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Background: Understanding the relationship between different aspects of disadvantage over time and domains of child development will facilitate the formulation of more precise policy responses. We examined the association between exposure to aspects of disadvantage over the childhood period (from 0-9 years) and child development at 10-11 years., Methods: We used data from the nationally representative birth cohort of the Longitudinal Study of Australian Children (n = 4979). Generalized linear models with log-Poisson link were used to estimate the association between previously derived disadvantage trajectories (in each of four lenses of sociodemographic, geographic environments, health conditions and risk factors, and a composite of these) and risk of poor child developmental outcomes. Population-attributable fractions were calculated to quantify the potential benefit of providing all children with optimal conditions for each developmental outcome., Results: Trajectories of disadvantage were associated with developmental outcomes: children in the most disadvantaged composite trajectory had seven times higher risk of poor outcomes on two or more developmental domains, compared with those most advantaged. Trajectories of disadvantage in different lenses were varyingly associated with the child development domains of socio-emotional adjustment, physical functioning and learning competencies. Exposure to the most advantaged trajectory across all lenses could reduce poor developmental outcomes by as much as 70%., Conclusions: Exposure to disadvantage over time is associated with adverse child development outcomes. Developmental outcomes varied with the aspects of disadvantage experienced, highlighting potential targets for more precise policy responses. The findings provide evidence to stimulate advocacy and action to reduce child inequities.

Background: Disadvantage rarely manifests as a single event, but rather is the enduring context in which a child's development unfolds. We aimed to characterize patterns of stability and change in multiple aspects of disadvantage over the childhood period, in order to inform more precise and nuanced policy development., Methods: Participants were from the Longitudinal Study of Australian Children birth cohort (n = 5107). Four lenses of disadvantage (sociodemographic, geographic environment, health conditions and risk factors), and a composite of these representing average exposure across all lenses, were assessed longitudinally from 0 to 9 years of age. Trajectory models identified groups of children with similar patterns of disadvantage over time for each of these lenses and for composite disadvantage. Concurrent validity of these trajectory groups was examined through associations with academic performance at 10-11 years., Results: We found four distinct trajectories of children's exposure to composite disadvantage, which showed high levels of stability over time. In regard to the individual lenses of disadvantage, three exhibited notable change over time (the sociodemographic lens was the exception). Over a third of children (36.3%) were exposed to the 'most disadvantaged' trajectory in at least one lens. Trajectories of disadvantage were associated with academic performance, providing evidence of concurrent validity., Conclusions: Children's overall level of composite disadvantage was stable over time, whereas geographic environments, health conditions and risk factors changed over time for some children. Measuring disadvantage as uni-dimensional, at a single time point, is likely to understate the true extent and persistence of disadvantage.

Background: Child health and developmental inequities exist in all countries. Comprehensive and robust concepts of disadvantage are fundamental to growing an evidence base that can reveal the extent of inequities in childhood, and identify modifiable leverage points for change. We conceptualise and test a multidimensional framework of child disadvantage aligned to a social determinants and bioecological perspective., Methods: The Longitudinal Study of Australian Children is a nationally representative sample of two cohorts of Australian children, including the birth cohort of 5107 infants, which commenced in May 2004. The analysis focused on disadvantage indicators collected at age 4-5 years. Confirmatory factor analysis was used to test a theoretically informed model of disadvantage. Concurrent validity was examined through associations with academic performance at 8-9 years., Results: The model comprising four latent factors of sociodemographic (10 indicators), geographical environments (three indicators), health conditions (three indicators) and risk factors (14 indicators) was found to provide a better fit for the data than alternative models. Each factor was associated with academic performance, providing evidence of concurrent validity., Conclusion: The study provides a theoretically informed and empirically tested framework for operationalising relative child disadvantage. Understanding and addressing inequities will be facilitated by capturing the complexity of children's experiences of disadvantage across the multiple environments in which their development unfolds., Competing Interests: Competing interests: None declared., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)

Growing concern about the global burden of child mental health disorders has generated an increased interest in population-level efforts to improve child mental health. This in turn has led to a shift in emphasis away from treatment of established disorders and towards prevention and promotion. Prevention efforts are able to draw on a substantial epidemiological literature describing the prevalence and determinants of child mental health disorders. However, there is a striking lack of clearly conceptualised and measurable positive outcomes for child mental health, which may result in missed opportunities to identify optimal policy and intervention strategies. In this paper, we propose an epidemiological approach to child mental health which is in keeping with public health principles and with the WHO definition of health, and which is grounded in current thinking about child development. Constructs such as competence offer the opportunity to develop rigorous outcome measures for epidemiological research, while broader ideas about ‘the good life’ and ‘the good society’ derived from philosophical thinking can enable us to shape policy initiatives based on normative ideas of optimal child mental health that extend beyond individuals and undoubtedly beyond the traditional boundaries of the health sector. [ABSTRACT FROM AUTHOR]

In this paper a framework is proposed for conceptualising 'fullest potential' towards which, according to the Convention on the Rights of the Child (CRC), children's education should be directed (Article 29). Children's development to their fullest potential is linked explicitly to their right to a standard of living adequate for their development (Article 27). The paper argues that focus on 'fullest potential' as a human rights issue exposes a tension between the rights of children, the obligations of parents to their children and the obligations of the state to support all children's development. [ABSTRACT FROM AUTHOR]

'Footprints in time', the Longitudinal Study of Indigenous Children (LSIC), has been developed to provide insights into how Indigenous children's early years affect their development. Socio-economic factors are at the core of many analyses of child development and well-being and this article provides a socio-economic profile of Indigenous families in the first wave of the LSIC. Utilising 12 indicators that are organised into three groups-primary carer, family income and financial stress-the article provides an extensive overview of the full range of socio-economic data available in the LSIC. The article examines whether, when taken together, the different indicators tell a consistent story. It finds that, broadly, they do. The article raises some issues about the reporting of certain government payments and highlights the importance of family size when looking at family income. The article concludes by pointing to the potential for future research that these data present. [ABSTRACT FROM AUTHOR]

The purpose of this paper is to consider how one might develop a definition of child poverty that is based on the Convention on the Rights of the Child (and the human rights treaties with which it is associated), but also draws on the development of poverty research in the social sciences. It focuses in particular on Article 27(1) of the Convention because of the Article's dual emphasis on an adequate standard of living as an input and a child's development as an outcome. Three perspectives in the social sciences - economic welfare, capabilities, and social exclusion - are compared in order to determine what they can contribute to this input- and outcome-based definition of child poverty. All are found to have advantages and disadvantages. The paper concludes that there are two challenges faced by researchers and policymakers: first, the construction of conversion factors used in the capability approach to link inputs to outcomes; and second, the adoption of national inequality-based standards for assessing indicators of child poverty, thus placing the onus on states to reduce child poverty through redistribution. [ABSTRACT FROM AUTHOR]

Early childhood interventions have the potential to reduce children's developmental inequities. We aimed to estimate the extent to which household income supplements for lower-income families in early childhood could close the gap in children's developmental outcomes and parental mental health. Data were drawn from a nationally representative birth cohort, the Longitudinal Study of Australian Children (N = 5107), which commenced in 2004 and conducted follow-ups every two years. Exposure was annual household income (0–1 year). Outcomes were children's developmental outcomes, specifically social-emotional, physical functioning, and learning (bottom 15% versus top 85%) at 4–5 years, and an intermediate outcome, parental mental health (poor versus good) at 2–3 years. We modelled hypothetical interventions that provided a fixed-income supplement to lower-income families with a child aged 0–1 year. Considering varying eligibility scenarios and amounts motivated by actual policies in the Australian context, we estimated the risk of poor outcomes for eligible families under no intervention and the hypothetical intervention using marginal structural models. The reduction in risk under intervention relative to no intervention was estimated. A single hypothetical supplement of AU$26,000 (equivalent to ∼USD$17,350) provided to lower-income families (below AU$56,137 (∼USD$37,915) per annum) in a child's first year of life demonstrated an absolute reduction of 2.7%, 1.9% and 2.6% in the risk of poor social-emotional, physical functioning and learning outcomes in children, respectively (equivalent to relative reductions of 12%, 10% and 11%, respectively). The absolute reduction in risk of poor mental health in eligible parents was 1.0%, equivalent to a relative reduction of 7%. Benefits were similar across other income thresholds used to assess eligibility (range, AU$73,329-$99,864). Household income supplements provided to lower-income families may benefit children's development and parental mental health. This intervention should be considered within a social-ecological approach by stacking complementary interventions to eliminate developmental inequities. • Income supplements provided to lower-income households may improve children's development. • Household income supplements may also be beneficial to parental mental health. • The absolute reduction in risk of poor outcomes ranged between 0.8% and 2.8%. • Household income supplements alone are insufficient to eliminate child inequities. • Stacking multiple complementary interventions over the life course is needed. [ABSTRACT FROM AUTHOR]