This integrative review synthesizes the finding of 16 cross-sectional surveys (25 hypotheses) on the prevalence of child abuse among nonclinical, North American samples. It is essentially a research literature on sexual abuse; only one of the studies assessed physical abuse, and there has not yet been a single study of prevalent child emotional abuse nor neglect. The following summative inferences were made: (1) response rates diminished significantly over time, M = 68% prior to 1985 and M = 49% for more recent surveys, p < .05; (2) unadjusted estimates of the prevalent experience among women and men of childhood sexual abuse was 22.3% and 8.5%, respectively; (3) study response rates and child abuse operational definitions together accounted for half of the observed variability in their abuse prevalence estimates, R2 = .500, p < .05; (4) female and male child sexual abuse prevalence estimates adjusted for response rates (60% or more) were respectively, 16.8% and 7.9%, and adjusted for operational definitions (excluding the broadest, noncontact category) they were 14.5% and 7.2%; (5) after adjustment for response rates and definitions, the prevalence of child sexual abuse was not found to vary significantly over the three decades reviewed. Given the large human costs, both personal and social, of child abuse, and the identified gap in the requisite knowledge needed to steer effective preventive and treatment interventions, it is time to invest in a large, methodologically rigorous, population-based study of child abuse which, if it does nothing else, spares no expense in ensuring very high participation.
The current political-economic climate, which is generally supportive of both private and public sector down-sizing, increasingly demands that human service workers assess, engage, and creatively use consumer strengths and resources. This meta-analysis of thirty-seven independent studies provided the means of inferring not only that elder volunteers' sense of well-being seemed to be significantly bolstered through volunteering, but also that such relatively healthy older people represent a significant adjunct resource for meeting some of the service needs of more vulnerable elders, as well as those of other similarly vulnerable groups such as disabled children. Averaging across studies, 85 percent of the "clients" who received service from an older volunteer (e.g., peer-counseling of nursing home residents) scored better on dependent measures (e.g., diminished depression) than the average person in comparison conditions did (U3 = .847 [Cohen, 1988], combined p < .001). The policy implications of such beneficial effects among both older volunteers and the people they serve are discussed.
Some scholars who emphasize the heritability of intelligence have suggested that compensatory preschool programs, designed to ameliorate the plight of socioeconomically or otherwise environmentally impoverished children, are wasteful. They have hypothesized that cognitive abilities result primarily from genetic causes and that such environmental manipulations are ineffective. Alternatively, based on the theory that intelligence and related complex human behaviors are probably always determined by myriad complex interactions of genes and environments, the present meta-analytic study is based on the assumption that such behaviors can be both highly heritable and highly malleable. Integrating results across 35 preschool experiments and quasi-experiments, the primary findings were: (a) preschool effects on standardized measures of intelligence and academic achievement were statistically significant, positive, and large; (b) cognitive effects of relatively intense educational interventions were significant and very large, even after 5 to 10 years, and 7 to 8 of every 10 preschool children did better than the average child in a control or comparison group; and (c) cumulative incidences of an array of personal and social problems were statistically significantly and substantially lower over a 10-to 25year period for those who had attended preschool (e.g., school drop out, welfare dependence, unemployment, poverty, criminal behavior). The need for a very large, well-controlled, national experiment to either confirm or refute these provocative, review-generated findings is discussed. Conventional wisdom certainly seems to support the notion that educational experiences early in childhood are beneficial. This is particularly true when considering compensatory preschool programs that are designed to serve children who, for any number of social or economic reasons, are at greater than average risk of 9
This study is part of a larger research program to examine the relationship between ambient air quality and health in Windsor, Ontario, Canada. We assessed the association between air pollution and daily respiratory hospitalization for different age and sex groups from 1995 to 2000. The pollutants included were nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, particulate matter ≤10 μm in diameter (PM10), coefficient of haze (COH), and total reduced sulfur (TRS). We calculated relative risk (RR) estimates using both time-series and case-crossover methods after controlling for appropriate confounders (temperature, humidity, and change in barometric pressure). The results of both analyses were consistent. We found associations between NO2, SO2, CO, COH, or PM10 and daily hospital admission of respiratory diseases especially among females. For females 0–14 years of age, there was 1-day delayed effect of NO2 (RR = 1.19, case-crossover method), a current-day SO2 (RR = 1.11, time series), and current-day and 1- and 2-day delayed effects for CO by case crossover (RR = 1.15, 1.19, 1.22, respectively). Time-series analysis showed that 1-day delayed effect of PM10 on respiratory admissions of adult males (15–64 years of age), with an RR of 1.18. COH had significant effects on female respiratory hospitalization, especially for 2-day delayed effects on adult females, with RRs of 1.15 and 1.29 using time-series and case-crossover analysis, respectively. There were no significant associations between O3 and TRS with respiratory admissions. These findings provide policy makers with current risks estimates of respiratory hospitalization as a result of poor ambient air quality in a government designated “area of concern.”
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