs to promote stair use continues unabated, with their oft-cited potential for increasing population-level physical activity participation. This study examined all stair use promotional signage studies since 1980, calculating pre-estimates and post-estimates of stair use. The aim of this project was to conduct a sequential meta-analysis to pool intervention effects, in order to determine when the evidence base was sufficient for population-wide dissemination. DESIGN: Using comparable data from 50 stair-promoting studies (57 unique estimates) we pooled data to assess the effect sizes of such interventions. RESULTS: At baseline, median stair usage across interventions was 8.1%, with an absolute median increase of 2.2% in stair use following signage-based interventions. The overall pooled OR indicated that participants were 52% more likely to use stairs after exposure to promotional signs (adjusted OR 1.52, 95% CI 1.37 to 1.70). Incremental (sequential) meta-analyses using z-score methods identified that sufficient evidence for stair use interventions has existed since 2006, with recent studies providing no further evidence on the effect sizes of such interventions. CONCLUSIONS: This analysis has important policy and practice implications. Researchers continue to publish stair use interventions without connection to policymakers' needs, and few stair use interventions are implemented at a population level. Researchers should move away from repeating short-term, small-scale, stair sign interventions, to investigating their scalability, adoption and fidelity. Only such research translation efforts will provide sufficient evidence of external validity to inform their scaling up to influence population physical activity.


Subject(s)
Exercise , Health Promotion , Location Directories and Signs , Program Evaluation , Stair Climbing , Decision Making , Female , Humans , Male , Motivation
17.
Soc Psychiatry Psychiatr Epidemiol ; 52(4): 445-455, 2017 04.
Article in English | MEDLINE | ID: mdl-28204921

ABSTRACT

PURPOSE: To examine the impact of parental criminal offending, both paternal and maternal, on offspring aggression at age 5 years, while also considering key risk factors, including parental mental illness, child's sex, and socioeconomic disadvantage. METHODS: The sample comprised 69,116 children, with linked parental information, from the New South Wales Child Development Study, a population-based multi-agency, multi-generational record linkage study that combines information from a teacher-reported cross-sectional survey of early childhood development at age 5 years (the 2009 Australian Early Development Census; AEDC) with data obtained via administrative records from multiple sources (e.g., health, crime, education, and welfare). Hierarchical logistic regression analyses were conducted to determine the effects of maternal and paternal criminal court appearances (frequency and type of offending), and mental health service contacts, on offspring aggression measured in the AEDC. RESULTS: Having a parent with a history of offending was significantly associated with high levels of offspring aggression in early childhood. The strength of association was greatest when parents were involved in frequent (≥6 offences: adjusted odds ratio [aOR] range = 1.55-1.73) and violent (aOR range = 1.49-1.63) offending. Both maternal and paternal offending remained significant predictors of offspring aggression after accounting for parental mental illness, and associations were similar in magnitude for maternal and paternal offending histories. CONCLUSIONS: Parental history of severe criminal offending increased the risk of high levels of aggression in offspring during early childhood, highlighting the need for intervention with families during this key developmental period.


Subject(s)
Aggression/psychology , Child Development , Criminals/statistics & numerical data , Mental Disorders/epidemiology , Parents/psychology , Adult , Child, Preschool , Cross-Sectional Studies , Female , Humans , Male , New South Wales/epidemiology
18.
J Paediatr Child Health ; 52(9): 882-8, 2016 Sep.
Article in English | MEDLINE | ID: mdl-27439883

ABSTRACT

AIM: Childhood infectious diseases can be associated with later physical and psychological ill health, and the effects of this association may be evident during early childhood development. This study aimed to examine the effects of hospitalisation for early life infection on early childhood development. METHODS: Hospital admission data for infection were obtained from the New South Wales Ministry of Health Admitted Patient Data Collection for 87 026 children, for whom the Australian Early Development Census (AEDC) was completed in their first year of formal schooling (age approximately 5 years). The AEDC provides estimates of each child's level of functioning on five domains of development spanning social and emotional skills, communication skills, numeracy and literacy and physical health. Multinomial logistic regressions were used to determine the relationship between exposure to hospital admissions for infectious disease prior to age 4 years and vulnerability on the AEDC. Models were adjusted for the effects of potential confounding factors related to the perinatal period, exposure to maltreatment and family characteristics. RESULTS: Single and multiple hospitalisation(s) for infections were consistently associated with increased likelihood of being developmentally vulnerable on all AEDC domains, with odds ratios ranging from 1.02 to 1.28, after adjustment for confounding factors. CONCLUSIONS: This study demonstrates a pervasive effect of early life infections that require hospital admission on multiple aspects of early child development, even after adjustment for potential confounding factors. Relatively, severe infection during early childhood constitutes a risk factor for developmental vulnerability by the time of entry to school.


Subject(s)
Child Development , Child Health , Developmental Disabilities/etiology , Hospitalization , Infections/complications , Child, Preschool , Developmental Disabilities/diagnosis , Female , Health Surveys , Humans , Infant , Infant, Newborn , Logistic Models , Male , Risk Factors
19.
BMJ Open ; 6(2): e009023, 2016 Feb 11.
Article in English | MEDLINE | ID: mdl-26868941

ABSTRACT

PURPOSE: The initial aim of this multiagency, multigenerational record linkage study is to identify childhood profiles of developmental vulnerability and resilience, and to identify the determinants of these profiles. The eventual aim is to identify risk and protective factors for later childhood-onset and adolescent-onset mental health problems, and other adverse social outcomes, using subsequent waves of record linkage. The research will assist in informing the development of public policy and intervention guidelines to help prevent or mitigate adverse long-term health and social outcomes. PARTICIPANTS: The study comprises a population cohort of 87,026 children in the Australian State of New South Wales (NSW). The cohort was defined by entry into the first year of full-time schooling in NSW in 2009, at which time class teachers completed the Australian Early Development Census (AEDC) on each child (with 99.7% coverage in NSW). The AEDC data have been linked to the children's birth, health, school and child protection records for the period from birth to school entry, and to the health and criminal records of their parents, as well as mortality databases. FINDINGS TO DATE: Descriptive data summarising sex, geographic and socioeconomic distributions, and linkage rates for the various administrative databases are presented. Child data are summarised, and the mental health and criminal records data of the children's parents are provided. FUTURE PLANS: In 2015, at age 11 years, a self-report mental health survey was administered to the cohort in collaboration with government, independent and Catholic primary school sectors. A second record linkage, spanning birth to age 11 years, will be undertaken to link this survey data with the aforementioned administrative databases. This will enable a further identification of putative risk and protective factors for adverse mental health and other outcomes in adolescence, which can then be tested in subsequent record linkages.


Subject(s)
Child Development , Child Health , Mental Health , Child , Health Status , Humans , Literacy , Longitudinal Studies , Medical Record Linkage , New South Wales , Parents , Socioeconomic Factors
20.
Health Place ; 37: 26-34, 2016 Jan.
Article in English | MEDLINE | ID: mdl-26699448

ABSTRACT

This study assessed the impact of an outdoor gym installation on park users' physical activity levels and examined the characteristics of outdoor gym users. A before-after time series design was employed, consisting of nine data collection periods: three each at baseline, post outdoor gym installation, and at 12-month follow-up. Repeated observational surveys and park intercept interviews were conducted. There was a small but significant increase in senior park users engaging in moderate to vigorous physical activity at follow-up (1.6 to 5.1%; p<0.001). There were significant increases from baseline to follow-up in the outdoor gym area for: MVPA (6 to 40%; p<0.001); and seniors' use (1.4 to 6%; p<0.001). The study contributes to the limited evidence on the impact of outdoor gyms on physical activity outcomes.


Subject(s)
Environment Design , Exercise , Public Facilities , Adolescent , Adult , Child , Child, Preschool , Female , Humans , Infant , Interviews as Topic , Male , Middle Aged , New South Wales , Recreation , Surveys and Questionnaires , Young Adult
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