Correction: Research using population-based administration data integrated with longitudinal data in child protection settings: A systematic review.

[This corrects the article DOI: 10.1371/journal.pone.0249088.].

Hospital-Based Healthcare Workers' Experiences of Involvement in Perinatal Child Protection Processes: A Scoping Literature Review.

As the number of infants entering Out-of-Home Care at birth internationally continues to rise, Hospital-based healthcare workers (HBHCWs) are increasingly likely to become involved in ethically, morally, and legally complex child protection processes. This scoping review aimed to identify and synthesize qualitative literature pertaining to the perspectives of HBHCWs with experiences of involvement in child protection processes occurring in the perinatal period. JBI Methodology for Scoping Reviews guided this review. Databases Ovid MEDLINE, CINAHL Plus, PsycINFO, ProQuest, Web of Science, SCOPUS, and Informit were searched between March 1 and April 30, 2023. Eighteen sources were identified as meeting the criteria for inclusion following screening by two independent reviewers. Data extracted from the included sources are presented in narrative and tabular formats. Involvement in child protection processes is an inherently conflictual experience for HBHCWs and gives rise to internal, interpersonal, and interorganizational tensions. Involvement can have an enduring impact on the HBHCWs, particularly when an infant is removed from hospital by child protection authorities. Appropriate peer, managerial, and organizational level responses are essential to ameliorate risk to HBHCWs themselves and subsequently their practice with women, infants, and families. HBHCWs can provide valuable insight into the challenges of delivering healthcare at the interface of child protection. Future research should focus on building understanding of experiences across disciplines to ensure that interventions designed to prepare and support HBHCWs are effective and evidence-based.

Interpregnancy interval and adverse birth outcomes: a population-based cohort study of twins.

BACKGROUND: To investigate associations between interpregnancy intervals (IPIs) and adverse birth outcomes in twin pregnancies. METHODS: This retrospective cohort study of 9,867 twin pregnancies in Western Australia from 1980-2015. Relative Risks (RRs) were estimated for the interval prior to the pregnancy (IPI) as the exposure and after the pregnancy as a negative control exposure for preterm birth (< 37 weeks), early preterm birth (< 34 weeks), small for gestational age (SGA: < 10th percentile of birth weight by sex and gestational age) and low birth weight (LBW: birthweight < 2,500 g). RESULTS: Relative to IPIs of 18-23 months, IPIs of < 6 months were associated with a higher risk of early preterm birth (aRR 1.41, 95% CI 1.08-1.83) and LBW for at least one twin (aRR 1.16, 95% CI 1.06-1.28). IPIs of 6-11 months were associated with a higher risk of SGA (aRR 1.24, 95% CI 1.01-1.54) and LBW for at least one twin (aRR 1.09, 95% CI 1.01-1.19). IPIs of 60-119 months and ≥ 120 months were associated with an increased risk of preterm birth (RR 1.12, 95% CI 1.03-1.22; and (aRR 1.25, 95% CI 1.10-1.41, respectively), and LBW for at least one twin (aRR 1.17, 95% CI 1.08-1.28; and aRR 1.20, 95% CI 1.05-1.36, respectively). IPIs of ≥ 120 months were also associated with an increased risk of early preterm birth (aRR 1.42, 95% CI 1.01-2.00). After negative control analysis, IPIs ≥ 120 months remained associated with early preterm birth and LBW. CONCLUSION: Evidence for adverse associations with twin birth outcomes was strongest for long IPIs.

The hidden impact of alcohol on young victims: an analysis of alcohol-related police offences resulting in hospitalisation.

BACKGROUND: Alcohol-related harm (ARH) is a significant public health concern affecting young individuals, particularly those involved in alcohol-related police incidents resulting in hospitalisation. However, the impact of alcohol on young victims remains under researched. This study aimed to identify the characteristics of offenders and victims involved in these incidents, analyse the types of offences, and understand the under-ascertainment of ARH in hospital records. METHODS: A retrospective longitudinal study of 12-24-year-olds born between 1980 and 2005 was conducted using linked data from hospital admissions, emergency department presentations, and police incident records. Alcohol-related incidents were identified based on the attending officers' opinions in the Western Australia Police's Incident Management System (IMS). Logistic and log-binomial regression were utilised to analyse the factors associated with victimisation and under-ascertainment of ARH. RESULTS: Our study included 22,747 individuals (11,433 victims and 11,314 offenders) involved in alcohol-related police incidents, with a small majority of victims being female (53%, n = 6,074) and a large majority of offenders being male (84.3%, n = 9,532). Most victims did not receive a diagnosis of ARH (71%, n = 760). Women were 10 times more likely to have been a victim in ARH police incidents and 2 times more likely to have an undiagnosed alcohol-related hospital admission than men. Victims and offenders predominantly came from disadvantaged areas and major cities. Aboriginal individuals were overrepresented as both offenders and victims. A significant proportion of individuals experienced emergency department presentations or hospital admissions, with head injuries being the most common. Assault causing bodily harm was the most prevalent offence resulting in hospitalisation (66%, n = 2,018). CONCLUSIONS: There is a noteworthy disparity between the quantity of hospital admissions attributed to alcohol-related incidents and the number of cases that are formally classified as ARH in the hospital system. This disparity highlights a more profound issue of substantial under-ascertainment or inadequate identification of ARH than previously acknowledged. Our findings justify the prioritisation of prevention strategies, beyond improvement in the documentation of alcohol-related hospitalisation. Considering the scale of the problem, and the underestimation of the burden of alcohol-related hospitalisation, a proportional increase in investment is necessary to achieve population-level reductions in ARH.

Trajectories of homelessness and association with mental health and substance use disorders among young people transitioning from out-of-home care in Australia.

BACKGROUND: Researchers have examined sub-groups that may exist among young people transitioning from out-of-home care (OHC) using various theoretical models. However, this population group has not been examined for trajectories of homelessness risk. OBJECTIVES: To examine whether different subtypes of homelessness risk exist among young people transitioning from care and whether these trajectories of homelessness are associated with mental health and substance use disorders. PARTICIPANTS AND SETTING: A retrospective population-based cohort study was conducted from a population of 1018 young people (aged 15-18 years) who transitioned from out-of-home in 2013 to 2014 in the state of Victoria, Australia, with follow-up to 2018. METHODS: Latent Class Growth Analysis was conducted using linked data from homelessness data collections, child protection, mental health information systems, alcohol and drug use, and youth justice information systems. RESULTS: Three sub-groups of young people were identified. The 'moving on' group (88 %) had the lowest levels of homelessness, with the slope of this trajectory remaining almost stable. The 'survivors' (7 %) group started off with a high risk of homelessness, followed by a sharp decrease in homelessness risk over time. The 'complex' (5 %) group started off with a low risk of homelessness but faced sharp increases in the risk of homelessness over time. CONCLUSIONS: Our study demonstrates that subgroups of young people transitioning from care exist with distinct longitudinal trajectories of homelessness, and these classes are associated with different risk factors. Early intervention and different approaches to tackling homelessness should be considered for these three distinct groups before transitioning from care and during the first few years after leaving care.

Assessing the utility of night-time presentations as a proxy for alcohol-related harm among young emergency department trauma patients.

OBJECTIVE: To assess the usefulness of night-time presentations to measure alcohol-related harm (ARH) in young trauma patients, aged 12-24 years, attending Western Australian EDs. METHODS: A retrospective longitudinal study examined alcohol-related ED presentations in Western Australia (WA; 2002-2016) among 12- to 24-year-olds. Data from the Emergency Department Data Collection, WA State Trauma Registry Database and Hospital Morbidity Data Collection were used to identify ARH through specific codes and text searches. These were compared to ARH estimates based on presentation time. Statistical analysis involved sensitivity and specificity calculations and Cox proportional hazards modelling. RESULTS: We identified 2644 (17.8%) night-time presentations as a proxy measure of ARH among the 14 887 presentations of patients aged 12-24 years. This closely matched the 3064 (20.6%) identified as ARH through coding methods. The highest risk for an ARH presentation occurred during the night hours between 00.00 and 04.59 hours. During these hours, the risk was 4.4-5.1 times higher compared to presentations at midday (between 12.00 and 12.59 hours). However, when looking at individual patients, we observed that night-time presentations were not a strong predictor of ARH (sensitivity: 0.39; positive predictive value: 0.46). CONCLUSIONS: Implementing targeted interventions during night hours could be beneficial in addressing ARH presentations. However, relying solely on the time of presentation as a proxy for ARH is unlikely to effectively identify ARH in young individuals. Instead, the present study emphasises the importance of implementing mandatory data collection strategies in EDs to ensure accurate measurement of ARH cases.

Positive reading achievement outcomes in children who experience out-of-home care: Characteristics and predictors.

BACKGROUND: Children who enter out-of-home care ('care') are at increased risk for low academic achievement. Nonetheless, some children who have experienced out-of-home care achieve highly. Several qualitative studies of academically successful young adults with care histories have highlighted factors that may contribute to positive outcomes; however longitudinal cohort research is needed to identify characteristics and predictors of higher achieving younger children who experienced care. OBJECTIVE: To describe characteristics and circumstances of children with higher reading achievement who had entered care, and predictors of higher achievement. PARTICIPANTS AND SETTING: The study included 778 children from the Pathways of Care Longitudinal Study (POCLS) in New South Wales, Australia. METHODS: Prospective cohort data from interviews and linked administrative child protection and education data were used to identify factors associated with higher Year 3 reading achievement among Aboriginal and non-Aboriginal children that may assist in improving outcomes. RESULTS: Although a lower proportion than the general population, almost half (46 %) of children who entered care were in the higher achievement group. Higher achieving students were a diverse group and faced many adversities commonly found among children who experienced care generally. Multivariable logistic regression showed higher achievement in the cohort was significantly associated with: average or above cognitive ability, low externalizing behaviour, highly-educated carers, and non-Aboriginal students. Several supports and services were associated with higher achievement, but inconsistently across analyses. CONCLUSIONS: Results indicate potential interventions could target cognitive ability, wellbeing and environmental factors, and involve interventions directly with children and via carers to improve student outcomes.

Infants entering out-of-home care: Health, developmental needs and service provision.

BACKGROUND: There are rising numbers of infants entering out-of-home care due to child protection concerns. Research has found that infants entering care are at higher risk of developmental vulnerability and poor health problems. OBJECTIVES: To determine the prevalence of developmental vulnerability for children who entered care as infants, and the extent and likelihood of service provision in relation to their developmental vulnerability. PARTICIPANTS AND SETTING: This study includes children who entered care before the age of 1 year for the first time between May 2010 and October 2011 in New South Wales, Australia, and who received final Children's Court care and protection orders by 30 April 2013. METHODS: This is a prospective cohort study using interview data from the Pathways of Care Longitudinal Study (POCLS) as well as linked administrative child protection and health data. This study used standardised assessments (Age and Stages Questionnaire and the Brief Infant Toddler Social Emotional Assessment) included in the POCLS. Simple and multiple logistic regression analysis was conducted to investigate the likelihood of infants receiving professional services for developmental delays since placement. FINDINGS: A high proportion of children who entered care as infants were identified as developmentally vulnerable through health indicators (36 %) and standardised assessments (70 %). Only 17 % of infants in care received services for developmental delay, with 20 % and 15 % of those identified as developmentally vulnerable through standardised assessments and health-related variables receiving services, respectively. CONCLUSIONS: The findings point to the importance of developmental assessment of infants in care and the identification of developmental vulnerability and delays. The provision of early intervention services is essential for this group of high-risk infants and will be important in optimising their health, as well as social and emotional outcomes.

Infant and Pre-birth Involvement With Child Protection Across Australia.

Infants (<1 year old) are the age group in Australia with the highest rate of involvement with child protection. Many jurisdictions across Australia and internationally are implementing policies focused on prenatal planning and targeted support. This study investigates Australian trends in prenatal and infant child protection notifications, substantiations and out-of-home care; and the extent of over-representation of Aboriginal and Torres Strait Islander infants. Data was provided by the Australian Institute of Health and Welfare for the period 1 July 2012-30 June 2019. Univariate Poisson regression analysis was conducted, reporting the percentage change in the incidence rate ratios. All Australian jurisdictions who collect and approved release of prenatal notification data experienced increases in the rates of children with prenatal notifications, with a 4% (IRR: 1.04(1.04-1.05)) overall increase per year across Australia. Approximately 33% of children had substantiated prenatal notifications. Rates of infant notifications and entry to care in Australia increased overall by 3% (IRR:1.03(1.03-1.04)) and 2% per year (IRR:1.02(1.01-1.03)), respectively. With rising numbers of families reported prenatally and during infancy, greater evidence of the effectiveness of policies, interventions and outcomes for children and families is required.

Cumulative incidence of child protection system contacts among a cohort of Western Australian Aboriginal children born 2000 to 2013.

BACKGROUND: Reducing the over-representation of Aboriginal children in the child protection system is a key target for the Australian government. OBJECTIVE: We aimed to provide more recent evidence on the population-level cumulative incidence of contacts for Aboriginal children with child protective services (CPS) in Western Australia (WA). PARTICIPANTS AND SETTING: Linked administrative data was provided for WA CPS between 2000 and 2015 for 33,709 Aboriginal children born in WA between 2000 and 2013. METHODS: Descriptive summaries and cumulative incidence estimates were used to examine changes in CPS contact trends over time and within sibling groups. RESULTS: There was an increase in early-childhood contacts for children born more recently, with 7.6 % and 2.3 % of children born in 2000-2001 having a notification and placement in out-of-home care by age one, respectively, compared to 15.1 % and 4.3 % of children born in 2012-2013. Among sibling groups where at least one sibling had a CPS contact, approximately half of children had their first contacts on the same date as another sibling. For children born after one of their siblings had been placed in out-of-home care, 31.9 % had themselves been placed in out-of-home care by age one. CONCLUSIONS: Multiple children tend to be placed into out-of-home care when at least one sibling is, which is likely to have a significant impact on families affected. The additional risk of placement also carries over to children born after the first removal in a sibling group, highlighting the need for further support to prevent future removals.

Reproductive and sexual health of Australian adolescents exposed to family and domestic violence.

BACKGROUND: There is a dearth of research investigating sexually transmitted infections (STIs) in children exposed to family and domestic violence (FDV). Further, there is no research on terminations of pregnancy in children exposed to FDV. METHODS: This retrospective cohort study used linked administrative data from Western Australia to investigate whether exposure to FDV is associated with a risk of hospitalisations for STIs and terminations of pregnancy in adolescents. This study involved children born from 1987 to 2010 whose mother was a victim of FDV. Identification of family and domestic violence was from two sources: police and hospital records. This approach provided an exposed cohort of 16 356 and a non-exposed cohort of 41 996. Dependant variables were hospitalisations for pregnancy terminations and STIs in children aged from 13 up to 18 years of age. The primary explanatory variable was exposure to FDV. Multivariable Cox regression was used to investigate the association of FDV exposure and the outcomes. RESULTS: Following adjustment for sociodemographic and clinical factors, children exposed to FDV had an increased risk of hospitalisations for STIs (HR 1.49, 95% CI 1.15 to 1.92) and terminations of pregnancy (HR 1.34, 95% CI 1.09 to 1.63) as an adolescent than non-exposed peers. CONCLUSION: Children exposed to FDV are at an increased risk of hospitalisation for STI and termination of pregnancy as an adolescent. Effective interventions are needed to support children exposed to FDV.

Prioritising Children and Young People with Disability in Research About Domestic and Family Violence: Methodological, Ethical and Pragmatic Reflections.

Purpose: The perspectives of children and young people with disability who experience domestic and family violence are under-researched, impeding the development of approaches that meet their needs. Knowledge gaps stem from the layered discursive positioning of disability, childhood/youth, or domestic and family violence in addition to the methodological, ethical and pragmatic complexity of research needed to understand their priorities and be attuned to their lived experience. This article explores methodological, ethical and practical challenges to centring their voices in research about domestic and family violence. Method: A conceptual framework of feminist disability theory and intersectionality informed our co-designed research, across three phases: (1) quantitative large-scale data linkage and case file analysis; (2) qualitative research with children and young people, their families and service providers and (3) stakeholder engagement workshops. Results: We reflect on how our research was able to prioritise the contextual agency of children and young people with disability, ways it could not, and other constraints. Conclusion: Children and young people with disability experiencing domestic and family violence hold an expert and unique vantage point on what happens to them. Amplifying their priorities for directing policy and organisational change requires more of researchers in terms of methods, but also more flexibility in how projects are funded to enable creativity and innovation. We call for collective attention to frameworks for supported decision-making and child ethics to progress inclusive research which recognises the importance of participation for children and young people with disability.

Exposure to family and domestic violence is associated with lower attendance and higher suspension in school children.

BACKGROUND: Exposure to family and domestic violence (FDV) in childhood can have a detrimental effect on children's health and social outcomes. However, research on the school outcomes of children exposed to FDV is scant. OBJECTIVES: To investigate the impact of FDV exposure on school attendance and suspension in Aboriginal and non-Aboriginal children. METHODS: A population-based retrospective cohort study of school children, in grade 1 to 10, born from 1993 to 2006 in Western Australia (n = 26,743) using linked administrative data. Multivariate logistic regression analysis was used to calculate odds ratios and 95% confidence intervals to determine the association with school attendance and suspension outcomes for children exposed to FDV compared to non-exposed children. RESULTS: Compared to non-exposed children, children exposed to FDV have an increase of poor school attendance: Aboriginal children adjusted odds ratio (aOR) = 1.91, 95% confidence interval (CI): 1.75-2.07, non-Aboriginal children aOR = 2.42, 95%CI: 2.12-2.75. FDV-exposed children also have an increased risk of school suspension: Aboriginal children aOR = 1.60, 95%CI: 1.47-1.74, non-Aboriginal children aOR = 2.68, 95%CI: 2.35-3.05, compared to non-exposed counterparts. CONCLUSION: Exposure to FDV is associated with an increased odds of poor school attendance and school suspension. Evidence-based and innovative strategies are needed to support children who are exposed to FDV. This involves responding in ways that does not cause further trauma to children; a restorative and trauma-informed approach is vital.

The lasting impact of family and domestic violence on neonatal health outcomes.

OBJECTIVES: To compare the health of neonates born to women who experienced family and domestic violence (FDV) 12 months prior to birth, with the health of neonates born to women with an earlier history of FDV and women with no history of FDV. METHODS: A retrospective cohort of women who experienced FDV within 12 months of birth (antenatal FDV [AFDV]) (n = 1230) was identified using data from the Western Australia (WA) Police Force Incident Management System and WA Hospital Morbidity Data Collection. Two comparison cohorts were used, the first including women with a history of FDV (HFDV) 12-60 months prior to birth (n = 1549) and the second with no history of FDV (NFDV) recorded (n = 3690). Hospital, birth, mortality, and congenital anomaly data were used in generalized linear models to examine and compare neonatal health outcomes. RESULTS: Women in the AFDV group had higher proportions of factors associated with poor neonatal outcomes including smoking (42.4%), substance use (23.0%), and mental health disorders (34.8%). Neonates born to AFDV mothers had significantly higher odds of congenital anomalies (OR: 1.51, 95% CI: 1.18-1.94), low birth weight (1.74, 1.45-2.10), and preterm birth (1.48, 1.22-1.79) compared with neonates born to NFDV mother. Neonatal health outcomes in those born to AFDV women were not significantly different from those born to HFDV women. CONCLUSIONS: Antenatal and historical FDV were associated with poor neonatal health outcomes. Additional pregnancy and social support should be offered to women who have experienced FDV during or prior to pregnancy.

Patterns of homelessness and housing instability and the relationship with mental health disorders among young people transitioning from out-of-home care: Retrospective cohort study using linked administrative data.

OBJECTIVES: The study examined the relationship between mental health, homelessness and housing instability among young people aged 15-18 years old who transitioned from out-of-home in 2013 to 2014 in the state of Victoria, Australia with follow-up to 2018. We determined the various mental health disorders and other predictors that were associated with different levels of homelessness risk, including identifying the impact of dual diagnosis of mental health and substance use disorder on homelessness. METHODOLOGY: Using retrospective de-identified linked administrative data from various government departments we identified various dimensions of homelessness which were mapped from the European Topology of Homelessness (ETHOS) framework and associated mental health variables which were determined from the WHO ICD-10 codes. We used ordered logistic regression and Poisson regression analysis to estimate the impact of homelessness and housing instability respectively. RESULTS: A total homelessness prevalence of 60% was determined in the care-leaving population. After adjustment, high risk of homelessness was associated with dual diagnosis of mental health and substance use disorder, intentional self-harm, anxiety, psychotic disorders, assault and maltreatment, history of involvement with the justice system, substance use prior to leaving care, residential and home-based OHC placement and a history of staying in public housing. CONCLUSIONS: There is clearly a need for policy makers and service providers to work together to find effective housing pathways and integrated health services for this heterogeneous group of vulnerable young people with complex health and social needs. Future research should determine longitudinally the bidirectional relationship between mental health disorders and homelessness.

Epilepsy in children exposed to family and domestic violence in the first 5 years of life.

AIM: To investigate childhood (0-18 years) hospitalisation and emergency department (ED) contacts for epilepsy in Western Australian (WA) children exposed to family and domestic violence (FDV) pre 5 years of age compared to children with no FDV exposure. METHODS: A retrospective, population-based cohort study included children born 1987-2010 who were identified as being exposed to FDV (n = 7018) from two sources: WA Police Information Management System and WA Hospital Morbidity Data Collection (HMDC) and a non-exposed comparison group (n = 41 996). Epilepsy contact was identified in HMDC and ED Data Collection records. Cox regression was used to estimate the adjusted and unadjusted hazard ratio and 95% confidence interval (CI) for epilepsy contact; adjustment was made for a range of demographic characteristics known to impact health outcomes. Analyses were stratified by Aboriginal and Torres Strait Islander status to account for higher rates of FDV and epilepsy hospital admissions in Aboriginal and Torres Strait Islander children. RESULTS: Children exposed to FDV had a 62% (HR 1.62, 95% CI: 1.33-1.98) increased risk of epilepsy contact than non-exposed counterparts. Furthermore, the children exposed to FDV had a 50% longer average hospital stay for epilepsy than non-exposed children (4.7 days vs. 3 days, P = 0.006). When stratified by Aboriginal status, we found that Aboriginal children exposed to FDV stayed (on average) 2 days longer in hospital for epilepsy than their non-exposed counterparts (5.1 days vs. 3.1 days, P = 0.018). CONCLUSIONS: FDV exposure in early childhood is associated with increased risk of requiring secondary health care and longer hospital stays for childhood epilepsy.

Supporting Aboriginal and Torres Strait Islander Families to Stay Together from the Start (SAFeST Start): Urgent call to action to address crisis in infant removals.

Reducing the rate of over-representation of Aboriginal and Torres Strait Islander children in out-of-home care (OOHC) is a key Closing the Gap target committed to by all Australian governments. Current strategies are failing. The "gap" is widening, with the rate of Aboriginal and Torres Strait Islander children in OOHC at 30 June 2020 being 11 times that of non-Indigenous children. Approximately, one in five Aboriginal and Torres Strait Islander children entering OOHC each year are younger than one year. These figures represent compounding intergenerational trauma and institutional harm to Aboriginal and Torres Strait Islander families and communities. This article outlines systemic failures to address the needs of Aboriginal and Torres Strait Islander parents during pregnancy and following birth, causing cumulative harm and trauma to families, communities and cultures. Major reform to child and family notification and service systems, and significant investment to address this crisis, is urgently needed. The Family Matters Building Blocks and five elements of the Aboriginal and Torres Strait Islander Child Placement Principle (Prevention, Participation, Partnership, Placement and Connection) provide a transformative foundation to address historical, institutional, well-being and socioeconomic drivers of current catastrophic trajectories. The time for action is now.

Is early childhood development impeded by the birth timing of the younger sibling?

BACKGROUND: This study investigated whether the timing of birth of the younger siblings was associated with the risk of the older siblings' developmental vulnerability in early childhood. METHODS: Linkage of population-level birth registration, hospital, and perinatal datasets to Australian Early Development Census (AEDC) records (2009-2015), enabled follow-up of a cohort of 32,324 Western Australia born singletons. Children with scores <10th percentile on an individual AEDC domain (Physical Health and Wellbeing; Social Competence; Emotional Maturity; Language and Cognitive Skills (school-based); and Communication Skills and General Knowledge) were classified as developmentally vulnerable. Modified Poisson Regression was used to estimate relative risks (RR) for associations between post-birth interpregnancy intervals (IPIs) and developmental vulnerability. RESULTS: Relative to post-birth IPIs of 18-23 months, post-birth IPIs of <6 and 6-11 months were associated with an increased risk of children being classified as DV1 (aRR 1.21, 95% CI: 1.11-1.31) and DV2 (aRR 1.31, 95% CI: 1.15-1.49); and DV1 (aRR 1.10, 95% CI: 1.03-1.17) and DV2 (aRR 1.21, 95% CI: 1.09-1.34), respectively. Post-birth IPIs of <6 months were associated with an increased risk on four of the five AEDC domains. Post-birth IPIs of 48-60 months were associated with an increased risk of developmental vulnerability; however, the risk was statistically significant for DV1, DV2 and the domains of Emotional Maturity and Language and Cognitive Skills (school-based). CONCLUSIONS: Developmental vulnerability was associated with having a closely spaced younger sibling (<12 months post-birth IPIs). Optimising birth spacing should be further investigated as a potential means for improving child development outcomes.

Young people with prior health service contacts have increased risk of repeated alcohol-related harm hospitalisations.

INTRODUCTION: After a first alcohol-related hospitalisation in youth, subsequent hospitalisations may demonstrate an increased risk of further alcohol-related hospitalisations, but there is no existing data on this. METHODS: A retrospective longitudinal study between July 1992 and June 2017 using linked hospital administrative data identified 23 464 Western Australian young people [9009 (38.4%) females and 14 455 (61.6%) males], aged 12-24 years hospitalised for at least one alcohol-related harm (ARH) episode of care. Cox regression was used to estimate hazard ratios (HR) between risk factors and repeated alcohol-related hospitalisation after the first discharge for ARH. RESULTS: Of those admitted for an alcohol-related hospitalisation (n = 23 464), 21% (n = 4996) were readmitted for ARH. This high-risk sub-group comprised 46% (n = 16 017) of the total alcohol-related admissions (n = 34 485). After the first discharge for ARH, 16% (804) of people who experienced an alcohol-related readmission were readmitted within 1 month, and 51.8% (2589) were readmitted within 12 months. At increased risk of readmission were Aboriginal people and those with prior health service contacts occurring before their first alcohol-related hospitalisation, including illicit drug hospitalisations, mental health contacts and, in a sub-analysis, emergency department presentations. DISCUSSION AND CONCLUSIONS: The probability of a repeated ARH hospitalisation was highest in the first month after initial discharge. There is a high-risk sub-group of young people more likely to have a repeat ARH hospitalisation. This represents an opportunity to provide interventions to those most at risk of repeated ARH.

Child protection involvement of children of mothers with intellectual disability.

BACKGROUND: Children born to parents with intellectual disability (ID) have been shown as disproportionally represented in child protection services however with limited population-based research. OBJECTIVES: To investigate child protection involvement for children born to mothers with ID in Western Australia using linked administrative data. PARTICIPANTS AND SETTING: A cohort of 1106 children born to a mother with ID and a comparison group of 9796 children of mothers without ID were identified in Western Australia. METHODS: Cox regression analyses stratified by maternal Aboriginal status were conducted to investigate risk of child involvement with child protection services and care placement. Interaction with child age, intellectual disability status, and maternal mental health and substance use was investigated. RESULTS: Children born to a mother with ID were both at higher risk of having contact with child protection services (HR: 4.35 (3.70-5.12)) and placement in out-of-home care (HR: 6.21 (4.73-8.17)). For non-Aboriginal children, the risks of child protection involvement and placement for those born to mothers with ID were 7 times and 12 times higher than those of mothers without ID. The risk was lower for Aboriginal children, at 1.8 and 1.9 times, respectively. Infants born to mothers with ID were at higher risk of child protection involvement compared to other age groups. Maternal mental health and substance use moderated the increased risk. CONCLUSIONS: Intellectual disability alone is not sufficient justification for removal of children from their parents. The challenge for family services is ensuring that resources are adequate to meet the family's needs.