Melbourne School of Psychological Sciences - Research Publications

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    Factor structure of the Mini-Maternal Behavior Q-Sort and associations with infant attachment: Informing precision in research and intervention
    Booth, AT ; Greenwood, CJ ; Youssef, GJ ; McIntosh, JE ; Nguyen, T ; Letcher, P ; Edwards, B ; Hutchinson, DM ; Sanson, A ; Olsson, CA ; Macdonald, JA (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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    The lived experience of stress for parents in the context of COVID-19-related disruption
    Painter, FL ; Booth, AT ; Letcher, P ; Olsson, CA ; McIntosh, JE (WILEY, 2023-10)
    Abstract Objective This mixed methods study sought to explore the lived experience of stress for parents of young dependent children during COVID‐19 lockdowns in Australia. Background Public health restrictions implemented during the COVID‐19 pandemic disproportionately burdened parents as they balanced novel and competing role demands. Despite growing research on impacts to parent mental health, much less is known about parenting at the experiential level during this period. Method Data were derived from free‐text survey responses collected during 2020 in an Australian population cohort study and analyzed in a mixed methods approach focusing on descriptive phenomenology. Twenty‐eight parent accounts of either ‘extreme’ or ‘minimal’ stress experiences were subject to phenomenological analysis of the individual, interpersonal, and contextual factors associated with each stress category. Results Three themes defined ‘extreme’ stress experiences: inadequacy of resources to cope, perceived lack of control, and compounding stressors. Two themes characterized ‘minimal’ stress experiences: feeling well resourced to cope and the absence of significant disruption to everyday life. Conclusion Findings highlight three targets in particular: compounding stressors, family relationships, and gendered differences in parental stress. Implications Intervention efforts should focus on better resourcing parents experiencing accumulating stressors through provision of individual and relational support and by addressing the higher burden experienced by mothers compared with fathers across pandemic related lockdowns.
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    Parental history of positive development and child behavior in next generation offspring: A two-cohort prospective intergenerational study
    Letcher, P ; Greenwood, CJ ; McAnally, H ; Belsky, J ; Macdonald, JA ; Spry, EA ; Thomson, KC ; O'Connor, M ; Sligo, J ; Youssef, G ; McIntosh, JE ; Iosua, E ; Hutchinson, D ; Cleary, J ; Sanson, A ; Patton, GC ; Hancox, RJ ; Olsson, CA (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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    The Legacy of Mental Distress Following Physical Illness in Childhood: Findings From the Australian Temperament Project
    Olsson, CM ; Letcher, P ; Greenwood, CJ ; Moore, K ; Olsson, CA (OXFORD UNIV PRESS INC, 2023-01-12)
    OBJECTIVE: Childhood physical illnesses have been associated with heightened risk for mental health problems in adolescence and young adulthood; however, little is known about the natural history of this relationship. Here, we examine the nature of mental health adjustment to illness from diagnosis in childhood into adolescence and young adult life. METHODS: Data were drawn from a large population-based cohort. Parents reported whether their child had a physical illness at 5-6 and 7-8 years and whether they believed their child was so sick it was thought they might die. Depression and anxiety symptoms were reported by parents (for children 7-10 years) and self-reports (11-28 years). RESULTS: A total of 1,001 (56%) parents reported their child had a physical illness. Of these parents, 143 (8%) believed their child might die. Findings indicated there was some evidence of higher levels of depressive and anxious symptoms across late childhood and into early adolescence for those reporting a physical illness in childhood. A similar pattern was observed for those who were so sick it was thought they might die, although symptoms were elevated to a greater extent. CONCLUSION: Although physical illness in middle childhood is associated with higher levels of depressive and anxious symptoms, by early adolescence, these differences diminish, indicating a process of adaptation that persists into young adulthood. This suggests a potentially sensitive period of adjustment to illness for some, especially for children who it was feared might die. Additional psychosocial assessment and support may be warranted across the "acute" illness period.
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    Parenting Orientations in Young Adulthood: Predicting Timing of Parenthood and Quality of Postpartum Caregiving
    Macdonald, JAA ; Collins, S ; Greenwood, CJJ ; Youssef, GJJ ; Thomson, KCC ; Letcher, P ; Spry, EAA ; Olsson, CAA (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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    Association of adolescent and young adult depression and anxiety with perinatal mental health in fathers: Findings from an Australian longitudinal study
    Lowrie, N ; Le Bas, G ; Youssef, G ; Macdonald, JA ; Teague, S ; Rogers, A ; Sunderland, M ; Mattick, R ; Elliott, EJ ; Allsop, S ; Burns, L ; Najman, J ; Jacobs, S ; Olsson, CA ; Hutchinson, D (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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    The Role of Antenatal and Postnatal Maternal Bonding in Infant Development
    Le Bas, G ; Youssef, G ; Macdonald, JA ; Teague, S ; Mattick, R ; Honan, I ; McIntosh, JE ; Khor, S ; Rossen, L ; Elliott, EJ ; Allsop, S ; Burns, L ; Olsson, CA ; Hutchinson, D (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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    Better together: Advancing life course research through multi-cohort analytic approaches
    O'Connor, M ; Spry, E ; Patton, G ; Moreno-Betancur, M ; Arnup, S ; Downes, M ; Goldfeld, S ; Burgner, D ; Olsson, CA (ELSEVIER SCI LTD, 2022-09)
    Longitudinal cohorts can provide timely and cost-efficient evidence about the best points of health service and preventive interventions over the life course. Working systematically across cohorts has the potential to further exploit these valuable data assets, such as by improving the precision of estimates, enhancing (or appropriately reducing) confidence in the replicability of findings, and investigating interrelated questions within a broader theoretical model. In this conceptual review, we explore the opportunities and challenges presented by multi-cohort approaches in life course research. Specifically, we: 1) describe key motivations for multi-cohort work and the analytic approaches that are commonly used in each case; 2) flag some of the scientific and pragmatic challenges that arise when adopting these approaches; and 3) outline emerging directions for multi-cohort work in life course research. Harnessing their potential while thoughtfully considering limitations of multi-cohort approaches can contribute to the robust and granular evidence base needed to promote health and wellbeing over the life span.
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    Eating and Body Image Disturbances in Adolescence and Substance Use Throughout Young Adulthood: Findings from the Australian Temperament Project
    Linardon, J ; Greenwood, CJJ ; Macdonald, JAA ; Spry, EAA ; Wertheim, EHH ; Le Grange, D ; Letcher, P ; Olsson, CAA (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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    From adolescence to parenthood: a multi-decade study of preconception mental health problems and postpartum parent-infant bonds
    Macdonald, JA ; Greenwood, C ; Letcher, P ; Spry, EA ; McAnally, HM ; Thomson, K ; Hutchinson, D ; Youssef, GJ ; McIntosh, J ; Hancox, RJ ; Patton, GC ; Olsson, CA (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.