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The archetype of the self underlies the ego-complex at its root and source in the unconscious. None of these assigns to the self the role that I feel to be so essential in the syndrome. SP 50-52 sp In regard to the method of study of these processes of the archaic, unconscious psyche in psychosis, I find myself baffled as to how to set up anything like a scientific approach to the material. In this hypothesis the model is easy to visualize but difficult to understand in terms of experience; the self is seen in this case as the center of the total psychic organism, and the ego is subsumed within this totality as the center of the field of consciousness only, that is, of contents accessible to consciousness; between the two are the autonomous complexes, which are groupings of contents not accessible to ego-consciousness (Figure 1). Reconstitutive process in the psychopathology of the self1: The following paper by J.W. Perry is published with permission from the Annals of the New York Academy of the Sciences where it was first published in January 1962. The imagery I refer to is a whole class of symbolic representations of centrality and organization, of order and highest authority; I hope to demonstrate that in these we see representations of the self and processes that transform or reorganize the self in the unconscious psyche. [Extracted from the article]

Background: A wealth of evidence supports the important role high‐quality parent–child interactions play in children's early language acquisition. However, the impact on later language outcomes remains unclear. Aims: To examine the associations between responsive parental behaviours across the early years and child language outcomes at age 7 years with families from an Australian longitudinal cohort study (N = 1148, 50% female). Methods & Procedures: At child ages 12, 24 and 36 months, parents completed a self‐report measure of responsive parental behaviours. Child language was directly assessed at age 7 using the Clinical Evaluation of Language Fundamentals, 4th edition (CELF‐4), Australian Standardisation. Linear regression was used to examine associations between responsive parental behaviours from 12 to 36 months (consistently high, inconsistent and consistently low responsive parental behaviours at the three time points) and language scores at age 7 years. Adjusted models were run, including the following potential confounders: child sex; birth weight; birth order; maternal education; socio‐economic disadvantage; non‐English‐speaking background; family history of speech–language problems; mother's vocabulary score; maternal mental health score; and mother's age at birth of child. A final adjusted model was run, including the potential confounder variables as well as adjusting for children's earlier language skills. Outcomes & Results: Linear regression results showed children with parents who rated high on responsive parental behaviours at all three time points had higher mean language scores at age 7 than children whose parents reported low responsive parental behaviours across early childhood. This association attenuated after adjusting for earlier child language skills. Conclusions & Implications: Findings support the consistent use of responsive parental behaviours across the very early years of childhood to support long‐term language outcomes. Findings also suggest that models of surveillance and support which monitor and assist families at multiple time‐points over the early years are likely to be most effective for preventing ongoing language difficulties. WHAT THIS PAPER ADDS: What is already known on this subject: There is extensive evidence consistently demonstrating the important contribution of aspects of parent–child interaction, specifically responsive parental behaviours, to children's language development. What this paper adds to the existing knowledge: Understanding the cumulative benefit of responsive parent–child interactions across the very early years may help to inform preventive interventions and service delivery models for supporting young children's language development. This study demonstrates in a large, population‐based cohort the contribution of consistency of responsive parental behaviours during infancy and toddlerhood to school‐age language outcomes, accounting for other child, family and environmental factors. Capturing regular parent behaviours via self‐report during the early years may be a more efficient and less costly method than parent–child interaction observations to monitor the home language‐learning environment during routine developmental checks. What are the potential or actual clinical implications of this work?: Findings support the need for surveillance of children and families in the early years, ensuring that intervention occurs when families need it most, that is, support is responsive to changing needs and that nuanced advice and support strategies are provided to activate positive developmental cascades. Capturing both parent behaviours and child language may assist clinicians to identify those families who may benefit from parent–child interaction intervention. [ABSTRACT FROM AUTHOR]

Background: Difficulties in language development are related to social and emotional problems, lower academic outcomes, and lower quality of life from childhood to adolescence. These grave consequences might be significantly reduced by timely identification and professional support. The introduction of systematic screening for language delay (LD) in 3‐year‐old children in Hungary was based on the recent adaptation of the MacArthur–Bates CDI‐III (HCDI‐III). Aims: To explore the relevant psychometric properties of the HCDI‐III; to identify factors characteristic of the families and children influencing language development at the age group under investigation; and to evaluate the adequacy of the tool for the purpose of screening LD in kindergarten at the age of 3 years. Methods & Procedures: The norming study of the HCDI‐III was conducted in a collaborative research project with the Metropolitan Pedagogical Services in Budapest. HCDI‐III parent report forms along with a demographic survey form were distributed to parents of all Hungarian‐speaking children between the ages of 2;0 and 4;2 without special education needs. The normative sample comprised data from 1424 children aged 2;0–4;2 with 51.1% boys and 48.9% girls. The data set contained information including language skills, basic demographics, birth conditions, health issues and socio‐economic status (SES). Outcomes & Results: In the HCDI‐III form, six outcome variables were created to cover the domains of expressive vocabulary, morphosyntax and language use. Statistical analyses revealed appropriate psychometric properties of five outcome variables that showed a normal distribution and were strongly correlated to age. Outcomes of girls were slightly (but significantly) higher on scales corresponding to vocabulary, syntax, language use and productivity. Most variables were highly correlated with one another even with age partialled out. Multiple regression analyses revealed significant effect of age, gender and parental education on all main outcome variables. Neither one of the other eight predictors, including familial and birth‐related factors, affected linguistic outcomes in our sample. Conclusions & Implications: The results are consistent with the majority of Communicative Development Inventory (CDI) studies, and support the psychometric eligibility of the instrument for screening purposes between 30 and 50 months. As certain regions of Hungary are characterised by a high prevalence of low‐SES families, more research is needed to adapt the screening procedure and subsequent measures to their needs. What this paper adds: What is already known on the subject: Difficulties in language development are related to lower social and academic outcomes and lower quality of life from childhood to adolescence. These grave consequences might be significantly reduced by timely identification and professional support. Structured parent report forms such as the MacArthur–Bates CDI are widely accepted methods for screening children with LD. What this paper adds to existing knowledge: This study reports the Hungarian adaptation and norming of the CDI‐III form. Statistical analyses revealed appropriate psychometric properties of most of its sections. Language outcomes were affected by age, gender and parental education on all main outcome variables in children between 2 and 4 years of age. What are the potential or actual clinical implications of this work?: The results support the psychometric eligibility of the HCDI‐III instrument for screening purposes. The introduction of the screening procedure in clinical practice is expected to improve early support of children with language difficulties and reduce risks of developmental problems related to language disorders. [ABSTRACT FROM AUTHOR]

Motivated by the growing prominence of fertility incentivisation and long‐term child development in European family policymaking, this paper examines the distribution of financial support for parents over the course of childhood and between birth orders in Europe. We use the term 'older‐oriented age bias' to refer to support that is more generous for older children and the term 'younger‐oriented age bias' for more generous support for younger children. Similarly, we refer to distribution patterns tilted towards later birth orders as 'later‐oriented parity bias' and to those that favour earlier birth orders as 'earlier‐oriented parity bias'. Based on a list of four classical policy functions of financial support for parents (child cost compensation, fertility incentivisation, child poverty reduction, and child development), we formulate six (sets of) hypotheses for the age and parity distribution of financial support for parents. To assess these distribution patterns, we examine monthly financial support (allowance‐ and tax‐based) for the first four birth orders at child ages 2, 9, and 17 in low‐income and middle‐income households across 28 European countries as of January 2021. We find that European welfare states typically provide more generous support for younger children, while the support distribution in terms of birth orders depends on pre‐support household income. We also find considerable cross‐country heterogeneity, with fertility incentivisation and (especially) child development being reflected by more countries than child cost compensation and poverty reduction. Our analysis sheds light on previously underexplored trends and implications in the design of financial support for parents in Europe. [ABSTRACT FROM AUTHOR]

Background: Atopic dermatitis and food allergy are two frequently concomitant manifestations of the presence of atopy. A substantial number of studies have been published on the association of birth order and sibship size (number of siblings) with atopic dermatitis, food allergy, and atopy. The present work is the first systematic synthesis of the existing literature on this topic. Methods: Fifteen databases were searched. Screening, data extraction, and quality assessment were performed by independent pairs. Comparable numerical data were statistically synthesized using random‐effects robust variance estimation. Results: In total, 114 studies were included out of 8819 papers obtained from database searches. Birth order ≥2 versus 1 was associated with lower risk of ever atopic dermatitis (pooled risk ratio [RR] 0.91, 95% CI 0.84–0.98), current food allergy (RR 0.77, 95% CI 0.66–0.90), and positive skin prick test (SPT) to common aeroallergens (RR 0.86, 95% CI 0.77–0.97). Sibship size ≥2 versus 1 was associated with decreased risk of current atopic dermatitis (RR 0.90, 95% CI 0.83–0.98), ever atopic dermatitis (RR 0.92, 95% CI 0.86–0.97), and positive SPT to common aeroallergens (RR 0.88, 95% CI 0.83–0.92). No putative associations were seen regarding atopy assessed through allergen‐specific immunoglobulin E with common allergens. Conclusion: The presence of siblings and being second‐born or later may decrease the lifetime risk of atopic dermatitis and food allergy, albeit marginally. Similar association was seen with SPT sensitization. However, significant protection was not found for IgE sensitization. [ABSTRACT FROM AUTHOR]

Background: There is much interest in how the length of the previous birth interval affects various child outcomes, and it has become increasingly common to estimate such effects from sibling models. This is because one then controls for unobserved determinants of the outcome that are shared between the siblings and linked to the birth interval length. However, it is a common idea that such effects can only be estimated from data on families with three or more children. Objective: The goal of this paper is to show, through an intuitive argument and a simulation experiment, that it is possible to estimate effects of birth interval only from families with two children. Methods: Observations are simulated from two equations for fertility and one equation for child mortality. The fertility equations include a random term that is assumed to be correlated with the random term in the mortality equation. Mortality models are then estimated from the simulated observations. This is done 1000 times, and the averages of the 1000 sets of estimates are calculated. Results: The simulation experiment illustrates that it is indeed possible (by using a model specification that takes into account that no birth interval is defined for the first birth) to estimate birth interval effects in sibling models even when the data include only families with two children. Conclusion: It is good news that families with only two children can contribute to the estimation of birth interval effects. This is because, with a broader basis for the estimation, the precision is improved and there is less reason for concern about the general relevance of the estimates. An important limitation, however, is that it is potentially problematic to control for maternal age in a sibling model estimated only for the first and second child. [ABSTRACT FROM AUTHOR]

We show that changes in birth order during the U.S. baby boom can explain a substantial share of the decline and recovery in college completion among cohorts born between 1946 and 1974. Combining birth order effects estimated using the Health and Retirement Survey and birth order data from Vital Statistics, we estimate that changes in birth order can explain about 20% of the decline in white male college completion rates among the 1946–60 cohorts, and about one third of the rebound among the 1960–74 cohorts. [ABSTRACT FROM AUTHOR]

This paper explores the properties of the notions of A‐efficiency and P‐efficiency, which were proposed by Golosov et al.. (2007), to evaluate allocations in a general overlapping generations setting in which fertility choices are endogenously selected from a continuum and any two agents of the same generation are identical. First, we show that the properties of A‐efficient allocations vary depending on the criterion used to identify potential agents. If one identifies potential agents by their position in their siblings' birth order, as Golosov, Jones, and Tertilt do, then A‐efficiency requires that a positive measure of agents use most of their endowment to maximize the utility of the dynasty head, which, in environments with finite‐horizon altruism, implies that some agents—the youngest in every family—obtain an arbitrary low income to finance their own consumption and fertility plans. If potential agents are identified by the dates in which they may be born, then A‐efficiency reduces to dynastic maximization, which, in environments with finite‐horizon altruism, drives the economy to a collapse in finite time. To deal with situations like those arising in economies with finite‐horizon altruism, in which A‐efficiency may be in conflict with individual rights, we propose to evaluate the efficiency of a given allocation with a particular class of specifications of P‐efficiency for which the utility attributed to the unborn depends on the utility obtained by their living siblings. Under certain concavity assumptions on value functions, we also characterize every symmetric, P‐efficient allocation as a Millian efficient allocation, that is, as a symmetric allocation that is not A‐dominated—with the birth‐order criterion—by any other symmetric allocation. [ABSTRACT FROM AUTHOR]

This paper investigates whether child nutrition inequalities are attributable to differences between households or differences within households in Malawi. Child nutrition is measured using height-for-age z-scores. The empirical analysis uses the 2006 Multiple Indicator Cluster Survey data. We find evidence of within household nutritional differences along gender, age and birth order lines in Malawi. The results for rural and urban areas as well as religious groups show that nutrition inequalities largely stem from differences within households. Both intrahousehold and interhousehold nutrition inequalities are unexplained by observable factors. [ABSTRACT FROM AUTHOR]

Abstract: This paper examines the gendered roles of sibling position and network‐derived social capital in Mexican and Senegalese international migration. We investigate how men's and women's migration decisions are associated with their position within the nuclear family before and after accounting for nuclear family migrant networks. Crucially, we also estimate how sibling network “effects” are gendered. We analyse 2 comparable household surveys in very distinct settings where family obligations may vary: the Mexican Migration Project (1998–2012) and the Migration between Africa and Europe–Senegal project (2008). Using discrete‐time event history analysis, we find that—without controls for nuclear family migrant networks—younger siblings in Mexico appear more likely to migrate than their older counterparts, whereas the opposite is true in Senegal. After we control for family migrant networks, however, older siblings in both countries and of both sexes are more likely to migrate. Despite these commonalities, migrant sibling networks appear to be gendered differently in the 2 countries. Although Mexican men are most influenced by migrant brother networks and Mexican women are most influenced by sister networks, evidence for Senegal is mixed and destination‐dependent. Brother networks motivate Senegalese men's and women's migration to Europe, whereas nearly all sibling networks, regardless of gender, influence Senegalese migration within Africa. [ABSTRACT FROM AUTHOR]

This paper introduces a concept of inequality comparisons with ordinal bivariate categorical data. In our model, one population is more unequal than another when they have common arithmetic median outcomes and the first can be obtained from the second by correlation-increasing switches and/or median-preserving spreads. For the canonical 2 × 2 case (with two binary indicators), we derive a simple operational procedure for checking ordinal inequality relations in practice. As an illustration, we apply the model to childhood deprivation in Mozambique. [ABSTRACT FROM AUTHOR]

This paper examines gender bias in the parental education-child status link using data from urban Ethiopia. Gender bias is defined here, specifically, as the differential impact of a parent's education on a child's status depending on the gender of the parent vis-à-vis the child. Children's status is measured by school enrolment and participation in market work. Results from a basic model point to same-gender bias - father-son, mother-daughter in school enrolment and father-son in market work. In an extended model, results show that father-son bias in market work may be particularly pertinent for middle- to later-born children. Policy interventions should be mindful of such differential effects, particularly if the aim is to address persistent gender disparities in children's status. [ABSTRACT FROM AUTHOR]

Partnering behavior is central to understanding fertility. Influential concepts, including singlehood, serial monogamy, and multiple‐partner fertility, are frequently used to analyze partnering and childbearing dynamics. These concepts are evoked to understand individual and population‐level patterns but are mainly analyzed at the individual level. We propose a measure for gauging the interplay between partnerships and childbearing at the population level, namely cohort fertility rates (CFR) as the sum of births under various partnership contexts. Surprisingly, demographers rarely measure and do not have a clear picture of the extent to which childbearing in different partnership contexts contributes to completed fertility. We analyze Finnish register data to decompose CFR into births across union status, union order, and reproductive partner order. Contrary to the discourse of partnering in the Nordics, births within first unions to first reproductive partners account for about two‐thirds of CFR. Births in higher‐order unions to first reproductive partners account for one‐fifth. Single births and births with higher‐order reproductive partners have a modest impact. This ranking holds across sex and educational level. We argue that the proposed measures offer a novel appraisal of population‐level implications of partnerships and childbearing dynamics and provide an opportunity to understand cross‐country variation in fertility patterns. [ABSTRACT FROM AUTHOR]

Previous studies explore the role of birth order in children's and adults' outcomes. This literature usually provides evidence of disadvantage of children with higher birth order. A narrow strand of this literature explores the association between birth order and old‐age mortality. This study re‐visits the birth‐order‐longevity relationship using US data. We employ Social Security Administration death records between the years 1988 and 2005 linked to the 1940 full‐count census and implement family fixed effect strategy to compare within‐sibling differences in the outcome. The findings suggest that later‐born children live, on average, 1–3 fewer months of life. The observed associations are exclusively concentrated among whites. However, the results do not point to significant heterogeneity based on family socioeconomic status, maternal education, and gender. Additional analyses suggest that higher birth order is associated with negative early educational outcomes. [ABSTRACT FROM AUTHOR]

Supportive family relationships may mitigate the impact of the Covid19 pandemic on young children's adjustment, but existing work is limited by its focus on within‐country variation and parental influences. Addressing these gaps, and drawing on reported buffering effects of older siblings on child mental health (Lawson and Mace, 2010), the current international study examined whether child adjustment problems were, on average, elevated by the pandemic and whether this buffering effect of older siblings would be maintained. In the first wave of the Covid19 pandemic (April to July 2020), 2516 parents of 3‐ to 8‐year‐old children living in Australia, China, Italy, Sweden, United Kingdom, and United States of America—six countries with contrasting governmental responses to the pandemic—completed an online survey about family experiences and relationships and child adjustment, as indexed by ratings on the Strengths and Difficulties Questionnaire (SDQ: R. Goodman, 1997). As expected, child SDQ total difficulty scores were elevated in all sites except Sweden (which notably did not enforce mass school closures). Compared to children without siblings, children with one or more older siblings showed fewer adjustment problems. Children from lone‐parent households displayed more adjustment problems, as did those whose parents reported increased sibling conflict. Finally, child adjustment problems were negatively associated with family socio‐economic status, but positively related to the indices of Covid‐19 family disruption and government stringency. We discuss these findings in relation to existing work on asymmetric effects of older versus younger siblings, and siblings as sources of support. [ABSTRACT FROM AUTHOR]

This study examines how birth order affects intergenerational income mobility (IGM) in Japan, focusing on the difference in IGM between firstborn and later‐born children. The elasticities of sons' income with respect to fathers' income are separately estimated for sons who are firstborn and sons who are later born by family size using a two‐sample, two‐stage least squares approach. For sons born in 1926–1981, this study finds that in families with four or more children, intergenerational income elasticity (IGE) for firstborn sons is substantially and significantly higher than that for later‐born sons. However, no significant birth order effects are found in households with two or three children. [ABSTRACT FROM AUTHOR]

Wasting is one of the symptoms of malnutrition that has been connected to the deaths of malnourished children. This study was intended to explain the effect of socio‐demographic and economic factors on under‐5 wasting by evaluating their conditional effect across the distribution of weight‐for‐height Z (WHZ) scores using the quantile regression (QR) model. The weighted sample which included 13,680 children under 5 years was taken from the countrywide Egyptian DHS 2014 survey. The results depicted that about 2% of Egyptian children were severely wasted, with the prevalence of wasting being around 8%. It was discovered that across the WHZ distribution, the child's features, maternal characteristics, father's education, and social factors had significant but varied contributions in explaining the wasting status of under‐5 children. It was revealed that female children had a significant weight advantage, notably 0.21 standard deviation (SD) higher weight at the 95th quantile over their male counterparts. The WHZ score was also found to be significantly positively associated with both age and household's wealth status at the lower and upper tails of the WHZ distribution, respectively. Moreover, in comparison with children whose mothers were underweight, those whose mothers were normal or overweight had higher WHZ scores, with a 1.45 SD increase in WHZ scores at the 95th quantile for mothers who were normal weights. Furthermore, the children who were breastfed, whose mothers received antenatal care (ANC) services, and/or who had educated parents had an advantage in terms of WHZ scores than their counterparts. In addition, the children with higher birth order and/or who resided in urban areas had weight disadvantages compared to their counterparts. Therefore, in order to improve children's nutritional status and achieve the Sustainable Development Goals (SDGs) by 2030, the government and public–private owner organizations must work together at the community level focusing on vulnerable groups. [ABSTRACT FROM AUTHOR]

We investigate within‐family inequalities in human capital accumulation in India. Indicators of the children's current stock of human capital and of investment into their continued human capital accumulation are analyzed, distinguishing between time investments and pecuniary investment into school quality. We employ a within‐family model using sibship fixed effects, and find mostly negative birth order effects; that is, earlier‐born children are better off. However, for time investments there is a tendency toward more positive birth order effects, especially in poor and large families. This suggests that that opportunity cost of child time matters; in poor and large families the older, more productive, siblings often need to work. The most plausible explanation for negative birth order effects in general is resource dilution at an early age. Older siblings were only children at an early age, and therefore benefited from more parental resources. [ABSTRACT FROM AUTHOR]

Objectives: The goal of the present research is to establish for the first time a hierarchy of sociodemographic factors according to their importance influencing birth seasonality. Methods: We used Vital Statistics data on all births registered in Spain in the period 2016–2019. Differences in the degree of seasonality between sociodemographic groups (defined by maternal age, maternal marital status, maternal education, birth order, maternal job qualification, maternal employment status, maternal location population size, and maternal country of birth) were first examined with descriptive techniques. Secondly, analysis through alternative Data Mining techniques determined the association between sociodemographic factors and birth seasonality and the factors importance rank. Results: Those factors related to maternal labor status (employment status, job qualification, and education) were found to be the most relevant influencing birth seasonality. It was found that the overall seasonal pattern in Spain was driven by lower skilled employed mothers, in contrast with not employed or high skilled employed mothers, who showed a different or weaker seasonality. Finally, we found that a change in the rhythm pattern has taken place in the last decades in Spain. Conclusions: Birth seasonality is to a large extent related to maternal employment status. Employed mothers, normally more affected by the seasonality of work calendar than the unemployed, show higher conception rates structured around holidays. This may indicate that the observed change of seasonal pattern in Spain in the last decades, as in other European countries, may be specifically driven by the progressive higher participation of women in labor market. [ABSTRACT FROM AUTHOR]

Background and Aims: Essential newborn care (ENC) practices play an important role in reducing the risk of infant mortality and morbidity. Therefore, more studies are needed on ENC practices. Skilled maternal healthcare can be a good strategy to increase the practice. Learn about the independent and joint effects of skilled maternal healthcare during pregnancy and childbirth on newborn care practices. Methods: The study used a cross‐sectional data obtained from Bangladesh Multiple Indicator Cluster Survey, 2019. To investigate the association between maternal healthcare utilization and good ENC practice (cord care, delayed bathing, and immediate breast‐feeding), χ2 test and t‐test in bivariate and binary logistic regression analysis, respectively have been performed after taking into account complex survey design. Results: Only about 24% (95% confidence interval [CI]: 22.95%–25.89%) women given birth at home in rural Bangladesh followed good newborn care practice. The results obtained from adjusted regression analysis showed that a woman was 24%, 49%, and 75% more likely of having good ENC practice if she received four or more skilled checkups during antenatal period only (adjusted odds ratios [AOR]: 1.24, 95% CI: 0.97, 1.60), received assistance from SBA during delivery only (AOR: 1.49, 95% CI 1.12, 1.97) and received skilled healthcare in both pregnancy and delivery (AOR: 1.75, 95% CI 1.13, 2.71), respectively compared to a woman who did not get an opportunity to receive skilled healthcare during pregnancy and delivery. Among the selected confounders, maternal age at birth, birth order, education of household heads and religion showed a significant association with good ENC practice. Conclusion: The study revealed that proper maternal healthcare during pregnancy and childbirth from skilled health personnel can improve the rate of ENC practices. For this, more training programs should be started, especially at the community level, and health promotion activities are needed to create awareness about efficient maternal healthcare practices. [ABSTRACT FROM AUTHOR]

4 Guedj R, Lorrot M, Lecarpentier T, Leger PL, Corvol H, Carbajal R. Infant bronchiolitis dramatically reduced during the second French COVID-19 outbreak. A German study of 1,338 siblings showed that birthweight increased with birth order, despite decreasing maternal weight gain during pregnancy.1 Bohn et al conclude that birth order must be considered a potential risk factor for higher birth weight. GLO:44C/01apr21:apa15809-fig-0003.jpg PHOTO (COLOR): . gl Extremely premature infants, scarce healthcare resources and the covid-19 pandemic Concerns have been raised that redistributing healthcare resources during the COVID-19 pandemic may jeopardise the treatment of very preterm infants. [Extracted from the article]

Hatching/birthing asynchrony, when siblings emerge at least 12 h apart, is thought to be a significant driver of phenotypic variation and group cohesion that is commonly reported in invertebrates and birds, but rarely in squamates. We examined birthing asynchrony in African cordylid lizards (Cordylidae), a clade characterized by a wide range of sociality (a hypothesized evolutionary driver of this unique phenomenon). We monitored parturition from wild‐caught mothers from four species, which vary in their conspecific grouping behaviour. In two species, most litters were born asynchronously, over a maximum of 3–4 days respectively. The other two cordylids also exhibited asynchronous birth in all litters with more than one offspring, although this was not applicable for most litters because there was a prevalence of singleton litters. Our study uncovered birthing asynchrony in a novel taxonomic group, which suggests it evolved convergently in at least two social lizard clades from different continents. Furthermore, the function of birthing asynchrony and limiting litter size to a single offspring may be similar in social animals. We discuss the potential significance of this rare phenomenon in this disparate taxon, and compare it with other more well‐studied taxa, in order to guide future research directions. [ABSTRACT FROM AUTHOR]

This study explores the effect of CEO birth order on corporate innovation. Using hand‐collected data, we find that firms led by firstborn CEOs are less innovative. This finding survives a number of robustness checks. When firms are more risky, non‐state‐owned or less financially constrained, the association between birth order and innovation is stronger, suggesting that the negative impact of firstborn CEOs is larger when their innovative personality is more demanding or influential. Meanwhile, firstborn CEOs have larger impact on corporate innovation when they are born in cities where Confucian culture are more influential or grow up in a low‐income family, consistent with our argument that sibling competition makes firstborns less innovative. Overall, our results suggest that firstborn CEOs have negative effect on corporate innovation because they are less innovative intrinsically. [ABSTRACT FROM AUTHOR]

Gender disparities in child undernutrition and mortality in India have been a topic of interest for a long time, but little is known on trends or geographic variability in recent periods. We examined the degree to which historic patterns in gender disparities in child undernutrition and mortality in India have persisted given recent progress in health and nutrition. Using two nationally representative datasets from India between 2006 and 2016, we estimated mortality rates and stunting by gender and by birth order among children under 5 years old. We then tested for differences between boys and girls within each survey round for both national and state levels using bootstrapped standard errors, controlling for cluster and sampling weights. We found striking progress in child mortality and stunting in India between 2006 and 2016 for both boys and girls. Boys were more likely to die than girls during the first year of life. Girls had a higher risk of mortality between age 1 and 5 years than boys in 2006, but the improvements in survival eliminated this gender gap in 2016. For stunting, we found no gender difference in 2006, but girls had higher height‐for‐age Z‐scores (HAZ) and lower stunting than boys in 2016. Trends in gender gaps in mortality and stunting vary substantially by birth order and between states. Our findings indicate that improvements in mortality and nutritional status among girls have started to close gender disparities. Policy efforts to close gaps must stay the course in states that have made progress and be accelerated in states where disparities are still prominent. [ABSTRACT FROM AUTHOR]

Family background has a significant impact on family firms' strategies such as innovation investments. Going beyond prior studies that exclusively focus on how family governance and management factors determine research and development (R&D) investment decisions, this study investigates a family science factor: family firm owner's birth order, defined as the relative rank of the owner in terms of the age hierarchy among siblings in the family. Joining the family niche model of birth order and socioemotional wealth perspective, we propose that later‐born family firm owners tend to be risk‐takers and invest more in R&D projects compared with their earlier‐born counterparts. We further examine how the two other powerful decision‐makers within family firms (i.e., chairperson of the board and CEO) enable or constrain the owner's birth order–R&D investment relationship. We contend that the positive birth order impact on R&D investment is weaker when a family member is the chairperson of the board, while such a relationship is stronger in the presence of owner–CEO duality. We confirm our hypotheses using a sample of 605 firm‐year observations from Chinese‐listed family firms between 2006 and 2014. This study demonstrates the important impact of family science factors on innovation heterogeneities, which is understudied in the family firm innovation literature. [ABSTRACT FROM AUTHOR]

In this article, we append information from four cross‐sectional household surveys (Multiple Indictors Cluster Survey of the United Nations International Children's Emergency Fund) in Punjab, Pakistan, collected between 2007 and 2018 to create a data set of 140,000–150,000 child‐level observations. Using linear regression, we document a strongly negative birth‐order gradient in the nutritional status (measured as height‐for‐age z‐scores) of children below age 5, indicating a pattern of disinvestment in later‐born children that is even greater than that documented for poorer countries in sub‐Saharan Africa in an earlier study. Consistent with other empirical work in developing‐country contexts, girls have on average higher z‐scores than boys, but their advantage is lower in Pakistan than other countries outside of the South Asian region, and worryingly, the negative birth‐order gradient is steeper for girls than boys. Son‐biased fertility stopping rules and close‐birth spacing appear to play key roles in Pakistan; following the birth of daughters, parents reduce contraceptive use and breastfeeding (a natural birth control). Using an IV strategy based on the genders of the previously born children, we find that shortened intervals between births harm children's nutritional status, especially that of boys. [ABSTRACT FROM AUTHOR]

Objective: To assess, according to chorionicity, the perinatal outcome of twin pregnancy in which vaginal delivery is planned. Methods: JUMODA (JUmeaux MODe d'Accouchement) was a national prospective population‐based cohort study of twin pregnancies, delivered in 176 maternity units in France, from February 2014 to March 2015. In this planned secondary analysis, we assessed, according to chorionicity, the perinatal outcome of twin pregnancies, in which vaginal delivery was planned, that delivered at or after 32 weeks of gestation with the first twin in cephalic presentation. In order to select a population with well‐recognized indications for planned vaginal delivery, we applied the same exclusion criteria as those in the Twin Birth Study, an international randomized trial. Monochorionic twin pregnancies with twin‐to‐twin transfusion syndrome or twin anemia–polycythemia sequence were defined as complicated and were excluded. The primary outcome was a composite of intrapartum mortality and neonatal morbidity and mortality. Multivariable logistic regression models were used to control for potential confounders. Subgroup analyses were conducted according to birth order (first or second twin) and gestational age at delivery (< 37 or ≥ 37 weeks of gestation). Results: Among 3873 twin pregnancies, in which vaginal delivery was planned, that delivered at ≥ 32 weeks' gestation with the first twin in cephalic presentation, meeting the inclusion criteria of the Twin Birth Study, 729 (18.8%) were uncomplicated monochorionic twin pregnancies and 3144 (81.2%) were dichorionic twin pregnancies. The rate of composite intrapartum mortality and neonatal morbidity and mortality did not differ between uncomplicated monochorionic (27/1458 (1.9%)) and dichorionic (107/6288 (1.7%)) twin pregnancies when adjusting for conception by assisted reproductive technologies (adjusted relative risk, 1.07 (95% CI, 0.66–1.75)). No significant difference in the primary outcome was found between the groups on subgroup analyses according to birth order and gestational age at delivery. Conclusion: When vaginal delivery is planned, and delivery occurs at ≥ 32 weeks of gestation with the first twin in cephalic presentation, uncomplicated monochorionic twin pregnancy is not associated with a higher rate of composite intrapartum mortality and neonatal morbidity and mortality compared with dichorionic twin pregnancy. © 2020 International Society of Ultrasound in Obstetrics and Gynecology A video abstract of this article is available online here. [ABSTRACT FROM AUTHOR]

Previous research on sex ratio at birth (SRB) in India has largely relied on macro‐analysis of census data that do not contain the breadth of factors needed to explain patterns in SRB. Additionally, no previous research has examined the differentiation of factors associated with SRB across birth orders, a key determinant in societies affected by son preference. This study aims to fill these gaps using micro‐data related to 553,461 births occurring between 2005 and 2016 collected as part of the 2015–2016 National Family Health Survey. Analyses used multivariable logistic regressions stratified by birth order to examine associations with SRB at the national level. The SRB at birth order 1 was outside the biological normal limit, and generally increased with birth order. First births in households with wealth in the middle and richest quintiles, with mothers who desired a higher ideal number of sons than daughters, and in lower fertility communities had a higher probability of being male. Most SRB correlates were visible at birth orders 3 or higher. Programs and policies designed to address India's male‐skewed SRB must consider the diverse factors that influence SRB, particularly for higher order births. [ABSTRACT FROM AUTHOR]

A novel splice site mutation in the GTPBP2 gene was identified by whole‐exome sequencing in two siblings with microcephaly and progressive generalized muscular atrophy associated with hypotrichosis. [ABSTRACT FROM AUTHOR]

Key points: Many mammals are born with immature motor systems that develop through a critical period of postnatal development.In rodents, postnatal maturation of movement occurs from rostral to caudal, correlating with maturation of descending supraspinal and local spinal circuits.We asked whether development of fundamental electrophysiological properties of spinal motoneurons follows the same rostro‐caudal sequence.We show that in both regions, repetitive firing parameters increase and excitability decreases with development; however, these characteristics mature earlier in cervical motoneurons.We suggest that in addition to autonomous mechanisms, motoneuron development depends on activity resulting from their circuit milieu. Altricial mammals are born with immature nervous systems comprised of circuits that do not yet have the neuronal properties and connectivity required to produce future behaviours. During the critical period of postnatal development, neuronal properties are tuned to participate in functional circuits. In rodents, cervical motoneurons are born prior to lumbar motoneurons, and spinal cord development follows a sequential rostro‐caudal pattern. Here we asked whether birth order is reflected in the postnatal development of electrophysiological properties. We show that motoneurons of both regions have similar properties at birth and follow the same developmental profile, with maximal firing increasing and excitability decreasing into the third postnatal week. However, these maturative processes occur in cervical motoneurons prior to lumbar motoneurons, correlating with the maturation of premotor descending and local spinal systems. These results suggest that motoneuron properties do not mature by cell autonomous mechanisms alone, but also depend on developing premotor circuits. Key points: Many mammals are born with immature motor systems that develop through a critical period of postnatal development.In rodents, postnatal maturation of movement occurs from rostral to caudal, correlating with maturation of descending supraspinal and local spinal circuits.We asked whether development of fundamental electrophysiological properties of spinal motoneurons follows the same rostro‐caudal sequence.We show that in both regions, repetitive firing parameters increase and excitability decreases with development; however, these characteristics mature earlier in cervical motoneurons.We suggest that in addition to autonomous mechanisms, motoneuron development depends on activity resulting from their circuit milieu. [ABSTRACT FROM AUTHOR]

Purpose: To study associations between body size at birth and age‐related macular degeneration (AMD) in old age. Methods: The study sample consists of 1497 community‐dwelling individuals (56.1% women) aged 67–89 years with birth data and retinal data collected twice in old age 5 years apart. Birth data (weight, length, birth order) were extracted from original birth records. Digital retinal photographs were graded to determine AMD status. Data on covariates were collected at the baseline physical examination in old age. Multivariable regression analyses were used to study the association between birth data and AMD adjusting for known confounding factors, including birth year cohort effects. Results: The prevalence and 5‐year incidence of any AMD were 33.1% and 17.0%, respectively. Men and women born in 1930–1936 were significantly leaner and slightly longer at birth compared to those in earlier birth cohorts. There were no consistent associations between weight, length or ponderal index (PI) at birth and AMD in old age even when stratified by birth cohort. Age‐related macular degeneration (AMD) prevalence (39.8%) and 5‐year incidence (28.6%) were highest in individuals who were in the highest quartile of PI at birth and who were obese in old age. Conclusion: Body size at birth was not consistently associated with AMD in old age, suggesting that intrauterine growth might have little direct importance in the development of AMD in old age. It is possible that some yet unknown factors related to larger size at birth and obesity in old age may explain differences in the prevalence and incidence of AMD in the ageing population. [ABSTRACT FROM AUTHOR]

Ghana implemented the National Health Insurance Scheme (NHIS) in 2005 and introduced free maternal healthcare (FMH) into the scheme in 2008. These reforms aimed at improving the utilization of healthcare, especially for expectant mothers. Using data from the 2008 and 2014 Ghana Demographic and Health Surveys (GDHS) with a sample of 8,081, this study employed multivariate probit and conditional mixed process (CMP) estimators to analyze the NHIS enrolment and the use of facility‐based delivery services among expectant mothers within the context of Sustainable Development Goal 3 in Ghana. The influence of birth order on these policies has also been explored. Before and after analysis was used for the effect of the FMH on NHIS enrolment and the use of delivery services while CMP was used for the effect of NHIS on delivery services. It is concluded that higher birth order reduces the likelihood of NHIS enrolment and health facility delivery. Moreover, the FMH policy has improved both NHIS enrolment and facility‐based delivery. Finally, the NHIS policy proves to be a reliable factor to induce utilization of facility‐based delivery services. It is recommended that maternal health education at antenatal care visits should be enriched with potential consequences and complications associated with multiple births. The National Health Insurance Authority (NHIA) should provide registration desks for expectant mothers at health facilities. [ABSTRACT FROM AUTHOR]

This study utilized actor-partner interdependence modeling to examine the bidirectional effects of younger (Mage  = 18 months) and older siblings (Mage  = 48 months) on later empathy development in a large (n = 452 families), diverse (42% immigrant) Canadian sample. Controlling for parenting, demographic characteristics, sibling relationship quality, and within-child stability in empathic concern, both younger and older siblings' observed empathic concern uniquely predicted relative increases in the other's empathy over a period of 18 months. The strength of the partner effects did not differ by birth order. Sex composition moderated the younger sibling partner effect, whereas age gap moderated the older sibling partner effect. This study highlights the important role that siblings play in enhancing the development of care and concern for others. [ABSTRACT FROM AUTHOR]

Abstract: Ideal family size (IFS) is measured in social surveys to indicate unmet need for contraception and impending shifts in fertility behaviour. Whether exceeding IFS affects parental behaviour in ways that result in lower investments in child nutrition, well‐being, and educational attainment is not known. This study examines parental IFS and the association between exceeding stated ideals and child nutritional status in a high‐fertility, high‐mortality population in the Bolivian Amazon. Height‐for‐age z‐scores, weight‐for‐age z‐scores, weight‐for‐height z‐scores, stunting, haemoglobin, and anaemia status in 638 children aged 0–5 years are predicted as a function of birth order in relation to parental IFS, adjusting for household characteristics and mother and child random effects. Children of birth orders above paternal IFS experience higher weight‐for‐age z‐scores when living further away from the market town of San Borja, consistent with underlying motivations for higher IFS and lower human capital investment in children in more remote areas (β = .009, p = .027). Overall, we find no statistical evidence that birth orders in excess of parental ideals are associated with compromised child nutrition below age 2, a period of intensive breastfeeding in this population. Despite a vulnerability to nutritional deficiencies postweaning for children age 2–5, there was no association between birth order in excess of parental ideals and lower nutritional status. Further studies examining this association at various stages of the fertility transition will elucidate whether reported ideal or optimal family sizes are flexible as trade‐offs between quality and quantity of children shift during the transition to lower fertility. [ABSTRACT FROM AUTHOR]

While the birth of later‐born girls seems least welcome in India, where gender discrimination persists, birth order and sibling sex composition effects among surviving children are less known. The current study investigates whether later‐born girls are discriminated from their siblings once children survive up to primary school age in India. Examining the effects on test scores reveals that there is no negative later‐born effect for girls among surviving children. Instead, girls seem to be consistently at an advantage if they have elder sisters. Furthermore, gender bias among primary school age children is detected only in households of larger size. This implies that gender discrimination is severe in terms of survival, but once children survive up to primary school age they are treated equally. [ABSTRACT FROM AUTHOR]

Abstract: Background: In phenylketonuria (PKU), during weaning, it is necessary to introduce a second stage phenylalanine (Phe)‐free protein substitute (PS) to help meet non‐Phe protein requirements. Semi‐solid weaning Phe‐free PS have been available for >15 years, although no long‐term studies have reported their efficacy. Methods: Retrospective data from 31 children with PKU who commenced a weaning PS were collected from clinical records from age of weaning to 2 years, on: gender; birth order; weaning age; anthropometry; blood Phe levels; age commenced and dosage of weaning PS and Phe‐free infant L‐amino acid formula; natural protein intake; and issues with administration of PS or food. Results: Median commencement age for weaning was 17 weeks (range 12–25 weeks) and, for weaning PS, 20 weeks (range 13–37 weeks). Median natural protein was 4 g day−1 (range 3–11 g day−1) and total protein intake was >2 g kg−1 day−1 from weaning to 2 years of age. Children started on 2–4 g day−1 protein equivalent (5–10 g day−1 of powder) from weaning PS, increasing by 0.2 g kg−1 day−1 (2 g day−1) monthly to 12 months of age. Teething and illness adversely affected the administration of weaning PS and the acceptance of solid foods. Altogether, 32% of children had delayed introduction of more textured foods, associated with birth order (firstborn 80% versus 38%; P = 0.05) and food refusal when teething (80% versus 29%; P = 0.02). Conclusions: Timing of introduction of solid foods and weaning PS, progression onto more textured foods and consistent feeding routines were important in aiding their acceptance. Any negative behaviour with weaning PS was mainly associated with food refusal, teething and illness. Parental approach influenced the acceptance of weaning PS. [ABSTRACT FROM AUTHOR]

The article examines several factors influencing educational attainment in rural farming households in Papua New Guinea (PNG) including birth order and gender. It is noted that this study is based on fieldwork data collected on the land settlement schemes (LSS) in Hoskins and Bialla in West Britain Province (WNBP) and Popondetta in the Oro Province. The authors discuss topics including illiteracy among women, the Tuition Fee Free policy (TFF), and selective parental investment in education.

The article discusses fertility among descendants of immigrants in some European countries such as Great Britain, France, Germany, Belgium, Sweden, and Spain on the basis of childbearing patterns and birth order. Topics include migration and family policies, fertility dynamics, and influence of mainstream society on fertility behavior.

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Paternal postpartum depression may affect not only the mental health and wellbeing of fathers but their partners and children. We investigated the point and period prevalence of paternal postpartum depression and its association with factors measured during pregnancy in a regional longitudinal study in Nishio City, Aichi Prefecture, Japan, between December 1, 2012, and April 30, 2013. Data were collected once in pregnancy and five times in the first three months postpartum. The Edinburgh Postnatal Depression Scale was used to assess paternal depression, and data were collected in pregnancy on demographic and psychosocial factors. Of 215 fathers who returned at least one of the five postpartum assessments, 36 (17%) reported symptoms of depression in the first three months after birth. In logistic regression analyses, among a number of demographic and psychosocial characteristics that previously had been linked to paternal postpartum depression, only fathers' history of psychiatric treatment and depressive symptoms during pregnancy were associated with paternal depressive symptoms in the postnatal period. The results add to the growing body of evidence on prevalence of paternal postnatal depression and indicate that assessment and support for fathers are important starting in pregnancy. © 2016 Wiley Periodicals, Inc. [ABSTRACT FROM AUTHOR]

From a traditional viewpoint, fathers are seen as the main disciplinarian in the family. However, recent studies suggest that these traditional family role patterns may have changed. In this study, we observed discipline strategies of mothers and fathers toward their sons and daughters. Participants included 242 families with two children (1 and 3 years of age). Findings revealed that parental discipline varied by the age of the children, but that mothers disciplined their children more often than fathers. Fathers, conversely, showed more laxness in response to child non-compliance. Gender of the children was only related to physical interference, with mothers using more physical interference with boys than fathers, irrespective of birth order. Taken together, these findings highlight the importance of parent gender for parent-child interactions in early childhood, but also suggest that child age should be taken into account as important explanatory factors. [ABSTRACT FROM AUTHOR]

Background: We aim to explore the association of a severe congenital malformation (SCM) with postnatal family functioning and parents' separation/divorce and to examine if this association might be moderated by birth order of the child and parental level of education. SCM refers to malformations that, without medical intervention, cause handicap or death. Methods: Using the Quebec Longitudinal Study of Child Development, an ongoing populationbased birth cohort study initiated in 1998, we compared 1675 families of children with and without a SCM to identify if having a child with a SCM was associated with maternal perception of family functioning. We examined if an SCM was associated with parents' separation and examined parents' education level and birth order of the children to evaluate whether these factors had any moderating effect on the results. Results: There were no significant differences in family functioning between families with and without a SCM child at 5 and 17 months. At 5months, family functioning was significantly better (P = 0.03) for families with a SCM firstborn child than for families with a SCM child that is not firstborn. For parental separation, no significant differences were observed at 5 and 29months and 4 years. No significant moderating effects were observed for birth order and parental education on parental separation. Conclusions: Families of children with a SCM do not appear to be at higher risk of family dysfunction within the first 17 months after birth nor of parental separation within the first 4 years after birth. Family functioning tends to be worst in families where the child with SCM is the second or subsequent child born. [ABSTRACT FROM AUTHOR]

Background & Aims Early age at infection with Hepatitis B virus ( HBV) increases the risk of chronic infection. Moreover, early HBV infection may further independently increase the risk of hepatocellular carcinoma ( HCC) beyond its effect on chronicity. Methods The distribution of birth order, a proxy for mode and timing of HBV transmission, was compared in The Gambia between hepatitis B surface antigen ( HBsAg)-positive HCC cases recruited from hospitals ( n = 72) and two HBsAg-positive control groups without HCC: population-based controls from a community HBV screening ( n = 392) and hospital-based controls ( n = 63). Results HCC risk decreased with increasing birth order in the population-based case -control analysis. Using first birth order as the reference, the odds ratios were 0.52 (95% CI: 0.20-1.36), 0.52 (0.17-1.56), 0.57 (0.16-2.05) and 0.14 (0.03-0.64) for second, third, fourth and greater than fourth birth order respectively ( P = 0.01). A similar inverse association was observed in the hospital-based case -control comparison ( P = 0.04). Conclusions Compared to controls, HCC cases had earlier birth order, a proxy for young maternal age and maternal HBV viraemia at birth. This finding suggests that in chronic HBV carriers perinatal mother-to-infant transmission may increase HCC risk more than horizontal transmission. Providing HBV vaccine within 24 h of birth to interrupt perinatal transmission might reduce the incidence of HCC in The Gambia. [ABSTRACT FROM AUTHOR]

The objective of this study was to identify in low‐income Chilean children with normal birthweight which factors occurring during the prenatal period and the first year are associated with overweight (OW)/obesity at 7 years. The sample included 652 7‐year‐olds from a larger cohort study. We collected anthropometric data at 0, 12 and 84 months, maternal pre‐pregnancy and pregnancy characteristics, early feeding practices, number of siblings, birth order, breastfeeding, and timing of solid introduction information. We determined the residuals for z‐scores for body mass index (BMI) (BAZ), weight/age and height/age0–12 months, run univariate analysis (X2 or t‐test) and multivariate logistic analyses (stepwise approach); P < 0.05 was considered significant. We evaluated the goodness of fit of the model using the Hosmer–Lemeshow test and checked for overdispersion using the Pearson's X2. The odds of children being OW at 7 years increased if their mothers were OW before pregnancy, if born with a higher BAZ (increase of 18–74% per each additional unit of BAZ) and if their BAZ growth during the first year was higher (62–239% per each unit over the predicted BAZ increase). Higher birth order was protective (6–68% less risk for 2nd birth compared with 1st and 10–73% less for ≥3rd child). All other variables, including gender, were non‐significant (P > 0.1). In low‐income Chilean children with normal birth, four factors during the prenatal period and the first year were associated with OW at 7 years: pre‐pregnancy BMI, BMI at birth, BMI gain between 0 and 12 months, and birth order. [ABSTRACT FROM AUTHOR]

Background Associations of larger families with lower prevalences of hay fever, eczema and objective markers of allergic sensitization have been found fairly consistently in affluent countries, but little is known about these relationships in less affluent countries. Methods Questionnaire data for 210 200 children aged 6-7 years from 31 countries, and 337 226 children aged 13-14 years from 52 countries, were collected by Phase Three of the International Study of Asthma and Allergies in Childhood ( ISAAC). Associations of disease symptoms and labels of asthma, rhinoconjunctivitis and eczema were analysed by numbers of total, older and younger siblings, using mixed (multi-level) logistic regression models to adjust for individual covariates and at the centre level for region, language and national affluence. Results In both age groups, inverse trends ( P < 0.0001) were observed for reported 'hay fever ever' and 'eczema ever' with increasing numbers of total siblings, and more specifically older siblings. These inverse associations were significantly ( P < 0.005) stronger in more affluent countries. In contrast, symptoms of severe asthma and severe eczema were positively associated ( P < 0.0001) with total sibship size in both age groups. These associations with disease severity were largely independent of position within the sibship and national GNI per capita. Conclusions These global findings on sibship size and childhood asthma, rhinoconjunctivitis and eczema suggest at least two distinct trends. Inverse associations with older siblings (observations which prompted the 'hygiene hypothesis' for allergic disease) are mainly a phenomenon of more affluent countries, whereas greater severity of symptoms in larger families is globally more widespread. [ABSTRACT FROM AUTHOR]

Value conflicts appear when people experience struggles, doubts, and feelings of guilt when making food choices. This study aims to provide insight into value conflicts, which mothers may experience while providing snacks to their young children. Mothers are mainly responsible for providing the snacks their young children eat, making it a big responsibility for them as children's dietary behaviour tracks into adulthood. Possible value conflicts Dutch mothers (n = 136) experience while providing snacks to their 2‐ to 7‐year‐old children were investigated using food and motivation diaries and semi‐structured interviews. Differences between mothers' educational level, first versus not‐first child, and the differences in age of the children were taken into account. Results showed that the younger the children, the more value conflicts the mothers experienced. Mothers experienced most value conflicts when they provided snacks perceived as unhealthy. Six main value conflicts are elicited by this study, namely, conflicts between healthy and unhealthy snacks; conflicts between healthy and convenient snacks; conflicts related to providing snacks just before dinner; conflicts related to influence of others; conflicts when the child asks but the mother says "no"; and conflicts related to many unhealthy snacks at parties or visits. The insights gained in this study can be used for interventions to promote a healthier lifestyle, support the design of new snack products, and can give guidance for marketing challenges in global snack markets. [ABSTRACT FROM AUTHOR]