CREATION OF A MULTIETHNIC DIETARY SURVEY FOR ELDERS

癌症发病率在美国（U.S.）的不同种族亚群之间差异很大。虽然美洲原住民的癌症发病率通常较低，但最近的数据表明，这些数字正在增加。饮食摄入模式的改变可能是造成这些差异的原因之一。由于癌症是一种衰老性疾病，因此准确可靠地测量老年人的饮食摄入量对于估计饮食与癌症的关系非常重要。这些知识将促进特定文化癌症控制计划的开发和评估。在美国，缺乏可用于评估老年人摄入量的饮食评估工具，尤其是不同种族背景的老年人。该项目的目标是制定一项饮食调查，准确可靠地评估犹他州老年印第安人（纳瓦霍人和尤特人）和高加索人的饮食摄入量。该项目的完成将为今后收集老年人饮食数据的工作奠定良好的基础。本提案中描述了四个连续目标：1）确定癌症相关营养素的食物来源，例如，维生素C，β-胡萝卜素，维生素E，叶酸和纤维，在饮食中的美洲原住民和高加索老年人谁超过50岁，使用24小时回忆法。2)为美洲原住民和高加索老年人制定一个基于多种族食物频率的饮食评估策略，编写一份相关的食物清单。3)修改PicSort膳食评估方法，以评估老年人摄入预防癌症的营养素和食物的频率。将利用焦点小组来评估其效用。4)确定纳瓦霍人和尤特人的传统植物和动物食物来源，为基于传统饮食方式的减少癌症风险食物干预措施提供基础。为实现这一目标，将组织焦点小组。

Cancer rates differ dramatically among various ethnic subgroups in the United States (U.S.). Although cancer rates have typically been lower among Native American populations, recent data indicate that these numbers are increasing. Changing patterns of dietary intake may account for some of these differences. Since cancer is a disease of aging, accurate and reliable measurements of dietary intake among the elderly are very important in estimating diet and cancer relationships. This knowledge will facilitate the development and evaluation of culturally-specific cancer control programs. There is a dearth of dietary assessment tools available for assessing intakes of elderly in the U.S., particularly elderly of various ethnic backgrounds. The goal of this project is to formulate a dietary survey that will accurately and reliably assess dietary intakes of elderly Native American (Navajo and Ute) and Caucasian populations in Utah. Completion of this project will form an excellent basis for future dietary data collection efforts among the elderly. Four sequential objectives are described in this proposal: 1) Determine the food sources of cancer-related nutrients, e.g., vitamin C, beta- carotene, vitamin E, folate, and fiber, in the diets of Native American and Caucasian elderly adults who over 50 years of age using 24 hour recall methods. 2) Compose a relevant food list for the creation of a multi-ethnic food frequency questionnaire-based dietary assessment strategy for Native American and Caucasian elderly. 3) Modify the PicSort dietary assessment method to assess the frequency of intake of cancer-preventive nutrients and foods in the elderly. Focus groups will be used to assess its utility. 4) Determine traditional plant and animal food sources among Navajo and Ute to provide a basis for cancer risk reduction food-based interventions based on traditional foodways. Focus groups will be conducted to accomplish this goal.