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Examination of Diet and Nutrition Status for Pregnant Women, Infants and Children: Longitudinal Follow-up Cohorts and Cross-Sectional Comparison Designs
The purpose of this three-year local nutritional epidemiological study is to examine diet and nutrition status for women and their children to understand the interrelationships between nutrition-related factors with growth and health status. This proposal consists of two major study designs (longitudinal follow-up cohort study and cross-sectional comparison study) and four methodology studies (1. calculation for glycemic index (GI) and glycemic load (GL) by food recalls/records and food frequency questions; 2. development of quantitative measures for breast feeding; 3. development of dietary assessment tools for young children and their families; 4. improvement for food composition and related databases). In the past six years, we have followed and collected diet and nutrition information from two small cohorts recruited from the Taipei Women and Children’s Hospital and National Taiwan University Hospital. Currently, we have finished collecting data from 5 years old for the first cohort (n=181) and continued to collect data from 3 years old for the second cohort (n=150). Since our full time research assistant arrived just arrived in June, the cross-sectional study will recruit pregnant women in the summer. Currently, we finished the calculation system for GI and GL by two methods. In addition, we delivered the breast milk sample to Food Industry Research and Development Institute and collect test weighing data from 15 breast feeding infants from 6-12 month old. Two graduate students are examining the food composition data for folate, choline, and the conversion factors for various forms of vitamin A and vitamin E. In this report, most contents were derived from the poster in the annual conference for Taiwan Nutrition Society in May 2009, consisting of combined data from two cohorts and examine the interrelationships for growth and nutrition status by high, medium and low birth weight groups.
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