Melbourne School of Psychological Sciences - Research Publications
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ItemNo Preview AvailableFactor structure of the Mini-Maternal Behavior Q-Sort and associations with infant attachment: Informing precision in research and intervention(WILEY, 2023-03)We examined the factor structure of parental sensitivity to infants as assessed by the Mini-Maternal Behavior Q-Sort (Mini-MBQS), a 25-item short-form of the original 90-item MBQS. We aimed to: (1) identify latent factors of the Mini-MBQS; and (2) validate each factor by testing associations with infant attachment classifications. Data on parent-infant dyads (n = 313; 222 mothers with 281 children, 29 fathers with 32 children) were drawn from a three-generation Australian cohort study. Exploratory Factor Analysis and Exploratory Structural Equation Modelling examined the structure of the Mini-MBQS. Two latent Mini-MBQS factors were identified, requiring 8 of 25 original items: (1) Attention and Responsiveness and (2) Contingency in Interactions. Infants with insecure attachment classifications had parents with lower sensitivity across both factors relative to infants classified secure. In particular, infants with resistant attachment classifications had parents with notably low Contingency in Interactions scores. Infants with disorganised attachment classifications had parents with the lowest relative sensitivity across both factors, and in these dyads Attention and Responsiveness scores were especially low. Results provide an empirically derived factor structure for the Mini-MBQS. Two subscales, each with significant infant attachment associations, may improve precision in clinical intervention and research translation.
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ItemNo Preview AvailableParental history of positive development and child behavior in next generation offspring: A two-cohort prospective intergenerational study(WILEY, 2023-01)This study examined whether positive development (PD) in adolescence and young adulthood predicts offspring behavior in two Australasian intergenerational cohorts. The Australian Temperament Project Generation 3 Study assessed PD at age 19-28 (years 2002-2010) and behavior in 1165 infants (12-18 months; 608 girls) of 694 Australian-born parents (age 29-35; 2012-2019; 399 mothers). The Dunedin Multidisciplinary Health and Development Parenting Study assessed PD at age 15-18 (years 1987-1991) and behavior in 695 preschoolers (3-5 years; 349 girls) and their New Zealand born parents (age 21-46; 1994-2018; 363 mothers; 89% European ethnicity). In both cohorts, PD before parenthood predicted more positive offspring behavior (βrange = .11-.16) and fewer behavior problems (βrange = -.09 to -.11). Promoting strengths may secure a healthy start to life.
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ItemNo Preview AvailableParenting Orientations in Young Adulthood: Predicting Timing of Parenthood and Quality of Postpartum Caregiving(AMER PSYCHOLOGICAL ASSOC, 2023-04)Most but not all adults become parents, yet it remains unclear which characteristics indicate an orientation toward parenting. The aims of this study were to (a) distinguish profiles of individual and interpersonal resources in young adults that may orient them toward parenthood and (b) investigate whether profiles predicted timing of entering parenthood, postpartum parenting behavior, and parent-infant bonding. Participants were 1,429 young people (53% female) enrolled in an Australian 39-year longitudinal study. Predictor data for latent profile analysis were collected at 23-24 and 27-28 years. Parenthood timing was designated as "early" ≤ 25 years, "on-time" > 25 years, and "not a parent" by age 37 years. Parenting outcomes were assessed at 12 months postpartum in 684 parents of 1,144 children. Four-profile classes were identified: "connected" (n = 463, 32.4%), "constricted empathy" (n = 461, 32.3%), "insecure" (n = 343, 24%), and "disconnected" (n = 162, 11.3%). Connected young adults were characterized by close ties to family of origin and peers and by identity clarity and empathy. Connected participants were more likely than those in insecure and disconnected classes to be parents by 37 years and more likely to enter parenthood "on-time" compared to "early" parenthood in the constricted empathy class. Among those who became parents, the connected class reported the strongest bonds and warmest parenting and was least anxious or hostile in parenting their infants. Findings provide insights into preconception patterns among variables that together predict reproductive timing, postpartum bonding, and quality of parenting. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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ItemNo Preview AvailableAssociation of adolescent and young adult depression and anxiety with perinatal mental health in fathers: Findings from an Australian longitudinal study(PERGAMON-ELSEVIER SCIENCE LTD, 2022-12)The current study examined associations between preconception diagnoses of major depressive disorder (MDD) and anxiety disorders in adolescence and young adulthood and perinatal depression and anxiety symptoms in early fatherhood. In an Australian community cohort study of health and development, earlier history of MDD and anxiety disorders (extending back to adolescence) were assessed retrospectively in the third trimester of pregnancy via the Composite International Diagnostic Interview. Paternal perinatal depression and anxiety were then assessed prospectively over three timepoints (third trimester of pregnancy, 8 weeks and 12 months postpartum), using established cut-points on the Edinburgh Postnatal Depression Scale and the Depression Anxiety Stress Scales (anxiety subscale). Mixed-effects regression models examined risk associations between preconception diagnoses of MDD and anxiety disorders, and perinatal depression and anxiety symptoms at each timepoint, adjusting for socio-demographic factors and concurrent maternal mental health difficulties. The odds of clinically concerning levels of paternal perinatal depression and anxiety were 6-fold and 4-fold higher, respectively, in men with a preconception history of MDD. The odds of perinatal depression were 3-fold higher in men with a preconception history of an anxiety disorder. Less evidence was found for an association between preconception diagnoses of an anxiety disorder and perinatal anxiety in fathers. Interventions aimed at improving mental health in men during adolescence and young adulthood may promote continued psychological health in men during early fatherhood.
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ItemNo Preview AvailableThe Role of Antenatal and Postnatal Maternal Bonding in Infant Development(ELSEVIER SCIENCE INC, 2022-06)OBJECTIVE: The affectional bond experienced by a mother toward her developing fetus/infant has been theorized to be a critical factor in determining infant developmental outcomes; yet there remains a paucity of research in this area, and a lack of high-quality longitudinal studies. This study aimed to examine the extent to which mother-to-infant bonding predicted infant development in a multi-wave longitudinal pregnancy cohort study (N = 1,347). METHOD: Self-reported bonding was assessed using the Maternal Antenatal Attachment Scale at each trimester, and the Maternal Postnatal Attachment Scale at 8 weeks and 12 months postpartum. Infant development was assessed using the Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III) at 12 months. RESULTS: Bonding predicted indicators of infant social-affective development, including social-emotional, behavioral, and temperamental outcomes. Effect sizes ranged from small to moderate, increasing over the perinatal period (β = 0.11-0.27). Very small effects were also identified in the relationship between bonding and cognitive, language, and motor development (β = 0.06-0.08). CONCLUSION: Findings suggest that a mother's perceived emotional connection with her child plays a role in predicting social-affective outcomes; prediction may not extend to other domains of infant development. Maternal bonding may therefore be a potentially modifiable predictor of infant social-affective outcomes, offering important considerations for preventive intervention.
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ItemNo Preview AvailableEating and Body Image Disturbances in Adolescence and Substance Use Throughout Young Adulthood: Findings from the Australian Temperament Project(SPRINGER, 2023-01-01)Abstract We investigated whether eating and body image disturbances in mid-adolescence were associated with substance use in young adulthood. Participants (n = 1566) completed the drive for thinness, bulimic behavior, and body dissatisfaction subscales from the Eating Disorder Inventory during adolescence (15–16 years), and reported frequencies of substance use (tobacco, cannabis, binge drinking, other illicit substances) across young adulthood (19–20, 23–24, and 27–28 years). Adolescent body dissatisfaction was associated with a 10% increase in the rate of binge drinking and tobacco smoking, with effects being of similar magnitude in men and women, and across young adulthood. The association between bulimic behavior and tobacco smoking was strongest in the earlier years of young adulthood (19–20 years). Relationships between cannabis use, bulimic behavior, and body dissatisfaction were evident in men only. Findings highlight important targets for prevention programs, as well as focused monitoring efforts to identify individuals at risk of later substance use.
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ItemNo Preview AvailableFrom adolescence to parenthood: a multi-decade study of preconception mental health problems and postpartum parent-infant bonds(SPRINGER HEIDELBERG, 2022-03)PURPOSE: To examine associations between anxiety and depressive symptoms across adolescence and young adulthood with subsequent maternal- and paternal-infant bonding at 1 year postpartum. METHODS: The data were from a prospective, intergenerational cohort study. Participants (381 mothers of 648 infants; 277 fathers of 421 infants) self-reported depression and anxiety at three adolescent waves (ages 13, 15 and 17 years) and three young adult waves (ages 19, 23 and 27 years). Subsequent parent-infant bonds with infants were reported at 1 year postpartum (parent age 29-35 years). Generalised estimating equations (GEE) separately assessed associations for mothers and fathers. RESULTS: Mean postpartum bonding scores were approximately half a standard deviation lower in parents with a history of persistent adolescent and young adult depressive symptoms (maternal βadj = - 0.45, 95% CI - 0.69, - 0.21; paternal βadj = - 0.55, 95% CI - 0.90, 0.20) or anxiety (maternal βadj = - 0.42, 95% CI - 0.66, - 0.18; paternal βadj = - 0.49, 95% CI - 0.95, 0.03). Associations were still mostly evident, but attenuated after further adjustment for postpartum mental health concurrent with measurement of bonding. CONCLUSIONS: Persistent symptoms of depression or anxiety spanning adolescence and young adulthood predict poorer emotional bonding with infants 1-year postbirth for both mothers and fathers.
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ItemNo Preview AvailableLife course psychosocial precursors of parent mental health resilience during the COVID-19 pandemic: A three-decade prospective cohort study(ELSEVIER, 2023-08-15)BACKGROUND: There has been widespread interest in the implications of COVID-19 containment measures on the mental health of parents. Most of this research has focused on risk. Much less is known about resilience; yet such studies are key to protecting populations during major crises. Here we map precursors of resilience using life course data spanning three decades. METHODS: The Australian Temperament Project commenced in 1983 and now follows three generations. Parents (N = 574, 59 % mothers) raising young children completed a COVID-19 specific module in the early (May-September 2020) and/or later (October-December, 2021) phases of the pandemic. Decades prior, parents had been assessed across a broad range of individual, relational and contextual risk and promotive factors during childhood (7-8 years to 11-12 years), adolescence (13-14 years to 17-18 years) and young adulthood (19-20 years to 27-28 years). Regressions examined the extent to which these factors predicted mental health resilience, operationalised as lower than expected anxiety and depressive symptoms during the pandemic relative to pre-pandemic symptoms. RESULTS: Parent mental health resilience during the COVID-19 pandemic was consistently predicted by several factors assessed decades before the pandemic. These included lower ratings of internalizing difficulties, less difficult temperament/personality traits and stressful life events, and higher ratings of relational health. LIMITATIONS: The study included 37-39-year-old Australian parents with children age between 1 and 10 years. DISCUSSION: Results identified psychosocial indicators across the early life course that, if replicated, could constitute targets for long-term investment to maximise mental health resilience during future pandemics and crises.
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ItemParental personality and early life ecology: a prospective cohort study from preconception to postpartum(NATURE PORTFOLIO, 2023-02-27)Personality reliably predicts life outcomes ranging from social and material resources to mental health and interpersonal capacities. However, little is known about the potential intergenerational impact of parent personality prior to offspring conception on family resources and child development across the first thousand days of life. We analysed data from the Victorian Intergenerational Health Cohort Study (665 parents, 1030 infants; est. 1992), a two-generation study with prospective assessment of preconception background factors in parental adolescence, preconception personality traits in young adulthood (agreeableness, conscientiousness, emotional stability, extraversion, and openness), and multiple parental resources and infant characteristics in pregnancy and after the birth of their child. After adjusting for pre-exposure confounders, both maternal and paternal preconception personality traits were associated with numerous parental resources and attributes in pregnancy and postpartum, as well as with infant biobehavioural characteristics. Effect sizes ranged from small to moderate when considering parent personality traits as continuous exposures, and from small to large when considering personality traits as binary exposures. Young adult personality, well before offspring conception, is associated with the perinatal household social and financial context, parental mental health, parenting style and self-efficacy, and temperamental characteristics of offspring. These are pivotal aspects of early life development that ultimately predict a child's long-term health and development.
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ItemA study protocol for community implementation of a new mental health monitoring system spanning early childhood to young adulthood(BRISTOL UNIV PRESS & POLICY PRESS, 2023-07)Findings from longitudinal research, globally, repeatedly emphasise the importance of taking an early life course approach to mental health promotion; one that invests in the formative years of development, from early childhood to young adulthood, just prior to the transition to parenthood for most. While population monitoring systems have been developed for this period, they are typically designed for use within discrete stages (i.e., childhood or adolescent or young adulthood). No system has yet captured development across all ages and stages (i.e., from infancy through to young adulthood). Here we describe the development, and pilot implementation, of a new Australian Comprehensive Monitoring System (CMS) designed to address this gap by measuring social and emotional development (strengths and difficulties) across eight census surveys, separated by three yearly intervals (infancy, 3-, 6-, 9- 12-, 15-, 18 and 21 years). The system also measures the family, school, peer, digital and community social climates in which children and young people live and grow. Data collection is community-led and built into existing, government funded, universal services (Maternal Child Health, Schools and Local Learning and Employment Networks) to maximise response rates and ensure sustainability. The first system test will be completed and evaluated in rural Victoria, Australia, in 2022. CMS will then be adapted for larger, more socio-economically diverse regional and metropolitan communities, including Australian First Nations communities. The aim of CMS is to guide community-led investments in mental health promotion from early childhood to young adulthood, setting secure foundations for the next generation.