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Full-Text Articles in Environmental Health and Protection

The Space Debris Environment And Satellite Manufacturing, Walter Tam Jan 2015

The Space Debris Environment And Satellite Manufacturing, Walter Tam

Walden Dissertations and Doctoral Studies

Space debris is a growing threat to operational satellites and satellite manufacturing organizations. Leaders in satellite manufacturing organizations lacking adequate knowledge on the space debris risks could be at a competitive disadvantage. The purpose of this explorative case study was to explore strategies leaders in satellite manufacturing organizations use to mitigate risks through the conceptual lens of stakeholder theory, contingency theory, and general system theory. The research questions addressed strategies to mitigate the debris threat from the perspectives of both ongoing concerns and long-term risk resolution. Data were collected via in-depth interviews with 12 leaders, purposively selected, in satellite manufacturing …


Effect Of Neighborhood Features On Bmi Of African American Adolescents In South Los Angeles, Francisca Omelogo Obiora Jan 2015

Effect Of Neighborhood Features On Bmi Of African American Adolescents In South Los Angeles, Francisca Omelogo Obiora

Walden Dissertations and Doctoral Studies

Childhood obesity is a major national and worldwide public health crisis. The occurrence of childhood obesity, caused to large extent by an imbalance between caloric intake and caloric expenditure, has increased in the last 30 years. Although the prevalence of obesity has stabilized in recent years, it remains a top public health concern in the United States, especially in urban centers. The purpose of this study was to examine the associations between diet, physical activity, and the built environment in relation to the mean body mass index (BMI) of adolescents aged 12 to 17 years living in South Los Angeles, …


A Qualitative Analysis Of Migrant Women Farmworkers' A Qualit Ative Analysis Of Migrant Women Farmworkers’ Perceptions Of Maternal Care Management, Stacey A. Pilling Jan 2015

A Qualitative Analysis Of Migrant Women Farmworkers' A Qualit Ative Analysis Of Migrant Women Farmworkers’ Perceptions Of Maternal Care Management, Stacey A. Pilling

Walden Dissertations and Doctoral Studies

The purpose of this phenomenological study was to examine migrant women farmworkers' views of perinatal care management while working in the fields. Like men, women migrant farmworkers are exposed to many physical, chemical, and biological hazards that pose human health risks. However, women of childbearing age are at an increased risk of having reproductive health difficulties and adverse pregnancy outcomes, and the infant mortality rate among migrant farmworkers is estimated to be twice the national average. Perinatal care is a critical factor in reducing adverse outcomes for perinatal and newborn mortality. Face-to-face interviews were conducted with 15 migrant women farmworkers …


Food Safety Knowledge And Self-Reported Practices Of Food Handlers In Jamaica, Marcia Annmarie Thelwell-Reid Jan 2014

Food Safety Knowledge And Self-Reported Practices Of Food Handlers In Jamaica, Marcia Annmarie Thelwell-Reid

Walden Dissertations and Doctoral Studies

Food-borne illnesses are responsible for disease globally. One of the most important strategies for combating food-borne diseases is the training of food handlers. Using social cognition theory as a framework, the purpose of this study was to assess the effectiveness of the mandatory training program for food handlers in a rural parish in Jamaica. A cross-sectional survey, using self-administered questionnaires, was used to assess and compare food safety knowledge and self-reported practices of food handlers trained in 2 government training programs, while using untrained food handlers as controls. Descriptive and inferential statistics such as t test, chi-square test, and ANOVA …


Assessment, Referral, And Self Perception In Binge Eating And Obesity Among Adults, Mary Solberg Jan 2011

Assessment, Referral, And Self Perception In Binge Eating And Obesity Among Adults, Mary Solberg

Walden Dissertations and Doctoral Studies

In the past 30 years, binge eating and obesity has increased among all age groups due to lifestyle, environment, social, and biological reasons. To change eating habits, individuals may have to collaborate with others beyond the medical professional. Societal impacts of binge eating and obesity include increases in insurance rates, medical costs, and increased early-age mortality. The purposes of this study were to assess how individuals are referred to other professionals if they self-identify as binge eaters or obese and to understand personal awareness individuals had of binge eating and obesity. Cognitive behavioral theory was used as the theoretical foundation. …