Principles for Conduct of Pest Risk Analyses: Report of an Expert Workshop

The North American Free Trade Agreement (NAFTA) and the General Agreement on Tariffs and Trade (GATT) have focused attention on risk assessment of potential insect, weed, and animal pests and diseases of livestock. These risks have traditionally been addressed through quarantine protocols ranging from limits on the geographical areas from which a product may originate, postharvest disinfestation procedures like fumigation, and inspections at points of export and import, to outright bans. To ensure that plant and animal protection measures are not used as nontariff trade barriers, GATT and NAFTA require pest risk analysis (PRA) to support quarantine decisions. The increased emphasis on PRA has spurred multiple efforts at the national and international level to design frameworks for the conduct of these analyses. As approaches to pest risk analysis proliferate, and the importance of the analyses grows, concerns have arisen about the scientific and technical conduct of pest risk analysis. In January of 1997, the Harvard Center for Risk Analysis (HCRA) held an invitation-only workshop in Washington, D.C. to bring experts in risk analysis and pest characterization together to develop general principles for pest risk analysis. Workshop participants examined current frameworks for PRA, discussed strengths and weaknesses of the approaches, and formulated principles, based on years of experience with risk analysis in other setting and knowledge of the issues specific to analysis of pests. The principles developed highlight the both the similarities of pest risk analysis to other forms of risk analysis, and its unique attributes.     

The Income and Health Effects of Tribal Casino Gaming on American Indians

The legalization of American Indian casino gaming in the late 1980s allows examination of the relationship between income and health in a quasi-experimental way. Revenue from gaming accrues to individual tribes and has been used both to supplement tribe members’ income and to finance tribal infrastructure. We assembled annual data from 1988–2003 on tribal gaming, health care access (from the Area Resource File), and individual health and socioeconomic characteristics data (from the Behavioral Risk Factors Surveillance System). We use this information within a structural, difference-in-differences framework to study the effect of casino gaming on tribal members’ income, health status, access to health care, and health-related behaviors. Our difference-in-differences framework relies on before-after comparisons among American Indians whose tribe has at some time operated a casino and with-without comparisons between American Indians whose tribe has and those whose tribe has not initiated gaming. Our results provide identified estimates of the positive effect of gaming on American Indian income and on several indicators of American Indian health, health-related behaviors, and access to health care.     

The Nominal Group: A New Tool for Making Social Work Education Relevant

This article describes the nominal group technique and delineates the application of the approach to identifying specific course topics and emphases sought by students enrolling in undergraduate and graduate social work courses.     

COLLEGE STUDENTS AND BINGE DRINKING: AN EVALUATION OF SOCIAL LEARNING THEORY

ABSTRACT

Although binge drinking is a prevalent and often problematic behavior among college students, there has been relatively little sociological research on this phenomenon. This study evaluates the applicability of social learning theory (Akers 1985 Akers , Ronald L. 1985 . Deviant Behavior: A Social Learning Approach . 3rd ed. Belmont , CA : Wadsworth . [Google Scholar] 2000 — . 2000 . Criminological Theories: Introduction, Evaluation, and Application , 3rd ed. Los Angeles : Roxbury . [Google Scholar]) to the binge drinking of a sample of approximately 1,500 students enrolled at four institutions of higher education. The social learning model explains approximately 45% of the variance in the binge drinking of these students. The results indicate that differential peer associations are by far the best predictor of this behavior. Other significant predictors include the definitions that students hold about binge drinking as well as their perceptions of the direct effects of alcohol consumption. These social learning variables also mediate the effects of demographic variables (i.e., gender, race, fraternity/sorority membership) on binge drinking. The results are discussed with respect to programs designed to prevent binge drinking. Possible directions for future research in this area are also suggested.     

A Sibling Death in the Family: Common and Consequential

Although a large literature analyzes the determinants of child mortality and suggests policy and medical interventions aimed at its reduction, there is little existing analysis illuminating the consequences of child mortality for other family members. In particular, there is little evidence exploring the consequences of experiencing the death of a sibling on one’s own development and transition to adulthood. This article examines the prevalence and consequences of experiencing a sibling death during one’s childhood using two U.S. data sets. We show that even in a rich developed country, these experiences are quite common, affecting between 5 % and 8 % of the children with one or more siblings in our two data sets. We then show that these experiences are associated with important reductions in years of schooling as well as a broad range of adult socioeconomic outcomes. Our findings also suggest that sisters are far more affected than brothers and that the cause of death is an important factor in sibling effects. Overall, our findings point to important previously unexamined consequences of child mortality, adding to the societal costs associated with childhood mortality as well as suggesting additional benefits from policy and medical innovations aimed at curbing both such deaths and subsequent effects on family members.     

Life Expectancy during the Great Depression in Eleven European Countries

The recent global economic recession has renewed interest in knowing whether a declining economy affects population health. Understanding the extreme case of the Great Depression may inform the current debate as well as theory regarding biological and behavioral adaptations to unwanted economic change. We test the hypothesis, recently suggested in the literature, that period life expectancy at birth improved during the Great Depression. We applied time‐series methods to annual period life expectancy data of the civilian population from eleven European countries. Methods control for trends and other forms of autocorrelation in life expectancy that could induce spurious associations. We cannot reject the null hypothesis that period life expectancy at birth during the Great Depression remained within the interval forecasted from historical values. Additional analyses using an automated, rule‐based methodology also cannot reject the null hypothesis. During the most severe phase of the Great Depression, period life expectancy in eleven European countries generally did not rise above expected levels.     

Cross cultural comparisons of quality of life of Thais and Americans

Comparisons of quality of life (QOL) measures across cultures of countries in different stages of economic development have been very scarce. This study attempts to fill the void in the literature by investigating the level of overall life satisfaction and satisfaction with various domains of lives of Thais and Americans. Additionally, the relationships between satisfaction with domains of life and overall life satisfaction in each culture have been explored. The results of this study indicate that Thais are less satisfied with their lives in general and most of the domains of their lives than Americans. However, both Thais and Americans tend to be more satisfied with their personal domains of lives than environmental domains of lives. In addition, satisfaction with material possessions is found to contribute significantly to overall life satisfaction of Thais but not Americans. This suggests that material wealth or economic development is still a vital mechanism for enhancing QOL of people in Thailand, but is not important for enhancing QOL of people in the U.S.     

Explaining the association of race and ethnicity with the HIV/AIDS-related attitudes,behaviors and skills of high school students

This study deals with intervening factors such as family composition, religiosity, and HIV/AIDS knowledge in understanding the association of race and ethnicity with HIV/AIDS-related attitudes and behaviors. Data represent Wave 1 of a five-month panel design involving 10th grade students in eight public high schools in Dade County (greater Miami) Florida. Significant differences in attitudes and behaviors were found among racial/ethnic groups. Specifically, Hispanics had more negative attitudes about condom use than blacks or whites. Whites had the most permissive, and blacks the least permissive, sexual attitudes. Hispanics felt least confident and blacks felt most confident about interpersonal sexual skills. Blacks were most likely to have had sexual intercourse, and whites least likely. Religiosity was found to be a significant intervening variable in the less permissive sexual attitudes of both blacks and Hispanics. The most significant implication of this study is that racial/ethnic differences in sexual behavior can be explained more fully by socio-environmental factors such as family structure or religiosity than by knowledge or attitudes. Thus, interventions directed toward minority populations should focus on the development of alternative social environments that would support more positive behaviors. More specifically, extended family, religious youth groups, and other community organizations should be brought into the HIV/AIDS risk-reduction arena.     

A Shared Presentation: Two Disabled Women on Video

In this paper we share our collaborative experience of making a video in which disabled women present their lives as they wish to portray them. We undertook what we hope will be perceived as emancipatory research, in which disabled and non-disabled women work together to create audio-visual teaching materials. We include a preliminary discussion about the representation of disability on British television broadcasts between October 1991 and March 1992. We look at negative imagery, charity fund raising, and positive images. The paper uses comments by disabled broadcasters and disabled academics, and reflects on their work.