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Biomedical subjects

Jay Belsky

Publications and source records attributed to Jay Belsky.

16 recordsLinked to original sources
PubMed2006

Socioeconomic risk, parenting during the preschool years and child health age 6 years.

BACKGROUND: Parent child relationships and parenting processes are emerging as potential life course determinants of health. Parenting is socially patterned and could be one of the factors responsible for the negative effects of social inequalities on health, both in childhood and adulthood. This study tests the hypothesis that some of the effect of socioeconomic risk on health in mid childhood is transmitted via early parenting. METHODS: Prospective cohort study in 10 USA communities involving 1041 mother/child pairs, selected at birth at random with conditional sampling. EXPOSURES: income, maternal education, maternal age, lone parenthood, ethnic status and objective assessments of mother child interaction in the first 4 years of life covering warmth, negativity and positive control. OUTCOMES: mother's report of child's health in general at 6 years. Modelling: multiple regression analyses with statistical testing of mediational processes. RESULTS: All five indicators of socioeconomic status (SES) were correlated with all three measures of parenting, such that low SES was associated with poor parenting. Among the measures of parenting maternal warmth was independently predictive of future health, and among the socioeconomic variables maternal education, partner presence and 'other ethnic group' proved predictive. Measures of parenting significantly mediated the impact of measures of SES on child health. CONCLUSIONS: Parenting mediates some, but not all of the detectable effects of socioeconomic risk on health in childhood. As part of a package of measures that address other determinants, interventions to support parenting are likely to make a useful contribution to reducing childhood inequalities in health.

Analysis of Variance↗
PubMed2006

Neural correlates of the perception of goal-directed action in infants.

We investigated the neural correlates of the perception of human goal-directed action by 8-month-old infants. Infants viewed video loops of complete and incomplete actions, which they could discriminate according to our pilot study, while we recorded their electrophysiological brain activity. Analysis of bursts of gamma-band oscillations resulting from passive viewing of these stimuli indicated increased gamma-band activity over left frontal regions when viewing incomplete actions as compared with complete actions. These results suggest that by 8 months infants are sensitive to the disruption of perceived goal-directed actions.

Analysis of Variance↗
PubMed2006

Effects of Sure Start local programmes on children and families: early findings from a quasi-experimental, cross sectional study.

OBJECTIVE: To evaluate the effects of Sure Start local programmes (SSLPs) on children and their families. To assess whether variations in the effectiveness of SSLPs are due to differences in implementation. DESIGN: Quasi-experimental cross sectional study using interviews with mothers and cognitive assessment of children aged 36 months who speak English. SETTING: Socially deprived communities in England: 150 communities with ongoing SSLPs and 50 comparison communities. PARTICIPANTS: Mothers of 12,575 children aged 9 months and 3927 children aged 36 months in SSLP areas; mothers of 1509 children aged 9 months and 1101 children aged 36 months in comparison communities. OUTCOME MEASURES: Mothers' reports of community services and local area, family functioning and parenting skills, child health and development, and verbal ability at 36 months. RESULTS: Differences between SSLP areas and comparison areas were limited, small, and varied by degree of social deprivation. SSLPs had beneficial effects on non-teenage mothers (better parenting, better social functioning in children) and adverse effects on children of teenage mothers (poorer social functioning) and children of single parents or parents who did not work (lower verbal ability). SSLPs led by health services were slightly more effective than other SSLPs. CONCLUSION: SSLPs seem to benefit relatively less socially deprived parents (who have greater personal resources) and their children but seem to have an adverse effect on the most disadvantaged children. Programmes led by health services seem to be more effective than programmes led by other agencies.

Child Development↗
PubMed2006

When parents have a history of conduct disorder: how is the caregiving environment affected?

Individuals with early-emerging conduct problems are likely to become parents who expose their children to considerable adversity. The current study tested the specificity of and alternative explanations for this trajectory. The sample included 246 members of a prospective, 30-year cohort study and their 3-year-old children. Parents who had a history of conduct disorder were specifically at elevated risk for socioeconomic disadvantage and relationship violence, but suboptimal parenting and offspring temperament problems were common to parents with any history of disorder. Recurrent disorder, comorbidity, and adversity in the family of origin did not fully account for these findings. The cumulative consequences of early-onset conduct disorder and assortative mating for antisocial behavior may explain the long-term effects of conduct disorder on young adult functioning.

Adolescent↗
PubMed2006

Identifying risk for obesity in early childhood.

OBJECTIVES: Our aim with this study was to assist clinicians by estimating the predictive value of earlier levels of BMI status on later risk of overweight and obesity during the middle childhood and early adolescent years. METHODS: We present growth data from the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development, a longitudinal sample of 1042 healthy US children in 10 locations. Born in 1991, their growth reflects the secular trend of increasing overweight/obesity in the population. Height and weight of participating children in the study were measured at 7 time points. We examined odds ratios for overweight and obesity at age 12 years comparing the frequency with which children did versus did not reach specific BMI percentiles in the preschool- and elementary-age periods. To explore the question of whether and when earlier BMI was predictive of weight status at age 12 years, we used logistic regression to obtain the predicted probabilities of being overweight or obese (BMI > or = 85%) at 12 years old on the basis of earlier BMI. RESULTS: Persistence of obesity is apparent for both the preschool and elementary school period. Children who were ever overweight (> 85th percentile), that is, > or = 1 time at ages 24, 36, or 54 months during the preschool period were > 5 times as likely to be overweight at age 12 years than those who were below the 85th percentile for BMI at all 3 of the preschool ages. During the elementary school period, ages 7, 9, and 11 years, the more times a child was overweight, the greater the odds of being overweight at age 12 years relative to a child who was never overweight. Sixty percent of children who were overweight at any time during the preschool period and 80% of children who were overweight at any time during the elementary period were overweight at age 12 years. Follow-up calculations showed that 2 in 5 children whose BMIs were > or = 50th percentile by age 3 years were overweight at age 12 years. No children who were < 50th percentile for BMI at all points during elementary school were overweight at age 12 years. Children who have higher range BMIs earlier, but not at the 85th percentile, are also more likely to be overweight at age 12 years. Even at time points before and including age 9 years, children whose BMIs are between the 75th and 85th percentile have an approximately 40% to 50% chance of being overweight at age 12 years. Children at 54 months old whose BMIs are between the 50th and 75th percentile are 4 times more likely to be overweight at age 12 years than their contemporaries who are < 50th percentile, and those whose BMIs are between the 75th and 85th percentile are > 6 times more likely to be overweight at age 12 years than those < 50th percentile. CONCLUSIONS: The data from this study indicate that children with BMIs > 85th percentile, as well as with BMIs in the high reference range are more likely than children whose BMI is < 50th percentile to continue to gain weight and reach overweight status by adolescence. Pediatricians can be confident in counseling parents to begin to address the at-risk child's eating and activity patterns rather than delaying in hopes that overweight and the patterns that support it will resolve themselves in due course. Identifying children at risk for adolescent obesity provides physicians with an opportunity for earlier intervention with the goal of limiting the progression of abnormal weight gain that results in the development of obesity-related morbidity.

Adolescent↗
PubMed2005

Does time spent in child care influence risk for unintentional injury?

OBJECTIVE: To investigate the effect of quantity and quality of early child care on children's risk for unintentional injury. METHODS: A diverse cohort of 1,225 children was recruited from several sites in the United States and followed from birth until first grade. Quantity and quality of child care from birth until entry into kindergarten were used to predict unintentional injuries from age 6 months until first grade. Measures from an evaluation at 6 months of age were tested as covariates. RESULTS: Children who spent more time in nonparental childcare environments were at slightly reduced risk for unintentional injury after controlling for child (gender, temperament), family [socioeconomic status (SES)], parent (positive parenting), and child care (quality of care) characteristics. CONCLUSIONS: We discuss possible explanations for the results, including the possibilities that childcare center environments are safer than the homes of most preschoolers or that attendance in child care is nonrandom.

Child Care↗
PubMed2005

Disadvantaged but different: variation among deprived communities in relation to child and family well-being.

BACKGROUND: Disadvantaged communities are increasingly the target for interventions. Sure Start was launched in England in 1999 to tackle child poverty and improve child and family services, with Sure Start Local Programmes (SSLPs) targeted at relatively small areas of marked deprivation. However, they are located in a range of different types of communities where they may provide services to very different resident populations. They are all disadvantaged but underlying that label there are specific patterns of variability, relevant for service provision. To evaluate the implementation, impact, and cost-effectiveness of SSLPs, or other area-based initiatives, it is important to consider ways in which they can be grouped meaningfully according to these patterns. METHOD: Data were collected from administrative databases to describe SSLPs in terms of demography, deprivation, and aspects of child and family functioning and grouped using cluster analysis. RESULTS: Five different 'types' of SSLP community were identified, based on their socio-demographic and economic characteristics; typified by more, less or average deprivation in relation to all SSLPs, and in terms of the proportion of ethnic minority families resident in the areas. The groups differ in terms of community measures of child health, educational attainment, school disorder and child welfare and their prediction from demographic community characteristics. CONCLUSIONS: The groupings have implications for service delivery and the evaluation of area-based initiatives.

Adolescent↗
PubMed2004

Exploring marriage-parenting typologies and their contextual antecedents and developmental sequelae.

To identify types of families, latent-class analysis was applied to (reported) marriage and (observed) parenting measures obtained during the infancy, toddler, and/or preschool years for 828 two-parent families participating in the NICHD Study of Child Care. Five types of families were identified: Consistently Supportive (i.e., good parenting, good marriage, 15% of sample), Consistently Moderate (i.e., moderate marriage, moderate parenting. 43%), Consistently Risky (i.e., poor parenting, poor marriage, 16%), Good Parenting/Poor Marriage (19%), and Poor Parenting/Good Marriage (7%). When groups were compared in terms of contextual antecedents (measured at child age 1 month) and child cognitive-academic and socioemotional functioning in first grade, results indicated (a) that contextual risks increased linearly and children's functioning decreased linearly as one moved across the first three aforementioned groups; and after controlling for group differences in background factors (b) that children in the Good-Parenting/Poor-Marriage families outperformed those in the Poor Parenting/Good Marriage; (c) that there was evidence of "added value" developmentally when children experienced two sources of support (i.e., good marriage and good parenting) rather than just one (i.e., good marriage or good parenting); but (d) that there was only modest evidence of protective buffering whereby children experiencing just good parenting (but not just good marriages) outperformed children experiencing poor parenting and poor marriages. Results are discussed in terms of the relative influence of marriage and parenting on child development and the potential benefits of applying typological approaches to the study of marriage-parenting family subsystems.

Achievement↗
PubMed2004

Maternal personality and infants' neural and visual responsivity to facial expressions of emotion.

BACKGROUND: Recent investigations suggest that experience plays an important role in the development of face processing. The aim of this study was to investigate the potential role of experience in the development of the ability to process facial expressions of emotion. METHOD: We examined the potential role of experience indirectly by investigating the relationship between the emotional environment provided by mothers (as indexed by affective measures of their personality) and 7-month-olds' processing of emotional expressions (as indexed by visual attention and event-related potentials [ERPs]). RESULTS: For positive emotion, infants with highly positive mothers looked longer at fearful than happy expressions, and a subset of these infants who themselves also scored highly on positive temperament showed a larger negative central (Nc) component in the ERP to fearful than happy faces. For negative emotion, there were no detectable influences of maternal personality, although very fearful infants showed a larger Nc to fearful than happy expressions over the right hemisphere. CONCLUSION: To the extent that these variations in maternal disposition reflect variations in their expression of positive facial expressions, these results suggest that the emotional environment experienced by infants contributes to the development of their responses to facial expressions.

Adult↗
PubMed2003

Intergenerational relationships in young adulthood and their life course, mental health, and personality correlates.

To evaluate effects of life-course events and experiences of young adults, as well as personality and mental-health history on intergenerational relationships in young adulthood, the authors examined dyadic relationship data drawn from a sample of more than 900 New Zealand 26-year-olds and their mothers and fathers. Results indicated that intergenerational relations were more positive when young adults were childless, not unemployed, married, and living away from home, but these factors did not interact with family relationship history in predicting relationship outcomes. Intergenerational relationships were less positive when children scored low on positive emotionality and constraint and high on negative emotionality and mental disorders, though these attributes did not account for the effect of life-course factors. Results are discussed in terms of the openness of the parent-child relationship in adulthood to further development.

Adolescent↗
PubMed2002

Infant-mother attachment security, contextual risk, and early development: a moderational analysis.

In light of evidence that the effects of attachment security on subsequent development may be contingent on the social context in which the child continues to develop, we examined the effect of attachment security at age 15 months, cumulative contextual risk from 1 to 36 months, and the interaction of attachment and cumulative risk to predict socioemotional and cognitive linguistic functioning at age 3 years, using data from the National Institute of Child Health and Human Development Study of Early Child Care. Results indicated that early attachment predicts both socioemotional development and language skills, but not cognitive functioning as indexed by a measure of school readiness, and that the effect of attachment on socioemotional development and expressive language varied as a function of social-contextual risk. Insecure-avoidant infants proved most vulnerable to contextual risk, not children classified as secure or insecure more generally, although in one instance security did prove protective with respect to the adverse effects of cumulative contextual risk. Findings are discussed in terms of risk and resilience and in light of the probabilistic nature of the relation between early attachment and later development.

Affective Symptoms↗
PubMed2002

Early attachment security, subsequent maternal sensitivity, and later child development: does continuity in development depend upon continuity of caregiving?

In order to test the hypothesis (1) that the most competent 3-year-olds would be those with histories of secure attachment (at 15 months) who subsequently experienced (relatively) high-sensitive mothering (at 24 months), (2) that the least competent children would be those with histories of insecure attachment who subsequently experienced (relatively) low-sensitive mothering, and (3) that those with mixed or inconsistent attachment-sensitivity histories would fall in between, data gathered as part of the NICHD Study of Early Child Care were examined. A-priori tests supported the hypothesis in the case of all five developmental outcomes examined (problem behavior, social competence, expressive language, receptive language, school readiness), though group means did not always rank in the predicted direction. Further planned comparisons of children with mixed attachment-sensitivity histories revealed that, in the case of all outcomes, insecurely attached children who subsequently experienced high-sensitive mothering significantly outperformed secure children who subsequently experienced low-sensitive mothering. Follow-up analyses highlighted the role of maternal and family stress in accounting for why some infants who were classified as secure at 15 months experienced low-sensitive mothering at 24 months and why some infants classified as insecure subsequently experienced high-sensitive mothering. Results are discussed with regard to the role of early experience in shaping development.

Adaptation, Psychological↗
PubMedDate not supplied

Attachment and attention: protection in relation to gender and cumulative social-contextual adversity.

Data from 918 children from the National Institute of Child Health and Human Development (NICHD) Study of Early Child Care were examined to test the interrelation of attachment and attentional performance and 2 known risks for poor attentional performance: male gender and social-contextual adversity. Attachment was measured using the Strange Situation at 15 months, attentional performance by a Continuous Performance Test (CPT) and maternal questionnaires at 54 months, and social-contextual adversity by a variety of measures from birth to 54 months. Findings indicated (a) that children with secure attachment were less susceptible to the effects of cumulative risk and gender on CPT attentional performance than their insecure counterparts and that (b) no such differential risk susceptibility was evident for maternal reports of attention-related behavior problems.

Affect↗
PubMedDate not supplied

Intergenerational transmission of warm-sensitive-stimulating parenting: a prospective study of mothers and fathers of 3-year-olds.

More than 200 New Zealand men and women studied repeatedly since age 3 were videotaped interacting with their own 3-year-old children to determine (a) whether childrearing and family climate experienced in 3 distinct developmental periods while growing up (i.e., early childhood, middle childhood, early adolescence) predicted parenting and (b) whether romantic relationship quality moderated the effect of childrearing history on observed parenting. Support for the first hypothesis emerged across all 3 developmental periods for mothers (only), with no evidence of moderating effects of romantic relationship quality for mothers or fathers. Results are discussed in terms of supportive versus harsh parenting, mother-father differences, and the characteristics of the sample.

Adult↗