The role of city and state agencies in injury prevention.
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Accident Prevention↗
Biomedical subjects
L L Davidson
Publications and source records attributed to L L Davidson.
The impact of the Safe Kids/Healthy Neighborhoods Injury Prevention Program in Harlem, 1988 through 1991.
OBJECTIVES: This study evaluated the effectiveness of a community coalition to prevent severe injuries to children in Central Harlem, New York, NY. It was hypothesized that injury incidence rates would decline during the intervention (1989 through 1991) relative to preintervention years (1983 through 1988); that the decline would be greatest for the targeted age group (5 through 16 years) and targeted injury causes (traffic accidents, assaults, firearms, outdoor falls); and that the decline would occur in the intervention community rather than a control community. METHODS: Surveillance of injuries that result in hospitalization and/or death among children in the two communities has been under way since 1983. Data from this surveillance were used to test whether the incidence of severe injury declined during the intervention; other temporal variations were controlled by Poisson regression. RESULTS: The incidence of injury among school-aged children in central Harlem declined during the intervention. The decline was specific to the targeted age group and targeted causes. A nonspecific decline also occurred in the control community. CONCLUSIONS: The declining incidence rate in Central Harlem is consistent with a favorable program effect, but additional investigation of possible secular trend or spillover effects is needed.
Accidental Falls↗
Low-income neighborhoods and the risk of severe pediatric injury: a small-area analysis in northern Manhattan.
OBJECTIVES: The purpose of this study was to investigate the relationship between socioeconomic disadvantage and the incidence of severe childhood injury. METHODS: Small-area analysis was used to examine socioeconomic risk factors for pediatric injury resulting in hospitalization or death in Northern Manhattan, New York, NY, during a 9-year period (1983 through 1991). RESULTS: The average annual incidence of all causes of severe pediatric injury was 72.5 per 10,000 children; the case-fatality rate was 2.6%. Census tract proportions of low-income households, single-parent families, non-high school graduates, and unemployment were significant predictors of risk for both unintentional and intentional injury. Among the socioeconomic factors considered, low income was the single most important predictor of all injuries; other socioeconomic variables were not independent contributors once income was included in the model. Compared with children living in areas with few low-income households, children in areas with predominantly low-income households were more than twice as likely to receive injuries from all causes and four and one half times as likely to receive assault injuries. The effect of neighborhood income disparities on injury risk persisted after race was controlled. CONCLUSIONS: These results illuminate the impact of socioeconomic disparities on child health and point to the need for injury prevention efforts targeting low-income neighborhoods.
Adolescent↗
Validity of the ten questions screened for childhood disability: results from population-based studies in Bangladesh, Jamaica, and Pakistan.
An international study to validate the Ten Questions screen for serious childhood disability was undertaken in communities in Bangladesh, Jamaica, and Pakistan, where community workers screened more than 22,000 children ages 2-9 years. All children who screened positive, as well as random samples of those who screened negative, were referred for clinical evaluations. Applying comparable diagnostic criteria, the sensitivity of the screen for serious cognitive, motor, and seizure disabilities is acceptable (80-100%) in all three populations, whereas the positive predictive values range from 3 to 15%. These results confirm the usefulness of the Ten Questions as a low-cost and rapid screen for these disabilities, although not for vision and hearing disabilities, in populations where few affected children have previously been identified and treated. They also show that the value of the Ten Questions for identifying disability in underserved populations is limited to that of a screen; more thorough evaluations of children screened positive are necessary to distinguish true- from false-positive results and to identify the nature of the disability if present.
Bangladesh↗
Screening for biliary atresia.
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Biliary Atresia↗
High prevalence of overweight in inner-city schoolchildren.
The weights and heights of 1670 Harlem children aged 5 to 11 years (879 boys, 791 girls) were compared with the National Center for Health Statistics standards. The median height for age and weight for age were greater by 1.4 cm and 2.2 kg in boys and 2.7 cm and 2.8 kg in girls. Weight distribution was skewed to the right and showed a bimodal pattern. "Height-ages" were advanced by an average of 0.24 years in boys and 0.47 years in girls. Weight for height in 13.9% of girls and 13.6% of boys were above the 95th percentile. The results are consistent with early maturation. However, even after adjusting for height, shift to the right of the weight distribution persists with a large subgroup of boys and girls who are overweight.
Age Factors↗
The effects of a natural disaster on child behavior: evidence for posttraumatic stress.
OBJECTIVES: A prospective study of children examined both before and after a flood disaster in Bangladesh is used to test the hypothesis that stressful events play a causal role in the development of behavioral disorders in children. METHODS: Six months before the disaster, structured measures of selected behavioral problems were made during an epidemiological study of disability among 2- to 9-year-old children. Five months after the disaster, a representative sample of 162 surviving children was reevaluated. RESULTS: Between the pre- and postflood assessments, the prevalence of aggressive behavior increased from zero to nearly 10%, and 45 of the 134 children who had bladder control before the flood (34%) developed enuresis. CONCLUSIONS: These results help define what may be considered symptoms of posttraumatic distress in childhood; they also contribute to mounting evidence of the need to develop and evaluate interventions aimed at ameliorating the behavioral and psychological consequences of children's exposure to extreme and traumatic situations.
Aggression↗
The epidemiology of severe injuries to children in northern Manhattan: methods and incidence rates.
The epidemiology of injury incidence in inner-city children has not previously been described. This study presents the methods used and the incidence rates found for severe injury (causing hospitalisation or death) in a population of 89,000 children under age 17 years in northern Manhattan, a largely poor area of New York City. The average annual incidence rate (measured from 1983 to 1987) for severe injuries to children under 17 was 846/100,000 a year. The vast majority (79%) were classified as unintentional. Nine per cent were due to assault, 3% were self-inflicted and in an additional 9% the intention was unclear. Classified by cause, the highest incidence (per 100,000/year) was found for falls (218), vehicle-related (141, primarily pedestrian), ingestion (119) and burns (110). Guns caused 3% of the injuries (27). The death rate from injury was 18.7/100,000, 36% of which was due to homicide. In an additional 28%, intentional injury was suspected. The suicide rate was 0.4/100,000. The leading causes of injury death included guns and burns (both 2.7/100,000). Compared with childhood injury rates in predominantly rural and suburban populations, the rates reported here for northern Manhattan are higher for overall injury incidence (fatal and non-fatal) and for homicide, but lower for injury mortality not due to homicide.
Acute Disease↗
Estimates of the prevalence of childhood seizure disorders in communities where professional resources are scarce: results from Bangladesh, Jamaica and Pakistan.
Although numerous estimates of the prevalence of seizure disorders in populations in the less developed world have now been published, these estimates are difficult to interpret due to lack of comparability of study methods and criteria for case definition. The results reported in this paper are from a large, collaborative study of disabilities in 2- to 9-year-old children in which standard research procedures and case definitions were used in three diverse populations (located in Bangladesh, Jamaica and Pakistan). A two-phase study design (screening followed by professional evaluations) was used in this study allowing for the professional evaluation to serve as the criterion in the estimation of prevalence, even for rare disorders. As a result, the prevalence estimates reported here have a high degree of comparability across populations and exhibit unusually strong validity for population surveys. Febrile seizures were the most common type of seizure history in all three populations, with point estimates of lifetime prevalence ranging from 10.9 to 62.8 per 1000. The lifetime prevalence rates of epilepsy (recurrent unprovoked seizures) ranged from 5.8 to 15.5 per 1000. Lifetime prevalence rates of neonatal, all provoked and all unprovoked seizures, as well as estimates of the prevalence of active epilepsy, are also reported.
Age Factors↗
Hyperactivity in school-age boys and subsequent risk of injury.
Hyperactive boys between 6 and 8 years of age, identified through systematic population-based screening of a community in London, were compared prospectively with a nonhyperactive control group to determine whether they were at greater risk of sustaining injuries. The study sample was drawn from 1296 completed parent and teacher questionnaires. Hyperactive groups were designated in three ways (parental report, teacher report, and combined parent and teacher report). Injuries were assessed by reviewing the medical records of the five emergency departments serving the community. Although boys with conduct problems did sustain more injuries than control subjects, no relationship between hyperactivity and injury was found. Similarly, when milder injuries were excluded from the analysis, the association remained negative. The absence of an association could not be accounted for by differential parental protectiveness of boys designated hyperactive. This study, which has a power of .80 to determine an increase in the relative risk of injury of 1.5, found no effect for hyperactive behavior in boys. Hyperactive behavior is probably not a risk factor for injury; if it is, it exerts a modest effect, less than 1.5, therefore accounting for less than 4% of injuries to school-aged boys.
Behavior↗
Randomized, placebo-controlled trial of iron supplementation in infants with low hemoglobin levels fed iron-fortified formula.
In spite of the declining prevalence of iron-deficiency anemia, a large proportion of low-income infants have "low-normal" (11-11.5 g/dL) and "low" (less than 11 g/dL) hemoglobin (Hgb) values. Because most of these infants are fed iron-fortified formulas, it was of interest whether additional iron supplementation would enhance Hgb values. A cohort of 334 healthy, inner-city, minority, 6-month-old infants, fed iron-fortified formulas, with Hgb values ranging from 9 to 11.5 g/dL, participated in a double-blind, randomized, placebo-controlled trial of supplemental iron at 0, 3, and 6 mg/kg per day for 3 months. Hemoglobin values increased significantly with age, regardless of assignment to placebo or supplemental iron (means for the entire cohort: 6 months 10.9 g/dL, 8 months 11.2, 10 months 11.3, and 12 months 11.4). The proportion of "responders" (Hgb level increased greater than or equal to 1 g/dL) was 34% and did not differ significantly by placebo or iron dose. There were no significant differences in mean corpuscular volume or levels of erythrocyte porphyrins or serum ferritin between treatment groups. The implications of this clinical trial are twofold: (1) screening healthy infants fed iron-fortified formula at the age of 6 months is not justified, regardless of socioeconomic status; (2) the clinical practice of routinely treating low-income, "low-Hgb" infants with iron supplementation, without regard to dietary considerations, is unwarranted.
Anemia, Hypochromic↗
Primary leiomyosarcoma of the skin. Case report and review of the literature.
Leiomyosarcoma is a rare tumor usually treated by wide local excision. We present a case of primary leiomyosarcoma of the skin on the anterior aspect of the chest wall treated by Mohs micrographic surgery. This is only the second reported case so treated. The patient has remained recurrence-free for 30 months.
Humans↗
Preschool behavior problems and subsequent risk of injury.
The hospital records of 951 children from a previously established birth cohort for which behavioral and extensive background information was available were checked for 3 years following the fifth birthday of the youngest child. The aim was to determine whether children with certain specific behavior disorders had a higher rate of injury than those without. Although the predicted relationships between overactive behavior, decreased concentration, and injury rate were not found, the hypothesis of an increased risk of injury for boys and for children with discipline problems was confirmed. Also, the association between male sex and injury remained after controlling for the behavior variables related to injury. In general, some support was found for the suggestion of increased risk of injury among children who have specific behavior problems, although, contrary to widespread belief, this relationship accounts for only a small percentage of the injuries found in the cohort. Moreover, the relationship is modified by maternal characteristics and by the sex of the child. Unexpectedly, encopresis and marked fears were found to be risk factors for injury, although these effects were relatively small.
Attention Deficit Disorder with Hyperactivity↗
Shoe covers and tacky mats.
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Cross Infection↗
Hyperactivity, antisocial behavior, and childhood injury: a critical analysis of the literature.
Studies investigating the relationship between hyperactivity, antisocial behavior, and injury in children are reviewed. Most of the studies have reported that these behaviors are important risk factors for injury. However, design problems with these studies are noted. Early studies employed inappropriate control groups, or omitted them altogether, whereas more recent studies have used retrospective measures that depend on the recall of mothers and teachers, and which are therefore vulnerable to bias. When, on the other hand, prospective designs were used, a relationship between hyperactivity and injury was not found. In all these recent studies, a relationship between injury and management problem or aggressive behavior was reported. It is concluded that the relationship between hyperactivity and injury is still under question, and that a further prospective study will be required to resolve the issue.
Aggression↗
Can essential hypertension be approached prophylactically?
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Adolescent↗
Categories, classes and criteria in childhood disability--experience from a survey in Jamaica.
This paper reports a new classification and criteria for disabilities and handicaps used in a survey of childhood disability in Jamaica. Part of the International Classification of Impairments, Disabilities and Handicaps was used, with an alternative classification for disabilities similar to that of impairment, and with a complete set of criteria for levels of severity. For handicaps, the set proposed in the WHO manual, Training Disabled People in the Community, was used. No difficulties were encountered in the use of definitions or severity criteria. The inter-rater reliability for disability as a whole by community workers was 79% (kappa statistic 0.58), and for the physician and psychologist 90 and 100%. The handicap classification was easy to use but there was some confusion with resulting poor inter-rater reliability for some questions. This could be corrected by clarification of the meaning of the questions during training. We recommend use of this classification and criteria as being simple and realistic for surveys of childhood disability conducted by community workers.
Child↗