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Biomedical subjects

P H Casey

Publications and source records attributed to P H Casey.

At least 19 recordsLinked to original sources
PubMed1995

Home environment and adaptive social behavior among premature, low birth weight children: alternative models of environmental action.

Used data from 465 premature, low birth weight children representing three major sociocultural groups (Caucasian, African American, Hispanic) to examine the relation between children's home environments and their adaptive social behavior. Results showed low to moderate associations between scores on the HOME Inventory at 1 and 3 years and scores on two measures of adaptive social behavior at 30 to 36 months, the Adaptive Social Behavior Inventory, and observations of mother-child interaction in a structured laboratory situation. Results indicated that responsive, nurturant care at both 1 and 3 years are related to child adaptive social behavior, as are cognitively stimulating experiences and materials. However, canonical correlational analysis indicated that only Acceptance and Variety of Experience, measured at age 3, and Variety of Experience measured at age 1 accounted for independent amounts of variance in adaptive social behavior as perceived by mothers. Also, only sociocultural group status and Learning Materials at 36 months contributed to the prediction of persistence and enthusiasm as observed in the laboratory setting.

Adult↗
PubMed1994

Early intervention in low-birth-weight premature infants. Results through age 5 years from the Infant Health and Development Program.

OBJECTIVE: To evaluate the persistence of effects on health and development at age 5 years of the Infant Health and Development Program, an early childhood intervention that was provided to low-birth-weight (LBW) premature infants from neonatal discharge through age 3 years. DESIGN: Randomized, controlled, multicenter trial, stratified by two LBW groups: lighter (< or = 2000 g) and heavier (2001 to 2500 g). SETTING: Eight socioeconomically heterogeneous clinical sites. PARTICIPANTS: Of 985 eligible infants weighing 2500 g or less and at 37 weeks' or less gestational age, 377 infants were randomly assigned to the intervention group and 608 to the follow-up only group. About two thirds of the infants in each group were in the lighter LBW stratum, and one third were in the heavier LBW stratum. INTERVENTION: The intervention group received home visits (from neonatal discharge through age 3 years) as well as center-based schooling (from 1 to 3 years of age). Children in both groups received pediatric surveillance. MAIN OUTCOME MEASURES: Cognitive development, behavioral competence, and health status. RESULTS: At age 5 years, the intervention group had full-scale IQ scores similar to children in the follow-up only group. However, in the heavier LBW stratum, children in the intervention group had higher full-scale IQ scores (3.7 points higher; P = .03) and higher verbal IQ scores (4.2 points higher; P = .02). No significant differences between intervention and follow-up only groups in cognitive measures at age 5 years were noted in the lighter LBW infants. The intervention and follow-up groups were similar in behavior and health measures regardless of LBW stratum. CONCLUSION: The early childhood intervention provided in the first 3 years of life had effects on heavier LBW premature infants' IQ and verbal performance at age 5 years that were not observed for lighter LBW premature infants. The intervention did not affect health or behavior at age 5 years in either LBW stratum.

Child Behavior↗
PubMed1994

A multifaceted intervention for infants with failure to thrive. A prospective study.

OBJECTIVE: To determine whether a multifaceted intervention decreased the incidence of failure to thrive (FTT) in a group of preterm infants with low birth weights and improved the 3-year intelligence, health, growth, and behavior status of the children with FTT. DESIGN: Three-year, prospective, randomized, clinical trial. SETTING: Eight large university hospital sites throughout the United States. SAMPLE: Nine hundred fourteen preterm infants with low birth weights who were born at the sites and met study criteria. INTERVENTION: Home visits weekly during the first year of life and biweekly thereafter until the age of 3 years to provide family support and implement two curricula; and attendance at a child development center from 12 months until 3 years of age, 5 days a week, to deliver an early childhood educational intervention. RESULTS: The incidence of FTT did not differ between the treatment and control groups (20% vs 22%). Overall, children with FTT in the treatment group were not different from children with FTT in the follow-up group on any of the outcome variables. However, after controlling for other factors, treatment group membership significantly contributed to the prediction model of 36-month IQ (P = .005) for the children with FTT. In addition, children with FTT in the intervention group with higher compliance demonstrated higher 3-year IQ and better behavior scores than the children with FTT in the low-compliance group. CONCLUSIONS: The intervention did not change the incidence of FTT or the 3-year outcomes in this low-birth-weight, preterm cohort. After controlling for multiple independent variables, marked effects on 3-year IQ were noted. In addition, these beneficial effects were most pronounced in families that were most complaint with the intervention.

Child Behavior↗
PubMed1994

A factor analytic study of the infant-toddler and early childhood versions of the HOME Inventory administered to white, black, and Hispanic american parents of children born preterm.

Factor analyses were performed on the Infant-Toddler and the Early Childhood versions of the HOME Inventory for 3 groups (blacks, whites, and Hispanics) of premature, low-birthweight children. Participants lived in 8 different U.S. cities. On the IT-HOME, 5 factors were originally retained for each group using the principal factors method of extraction. Factor structures for blacks and whites were similar, accounting for 85% and 75% of the variance, respectively. The structure for Hispanics was somewhat different; a 7-factor solution accounting for 65% of the variance was most interpretable. For the EC-HOME, 6 factors were retained for both black and white groups, accounting for 80% and 73% of the variance, respectively. For Hispanics, an 8-factor solution accounted for 59% of the variance. The factor structures for blacks and whites were largely in agreement with the current organization of items into subscales. The fit for Hispanics was not quite as good, but most factors also corresponded to current subscales.

Adult↗
PubMed1994

Early indications of resilience and their relation to experiences in the home environments of low birthweight, premature children living in poverty.

The caregiving environment experienced by 243 premature, low birthweight (LBW) children living in poverty was examined to determine whether the quality of care such children receive affords them some measure of protection from the generally deleterious consequences of poverty and prematurity. Only 26 children were identified as functioning in the normal range for cognitive, social/adaptive, health, and growth parameters at age 3. These children, who showed early signs of resiliency, differed from nonresilient children in that they were receiving more responsive, accepting, stimulating, and organized care. They were also living in safer, less crowded homes. 6 "protective" aspects of caregiving were identified and used as part of a cumulative protection index. Children with less than 3 protective aspects of caregiving present at age 1 had only a 2% probability of being resilient, and only a 6% probability if fewer than 3 were present at age 3. Overall, premature LBW children born into conditions of poverty have a very poor prognosis of functioning within normal ranges across all the dimensions of health and development assessed. However, those raised in a setting with 3 or more protective factors were more likely to show early signs of resiliency.

Adaptation, Psychological↗
PubMed1993

Low-birth-weight infants born to adolescent mothers. Effects of coresidency with grandmother on child development.

OBJECTIVE: To explore the impact of young maternal age, coresidency with infant's grandmother, and other familial and environmental factors on development of low-birth-weight (LBW) infants. DESIGN: Prospective cohort analyses. SETTING: Eight medical institutions in different geographical locations participating in the Infant Health and Development Program. PARTICIPANTS: Control population of 272 LBW, preterm infants enrolled in the Infant Health and Development Program born to mothers aged 15 to 24 years. MAIN OUTCOME MEASURE: Child cognitive, behavioral, and health outcomes at 36 months' gestation-corrected age. RESULTS: Maternal age was not significantly related to child development. Coresidence with infant's grandmother was associated with improved cognitive and health outcomes. Maternal ethnicity, maternal verbal ability, and other environmental factors were also associated with child outcomes. CONCLUSIONS: Findings of this study support the need for programs that include the extended family of at-risk infants, providing education and literacy skills to the mothers and encouraging participation of all care givers of the child.

Adolescent↗
PubMed1993

Identifying at-risk children for early intervention services: lessons from the Infant Health and Development Program.

A U.S. law mandates early intervention services for infants and young children who have, or are at risk for, developmental problems. Participating states must develop definitions for identifying infants and young children at risk for developmental problems. To assess the sensitivity, specificity, and positive predictive value of some commonly identified risk factors, we examined the definitions proposed by five states. Data on risk factors and 36-month developmental outcomes were obtained from follow-up participants in the Infant Health and Development Program, a multisite, collaborative prospective intervention program involving 985 low birth weight preterm infants. Few individual risk factors proposed by these states were associated with poor developmental outcomes. Characteristics with positive predictive values greater than 30% were highly specific but tended to involve few cases. Risk factors with positive predictive values greater than 50%, such as hypothyroidism, occurred infrequently (< 6%) in this sample. When state definitions for at-risk children were examined in composite, each definition yielded a positive predictive value of 25% to 35%, with poor specificities ranging from 12% to 40%. These data on low birth weight infants have implications for the design and funding of population-based early intervention programs, and suggest that more careful clinical and longitudinal research is necessary before appropriate definitions can be promulgated for identifying children in need of early intervention services.

Child, Preschool↗
PubMed1993

Pediatric clinical assessment of mother-child interaction: concurrent and predictive validity.

This study examines whether clinical assessments of mother-infant interactions collected at 8-month health supervision visits are associated with standardized measures of the home environment and mother-child interaction collected at later dates in other settings, and whether these clinical assessments are associated with the child's future developmental and behavioral status. The observation component of the Pediatric Review of Children's Environmental Support and Stimulation (PROCESS) was collected on 46 consecutive mother-infant pairs during an 8-month health supervision visit. The Home Observation Measurement of Environment (HOME) Inventory was collected on these infants' families at 12 and 36 months of age, and mother-child interaction was assessed in a laboratory setting at 30 months. The Bayley Scales of Infant Development were collected at 12 and 24 months, and the Stanford Binet Intelligence Test and the Achenbach Child Behavior Checklist were collected at 36 months of age. The 8-month clinical ratings were strongly associated with the measures of the home environment and mother-child interaction and with child developmental and behavioral problem status at 36 months. These findings attest to the power and usefulness of systematic observations of maternal behavior by the clinician during health supervision visits.

Child, Preschool↗
PubMed1991

Growth status and growth rates of a varied sample of low birth weight, preterm infants: a longitudinal cohort from birth to three years of age.

To obtain follow-up growth data on a large sample of low birth weight, preterm infants, 985 infants were monitored longitudinally in an eight-site collaborative program until 3 years of age, corrected for prematurity. The growth of 608 of these infants was described previously through 1 year of age. In the full sample, 149 infants weighed less than or equal to 1250 gm at birth, 474 between 1250 and 2000 gm, and 362 between 2000 and 2500 gm. Thirty-three percent were white, 53% were black, and 11% were Hispanic. Weight, length, and head circumference were measured at birth and at 40 weeks and 4, 8, 12, 18, 24, 30, and 36 months gestation-corrected age in at least 862 infants each time. Descriptive statistics and estimated growth rates for all growth variables and a body mass index (height in kilograms per square meter), plotted by sex and birth weight group, demonstrated growth patterns lower than published standards for term infants of the same age and sex. These patterns of growth differed by birth weight group. Little catch-up was noted by the 36-month examination for gestation-corrected age for any birth weight group. We conclude that low birth weight, preterm infants have different patterns of growth than term infants during the first 3 years of life, even with plotting corrected for gestational age.

Age Factors↗
PubMed1990

Growth patterns of low birth weight preterm infants: a longitudinal analysis of a large, varied sample.

To obtain growth data on a large sample of low birth weight preterm infants, we monitored 608 infants longitudinally in an eight-site collaborative program. Ninety-nine infants weighed less than or equal to 1250 gm at birth, 289 between 1250 and 2000 gm, and 220 infants between 2000 and 2500 gm. Thirty-four percent were white, 52% black, and 14% Hispanic. Weight, height, and head circumference were measured at birth and at 40 weeks and 4, 8, and 12 months of gestation-corrected age on at least 553 infants each time. Descriptive statistics for all growth variables and a body mass index (kilograms per square meter), plotted by sex and birth weight group, demonstrated growth patterns lower than published standards for term infants of the same age and sex. These patterns of growth differed by birth weight group. No catch-up growth was noted by the 12-month examination (gestation-corrected age) for any birth weight group. We conclude that low birth weight preterm infants have different patterns of growth than term infants during the first year of life, even with plotting corrected for gestational age.

Birth Weight↗
PubMed1988

The clinical assessment of a child's social and physical environment during health visits.

The quality of a child's home environment plays a critical role in long-term developmental status. The Pediatric Review and Observation of Children's Environmental Support and Stimulation (PROCESS) Inventory was developed to clinically assess aspects of the child's physical environment and the parent-child interaction during a health supervision visit. The final version was used with 76 mother-child pairs by two pediatricians. The Home Observation for Measurement of the Environment (HOME) Inventory was performed within 3 weeks on all pairs, and a laboratory observation of parent-child interaction was completed with 30 of the pairs. Correlations of the PROCESS with the HOME Inventory and parent-child interaction were 0.84 and 0.86 (less than 0.001), respectively. These significant correlations persisted while controlling for family income and education. When high and low scores of the HOME Inventory known to correlate with positive and negative developmental outcomes were cross-tabulated with PROCESS scores, low scores on the PROCESS identified 77% of low HOME Inventory scores and high scores on the PROCESS identified 95% of the high HOME Inventory scores. The PROCESS provides pediatricians a brief, easy-to-score, clinically useful, reliable, and valid method to measure children's home environments.

Adolescent↗
PubMed1986

Developmental intervention: a pediatric clinical review.

We have attempted to review developmental intervention for pediatricians in a way that is of clinical relevance to primary care pediatricians. In so doing, we chose not to evaluate certain topics such as therapeutic intervention for handicapped children or center-based educational programs because these have been adequately addressed elsewhere. It is clear that pediatricians have a unique and important role to play in developmental intervention for the following reasons: pediatricians have easy and routinely accepted access to infants and families in the prenatal, perinatal, and preschool periods: pediatricians possess a socially accepted role of authority; and pediatricians can integrate understanding of the child's health and developmental status within the context of the family and social environment to make clinical interpretation regarding the child's developmental status and prognosis. Pediatricians are thus in the best position to convince parents of their impact on their child's development. The following general roles have been identified for pediatricians. First, pediatricians should be aware of the child's biologic status and family environmental situation and the relative degree of risk for developmental problems. This clinical awareness, in combination with the use of appropriate screening instruments of the child's development and family environment, will allow clinical judgment regarding the frequency and type of child health supervision, the need for further diagnostic evaluation, and the need for referral to intervention programs and other resources. Second, the pediatrician should develop an approach for developmental intervention for all children, whatever their degree of biological risk. This review of medical, educational, and psychological literature demonstrate the following recurring important themes as goals for primary intervention: Improve parental understanding of normal child development and developmental expectations. Assist parent's understanding of the individual developmental characteristics and temperamental style of their child. Promote parental sensitivity to the social nature of infant behaviors. Encourage parent responsiveness to the social behaviors. Improve parental feelings of confidence and competence to affect their child's development. Pediatricians can be influential in supporting structural changes that can have beneficial effects on children's development. Support of humanization of obstetric and nursery practices, and the increased use of child health supervision to parents in groups are examples of such efforts.(ABSTRACT TRUNCATED AT 400 WORDS)

Child↗
PubMed1985

Compensatory growth in infants with severe failure to thrive.

We studied compensatory growth and caloric intake during an accelerated growth period of ten infants with severe failure to thrive (FTT). The mean age at diagnosis was 7.1 months (range 1.5 to 16.0 months). The average percentage of normal weight for age in this group was 54.9%, mean length was 58 cm (86% normal for age), and the mean head circumference was 39.7 cm (92% normal for age). Compensatory growth rebound was completed after 6.2 months (range 3.5 to 9.0 months). Minimal calorie counts during peak rate of growth averaged 187 kcal/kg/day (range 147 to 213). The final group average percentage of normal weight for age was 95.5%, an increase of 40%. The group of rebounding infants gained 31 gm/day. The group's length increased to 94% of that expected for age and head circumference to 98% of that expected for age. Like malnourished infants, these with FTT had compensatory growth when managed with ad libitum caloric intake equal to twice the expected intake.

Body Height↗