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National Nutrition Monitoring System: implications for public health policy at FDA.

The National Nutrition Monitoring System (NNMS) plays an essential role in major nutrition activities of the Food and Drug Administration (FDA). In relation to the current sodium initiatives, it permits the measurement over time of changes in the sodium content of the food supply and in typical diets; in sodium labeling in the marketplace; in public awareness, concerns, and practices; and in the prevalence of hypertension and related factors, such as obesity. The FDA is responsible for U.S. fortification policy and its regulation. Currently, fortification policies and practices are being reexamined, largely on the basis of analysis and interpretation of data from the 1976-1980 second National Health and Nutrition Examination Survey, which is a core component of the NNMS. FDA studies that are components of the NNMS, such as a recent survey of dietary supplement consumption, provide comprehensive data in specialized areas. Department-wide nutrition programs are also heavily dependent upon the NNMS for monitoring capabilities. Two current activities that will rely on NNMS data are the monitoring of progress in the Nutrition Objectives for the Nation for the 1990s and the development of departmental policy regarding diet, nutrition, and degenerative diseases.

Adolescent↗

Household food security among migrant and seasonal latino farmworkers in North Carolina.

OBJECTIVE: Food insecurity is defined as lack of access at all times, due to economic barriers, to enough food for an active and healthy lifestyle. The objective of this study was threefold: to characterize levels of food security, food insecurity, and hunger among migrant and seasonal Latino farmworkers; to assess predictors of food insecurity for this group; and to describe the strategies farmworkers use to cope with food insecurity. METHODS: Adults from 102 farmworker households in North Carolina responded to a survey that used a Spanish-language adaptation of the U.S. Household Food Security Survey Module and questions about sociodemographic characteristics and food behaviors. Twenty-five farmworkers participated in in-depth interviews in which they described their households' food security situation and coping strategies. RESULTS: Forty-eight of the 102 sample households (47.1%) were classified as food insecure, including 10 (9.8%) with moderate hunger and five (4.9%) with severe hunger. Households with children had a significantly higher prevalence of food insecurity than those without children (56.4% vs. 36.2%). Households with children accessed food programs such as the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) that were unavailable to those without children, while those without children were more likely to access food pantries and to consume wild game or fish. Coping strategies included borrowing money, reducing food variety, and adults consuming less food to protect children from hunger. Food insecurity was more than four times as prevalent among farmworker households as among the general U.S. population. CONCLUSION: Policy changes to increase economic resources and access to federal programs are needed to decrease this food insecurity.

Adolescent↗

Updating the WIC food packages: it's about time.

This issue brief reviews key revisions to the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) program proposed by the USDA, which are based substantially on recommendations by the Institute of Medicine. Should the changes become regulation, they will be the most significant revision of the WIC food packages in over 25 years. This brief describes the changes, the impetus for their consideration, and possible implementation issues from the perspectives of vendors, state and local WIC agencies, and participants.

Adult↗

Dental caries prevalence and treatment levels in Arizona preschool children.

OBJECTIVES: To assess the prevalence of dental caries in a large group of preschool children, to determine the extent to which the children received dental treatment, to examine the association between demographic and socioeconomic factors and the prevalence of caries, and to compare these findings with those from previous studies of preschool populations in the United States. METHODS: Dental caries exams were performed on 5171 children ages 5 months through 4 years, and a parent or other caregiver was asked to complete a questionnaire giving information about the child and her or his household. The children were recruited from Head Start programs; Women, Infants, and Children (WIC) nutrition programs; health fairs; and day care centers in a representative sample of Arizona communities with populations of more than 1000 people. RESULTS: Of the 994 one-year-old children examined, 6.4% had caries, with a mean dmft (decayed, missing [extracted due to caries], and filled teeth) score of 0.18. Nearly 20% of the 2-year-olds had caries, with a mean dmft of 0.70. Thirty-five percent of the 3-year-olds had caries, with a mean dmft of 1.35, and 49% of the 4-year-olds had caries, with a mean dmft of 2.36. Children whose caregivers fell into the lowest education category had a mean dmft score three times higher than those with caregivers in the highest education category. Children with caregivers in the lowest income category had a mean dmft score four times higher than those with caregivers in the highest category. Children younger than age 3 had little evidence of dental treatment, and most of the children with caries in each age group had no filled or extracted teeth. CONCLUSIONS: The data show that dental caries is highly prevalent in this preschool population, with little of the disease being treated. Timing of diagnostic examinations and prevention strategies for preschool children need to be reconsidered, especially for children identified as having a high risk of caries.

Arizona↗

Methodological challenges in performing targeting: assessing dietary risk for WIC participation and education.

This paper summarizes recent evaluations of indicators of dietary risk used to determine eligibility and nutrition education and counseling within the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC). The concept of dietary risk relates to an inadequate dietary pattern or a failure to adhere to the food guide pyramid and, within WIC, is typically assessed based on an individual's intake from a 24-h recall or FFQ. Available evidence suggests, however, that even with a high-quality technique, substantial error exists in these data at the level of the individual, making the likelihood of misclassification high. Such data, with appropriate statistical procedures, can provide valid information at the group or the population level, and this is a future area for indicator development and incorporation into the management of WIC and other nutrition education programs addressing dietary risk.

Child↗

Recipes and nutrition education.

Since the beginning of the science of nutrition in the 1800s, nutritionists have been concerned about the use of recipes in nutrition programs. Although research indicates that recipes may be most used by those with a high school education and with food preparation experiences, recipes appear to be valuable in providing many forms of food and nutrition information to individuals with varying education levels. Factors that should be considered in selecting recipes are: clients' nutritional and dietary status, money, equipment, literacy, information and knowledge, and life-style. Subsequently, evaluation is needed to document impact on clients' food habits and to justify the approach in nutrition education programs. This project reviewed procedures used by nutritionists to assess clientele needs and evaluated the tools they use in education programs. Although it focused on recipes, the same information could have been obtained for handouts, posters, slide series, comic books, storybooks, and demonstrations. Research is needed in nutrition education to identify standards for the use of tools, such as recipes, and to study their impact on improving dietary adequacy of clientele. Such standards should be tested within a theoretical framework so that they will be useful in other situations.

Cooking↗

Food management for the aging population.

The older population is becoming more important to our society everyday. These individuals are being studied for their past, present, and potential impact on markets and marketing. Evaluated as a user of products or services in the marketplace or an employee or volunteer within the marketing system, this segment is gaining a visibility and importance. An interview was conducted with five Nutrition Project Directors to obtain an overview of Federally Funded Nutrition Programs for the Elderly. The areas which were highlighted were service delivery, site activities, management styles, barriers to service, clientele composition, food planning and preparation, staffing, USDA funding, coordination, marketing, transportation, and volunteerism. The Second Quarter Service Provider Output Reports for 1991, which are compiled by the Nutrition Projects and submitted to the Area Agency on Aging, were utilized to obtain client profile information (Reports, 1991). The analysis sought to compare the programs offered in the five counties on a number of factors which could be quantified. It was hoped that by looking at the numerical ratios, and depicting them graphically, any trends or unique characteristics of the programs could be identified. In that the percentage of Florida's present elder population (17%) far exceeds the national average (12%) these findings could be utilized by nutrition programs outside of Florida to plan for future funds. Analysis of quantitative information on the five programs yielded information on cost comparisons and on services.

Aged↗

Adolescent and Young Adult Male Hockey Players: Nutrition Knowledge and Education.

Athletes often have inadequate nutrition knowledge and poor nutritional habits, which can have a negative impact on athletic performance. This study assessed the nutrition knowledge of competitive adolescent and young adult male hockey players, and examined the impact of a nutrition intervention program, Sport Nutrition for the Athletes of Canada (SNAC). Before the intervention, nutrition knowledge was tested in 175 adolescent and young adult male hockey players. The intervention was provided as part of a hockey camp curriculum and was based on the SNAC workbook, which emphasizes achieving a balanced diet with adequate energy and fluid intake. After the intervention, nutrition knowledge was assessed in a subgroup of 33 hockey players. The pre-intervention nutrition knowledge score was 45% (n = 175), which suggests this population had little sport nutrition knowledge. Nutrition knowledge scores two weeks after the intervention showed no meaningful improvement in the subgroup. The results of this study suggest that the SNAC nutrition intervention program offered under the conditions of this study, did not effectively improve nutrition knowledge in adolescent and young adult male hockey players.

Journal Article↗

Nutrition and health promotion in older adults.

During recent decades, the concept of health promotion has become a legitimate part of health care because of the aging of the postwar baby boom generation. As this population ages, the potential strain on health care systems will increase because the greatest use of health care services occurs during the last years of life. In older adults there are many correctable health factors that can be assessed through screening protocols. Hypertension, cholesterol, hearing, vision, diabetes, and cancer screening are well integrated into health promotion programs; nutrition promotion programs are not as well integrated. Reluctance to develop health promotion programs for older adults exists because of a perception that they would not follow such plans or change their lifestyles. However, longitudinal studies have shown that health promotion activities extend the number of years of health in older people although the relationship weakens in older age. Changes in diet and exercise patterns are most effective in the prevention of nutrition-related conditions when they are instituted early in life, but positive effects can occur at any age. If nutritional interventions are instituted early, a substantial reduction in health care expenditures may result from a decrease in the incidence or the delayed onset of these conditions. Changes in behaviors (reducing salt and fat intake) were positively associated with a belief that consuming a healthful diet would contribute to better health. The use of a variety of adult education theories and models will enhance behavior changes that lead to more healthful habits and enable a health educator to be successful in effecting change.

Aged↗

The challenge of preventing and treating obesity in low-income, preschool children: perceptions of WIC health care professionals.

BACKGROUND: Obesity has become a common nutritional concern among low-income, preschool children, a primary target population of the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC). Nutrition counseling efforts in WIC target childhood obesity, but new approaches are needed that address the different perceptions about obesity that are held by clients and health care professionals. OBJECTIVE: To develop these new approaches, we examined WIC health care professionals' perceptions about the challenges that exist in preventing and managing childhood obesity. DESIGN: A qualitative study using data transcribed from audiotapes of focus groups and individual interviews. We independently read each transcript and coded themes; then, the common themes were selected through group meetings of the authors. SETTING: Kentucky WIC. PARTICIPANTS: Of the 19 health care professionals participating, all had provided nutrition counseling in WIC and all but one were white women. RESULTS: Twelve major themes clustered into 3 domains. The first domain centered on how WIC health care professionals perceived the life experiences, attitudes, and behaviors of the mothers they counseled. They perceived that mothers (1) were focused on surviving their daily, life stresses; (2) used food to cope with these stresses and as a tool in parenting; (3) had difficulty setting limits with their children around food; (4) lacked knowledge about normal child development and eating behavior; (5) were not committed to sustained behavioral change; and (6) did not believe their overweight children were overweight. The second domain described WIC health care professionals' perceptions of counseling interactions. They felt that (7) they might offend mothers when talking about weight, (8) counseling was driven by protocols, and (9) their nutritional advice often conflicted with the advice from the mothers' relatives, friends, or primary care physicians. The last domain described programmatic suggestions WIC health care professionals offered to address childhood obesity: These included (10) promoting a more client-centered approach to counseling, (11) establishing behavioral change goals that were small and endorsed by the mother, and (12) working with primary care physicians to create a more uniform approach to counseling on obesity. CONCLUSIONS: To become more responsive to the problem of childhood obesity, WIC should consider the following: (1) providing staff training in counseling skills that educate parents on child development and child-rearing and that elicit the client's social context and personal goals, (2) shifting time allocation and programmatic emphasis in the WIC visits away from nutritional risk assessment and toward counseling, and (3) developing collaborations with primary health care providers and community agencies that impact childhood obesity.

Adult↗

High school students' attitudes and knowledge of food consumption and body image: implications for school based education.

One-hundred-and-forty-one high school students from Holon between the ages of 14 and 18 years participated in the study. The aims of the study were to investigate their nutritional habits, ascertain their body image, measure their knowledge concerning nutrition and finally to determine their attitudes regarding overweight, obese people and dieting. The study is a cross-sectional survey and the students involved completed a self administered questionnaire anonymously at school. The response rate was 97%. Forty-four percent of the total study population expressed a subjective feeling of being obese while, in truth, only 10% of them were actually overweight, and 48% among all participants practised weight reduction diets (girls three times more than boys). In addition to that another 53% of the pupils expressed the desire to be thinner than they were (girls four times more than boys). Nine percent of the study group experienced self-induced anorectic episodes at sometime during the past few years. It was observed that the study group's knowledge concerning food composition and nutrition remains insufficient. As far as their attitude concerning obesity, it was observed that 31% of the students regarded obesity as a handicap. Students who were athletics demonstrated more severe and stricter attitudes towards nutrition and obesity. Most of the information concerning nutrition was obtained through the media. School education about food and nutrition only amounted to 28.3% of the total. Seventy-nine percent of the students believe that nutrition should be integrated into their curriculum. Forty-four percent of the students feel themselves to be overweight, and 53.4% want to be thinner. Half of the students were on various diets. The students' knowledge of food and nutrition, the risk of obesity and the danger of excessive diets was insufficient. Most students presented negative attitudes towards obesity and overweight people. The media was the principal source of information on all these areas. Our main conclusion is that an educational nutrition program should be given to pupils in school by physicians and dietitians during all the years of public school attendance. The instructions of these programs should emphasize the importance of balanced nutritional regimes, as well as the risk and consequences of extreme dieting.

Adolescent↗

Reducing the rate of teen pregnancy in Canada: a framework for action.

In partnership with the Young/Single Parent Support Network of Ottawa-Carleton and Timmin's Native Friendship Centre, the Canadian Institute of Child Health has completed a framework to reduce the rate of teen pregnancy in Canada. The final document is called Pro-Action, Postponement, and Preparation/Support: A Framework for Action to Reduce the Rate of Teen Pregnancy in Canada. The objectives were to learn what is currently being done and what needs to be done on this issue across the country, and to explore the potential role of projects funded by the federal Canada Action Program for Children (CAPC) and Canada Prenatal Nutrition Program (CPNP) in reducing the rate of teen pregnancy. Being an extremely complex and sensitive issue, the report was a culmination of a number of research methods: over 40 key informants from diverse backgrounds and expertise were interviewed to determine the scope of the problem and potential solutions; a detailed literature review identified existing date and documentation on the topic, using both Canadian and international studies; youth surveys and focus groups were conducted in both on-reserve Aboriginal communities and non-Aboriginal communities.

Adolescent↗

Intakes and sources of a range of dietary sugars in various Australian populations.

Data from the Apparent Consumption of Foodstuffs publications of the Australian Bureau of Statistics have, until recently, been the major source of information in Australia about the consumption of refined sugars. This database, which relies on national figures for production, importation, export, storage and stocks, and on population statistics, had indicated that some 14% of the total energy that was available in Australia was derived from refined sugars. Similar figures have been derived for both the United States and United Kingdom by means of this kind of national food-availability database. However, a recent reanalysis of a large-scale dietary survey of individuals in the United States has indicated a much lower level of consumption of refined sugars. In recent years, several large-scale surveys of individuals' consumption patterns in the Australian population have been carried out by the Social Nutrition Program at the CSIRO Division of Human Nutrition. These surveys indicate that the mean level of consumption of refined sugars is not as high as that which previously was estimated from Apparent Consumption data. However, there was a wide range of intakes and a substantial proportion of individuals with intakes that were above recommended levels.

Adult↗

The importance of high-level training for nutrition scientists in Sub-Saharan Africa.

Can the African people investigate and critically analyse nutrition needs in their context, identify national or community nutrition problems, plan and evaluate nutrition programs, educate, and communicate scientific knowledge in nutrition without high-level trained staffs with a strong scientific base in human nutrition? Will they be able to tackle their nutrition problems without a sustainable organisation for long-term training and research? In this paper, an attempt is made to analyse factors that will contribute to improving human nutrition in Sub-Saharan Africa. The paper also highlights an experience of institutional capacity building in Senegal, West Africa.

Africa South of the Sahara↗

Nutritional support for the patient with chronic obstructive pulmonary disease.

Malnutrition is reported in a significant percentage of COPD patients, and it may contribute to the onset of acute respiratory failure. Weight loss is due to the decrease of caloric support caused by breathlessness, digestive alterations due to hypoxemia and to the increase of energy expenditures caused by increased baseline requirements and diet induced thermogenesis (DIT). Malnutrition limits the ability to produce surfactant, leads to reduced protein synthesis, reduces cell mediated immune responses raising the patient's susceptibility to lung infection and affects the functioning of peripheral and respiratory muscles. The combination of malnutrition and COPD has devastating effects. Nutritional support is, therefore, an important part of therapy for the stable COPD outpatients, for hospital COPD patients and for ICU COPD patients. The nutritional program should follow an assessment of the nutritional status. With a correct number of calories and a correct composition of nutrients, it is possible to help these patients in the different clinical stages of the disease.

Humans↗

The challenge of improving iron nutrition: limitations and potentials of major intervention approaches.

Various approaches to improving iron status are discussed. Success in controlling iron deficiency worldwide will require the exploration and demonstration of all possible options. The approaches, which are not mutually exclusive, include iron supplementation, nutrition education, reducing intestinal parasites (particularly hookworm), expanding fortification of processed foods, and developing crops that are more iron bioavailable. Coordination with existing health and nutrition programs can enhance progress toward better overall nutrition. For example, in the development of food fortification or of crops with higher nutritional value, the combination of multiple micronutrients can be considered. Within the primary health care system, iron supplementation and deworming can be coordinated with other health care activities. The ultimate success in control of iron deficiency will depend on how well the various intervention approaches can be integrated within the current framework of public health, food processing, and agriculture development.

Adult↗

Targeting performance of three large-scale, nutrition-oriented social programs in Central America and Mexico.

This study evaluated whether three nutrition-oriented programs in Central America and Mexico have been successful in targeting those households most vulnerable to undernutrition and poverty. For each country, nationally representative data sets were used to estimate cutoff points dividing the population into 10 equal-sized groups according to child anthropometric measurements (age-standardized height) and household income (per capita household expenditures). Households meeting eligibility criteria were then assessed using special baseline surveys or national data obtained before implementation of the program. Children in these households were classified according to national deciles of height-for-age, and households were classified according to expenditure deciles. In spite of markedly differing targeting strategies, each of the programs was well targeted, with 45% (Honduras and Mexico) and 52% (Nicaragua) of children in eligible households coming from the lowest two deciles of the national distributions, and virtually none from the upper two deciles. Similar results pertained to household income. These experiences demonstrate that vulnerable households can be targeted relatively straightforwardly, and that the need to do this does not in every case imply household-level income screening.

Adult↗

Enhancing the level of nutrition education at Tufts University's Medical and Dental Schools.

The current medical and dental curricula at Tufts were evaluated to ascertain the breadth and depth of their nutrition programs. The program, which both schools plan to initiate, to enhance the level of nutrition education involves (1) development of nutrition units for the first and second year, (2) expansion of required nutrition courses in the second year, (3) diet lunches in the third year introducing the role of nutrition in the clinical setting, and (4) nutrition rounds in the fourth year. A combined medical-dental seminar will be presented each year. At the end of the five-year funding period, it is anticipated that a manual will be available to all medical and dental schools that includes (1) nutrition units, (2) methods of dietary assessment in medical-dental practices, (3) nutrition interaction for the prevention of chronic disease in medical-dental practices, and (4) nutrition support for chronic disease and cancer, and case studies on nutrition and disease. The success of this program will be evaluated on the basis of goals and a national nutritional literacy exam.

Boston↗