W. Alex McIntosh

Social Support, Stressful Events, Strain, Dietary Intake, and the Elderly

Little research exists linking social support, stressors, and related nutritional strain (loss of appetite) with the risk of poor nutritional health. Relationships among these concepts were investigated using a sample of elderly Virginians. It was hypothesized that the risk of poor nutritional health (dietary inadequacy) is reduced among elderly with high levels of social support and exacerbated among those experiencing stressful events and strain. Moreover, it was hypothesized that the negative effects of stressful events and strain on the diet are mitigated by high levels of social support. Using multiple regression models, these hypotheses were tested, controlling for age, sex, race, and socioeconomic status. The results indicated that elderly with 1) an extensive friendship network have more adequate diets; 2) greater financial stress experience greater nutritional stress (poorer appetite); and 3) greater nutritional stress have less adequate diets. Moreover, companionship serves as a buffer against the negative effects of poor appetite on dietary intake.Little research exists linking social support, stressors, and related nutritional strain (loss of appetite) with the risk of poor nutritional health. Relationships among these concepts were investigated using a sample of elderly Virginians. It was hypothesized that the risk of poor nutritional healt

Blood Lipids, Cardiovascular Fitness, Obesity and Blood Pressure - The Presence of Potential Coronary Heart Disease Risk Factors in Adolescents

OBJECTIVE To identify and compare the presence of coronary heart disease (CHD) risk factors among 14- and 15-year-old boys and girls. DESIGN For this cross-sectional study of 54 subjects, a blood sample taken after subjects fasted was used to determine total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and triglyceride concentrations. Dietary intake was estimated using a 24-hour recall and a 2-day food record. Height, weight, and skinfold thicknesses were measured to identify obese and severely obese subjects. Cardiovascular fitness, blood pressure, and cigarette use also were measured. TC, HDL-C, LDL-C, fitness, blood pressure, and smoking are modifiable risk factors, for CHD. SUBJECTS Adolescents were selected by random sampling from lists of students attending public schools in two central Texas cities. Adolescents who were 14 or 15 years old; were not pregnant; and had no history of high blood pressure, diabetes, or heart disease were eligible to participate. STATISTICAL METHODS Data were analyzed using Students t and chi square tests. RESULTS Of the subjects, 25% demonstrated two or more risk factors for CHD. A significantly higher percentage of girls than boys had a TC concentration greater than 5.2 mmol/L. Boys (n=29) had a mean fitness score that indicated a higher level of cardiovascular fitness than girls (n=25); however, the mean score for both groups was below average. CONCLUSION Data provide support for increased interventions targeted toward lowering the risk factors for CHD and other chronic diseases in adolescents.

Factors associated with sources of influence/information in reducing red meat by elderly subjects

A number of studies have found that health beliefs and social influences predict changes in dietary intake, including red meat. These studies have not determined what kinds of individuals are more likely to change their diets due to the advice of physicians, the advice of significant others, or because of mass-media exposure. We obtained data from 424 elderly Houstonians regarding whether they had attempted to reduce red meat consumption and if so, why. Social network, health status, food attitude and demographic variables are used to differentiate those who have made physician-induced changes from other sources of influence/information for change. Elderly subjects with smaller abdominal girth measurements are more likely to make red meat reductions regardless of the source of influence/information; those who believe in the efficacy of health foods are more likely to give physicians and mass media as sources of influence/information for red meat reductions. Men are more likely than women to report red meat reductions because of mass media and physician influences. Women who receive a greater amount of companionship from their social networks are more likely to change because of friends/relatives influences.

Distribution of cow-calf producers' beliefs regarding gathering and holding their cattle and observing animal movement restrictions during an outbreak of foot-and-mouth disease.

The voluntary cooperation of producers with disease control measures such as movement restrictions and gathering cattle for testing, vaccination, or depopulation is critical to the success of many disease control programs. A cross-sectional survey was conducted in Texas in order to determine the distribution of key beliefs about obeying movement restrictions and gathering and holding cattle for disease control purposes. Two questionnaires were developed and distributed to separate representative samples of Texas cow-calf producers, respectively. The context for each behavior was provided through the use of scenarios in the questionnaire. Belief strength was measured using a 7-point Likert-like scale. Producers surveyed were unsure about the possible negative consequences of gathering and holding their cattle when requested by authorities, suggesting a key need for communication in this area during an outbreak. Respondents identified a lack of manpower and/or financial resources to gather and hold cattle as barriers to their cooperation with orders to gather and hold cattle. Producers also expressed uncertainty about the efficacy of movement restrictions to prevent the spread of foot-and-mouth disease and concern about possible feed shortages or animal suffering. However, there are emotional benefits to complying with movement restrictions and strong social expectations of cooperation with any movement bans put in place.

Healthy Foods for Healthy Aging: The Case for Protein

Abstract Food choices that older adults make based on the 2015–2020 Dietary Guidelines for Americans (DGA) vary greatly by gender, education level, and race to some degree. Achieving healthy aging often means they must change their ideas about food selection. Encouraging the increased intake of milk and milk products and seafood is based on research that supports multiple benefits from the nutrients and, especially in the case of dairy, bioactive content of these products. Research supporting a high-protein intake for older adults includes preserving function and avoiding frailty and other diseases and emphasizes the need to reconsider the Recommended Dietary Allowance for protein. While cardiovascular and diabetes risk may be slightly increased in individuals, eggs are a wise food choice for older adults because of the high quality of their protein and the bioavailability of lutein and zeaxanthin. A high-protein Mediterranean diet would be a good choice. Healthy eating is one step toward helping older adults have their last years be more about life than about disease.

Dietary Intake of College Students: Attitudes, Knowledge and Dietary Quality

ABSTRACTThe objectives of this study were to identify the degree to which dietary intakes of college students met current dietary recommendations and to assess relationships between knowledge of food composition or attitudes toward diet and nutrition and dietary intake. A three-part questionnaire with six days of food records was administered to undergraduates over a 12-week period to obtain background information, as well as data on knowledge, and attitudes toward nutrition and health. To determine dietary adequacy, dietary intake was compared to 1989 recommendations from the National Research Council (NRC). A high proportion reported modifying their diets during the previous year to decrease fat, increase fiber, etc., indicating interest in nutrition. However, only 15% of males (n=73) and less than 30% of females (n=76) achieved NRC recommended levels of dietary fat and saturated fat while only 13% of females had enough calcium. Other nutrients which were of concern included the antioxidants, vitamins A...