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Determination of Perceived Calorie C...

Ruiz, Sarah Leticia.

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Determination of Perceived Calorie Content of Common Foods.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Determination of Perceived Calorie Content of Common Foods./
作者:	Ruiz, Sarah Leticia.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	130 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-01, Section: B.
Contained By:	Dissertations Abstracts International83-01B.
標題:	Nutrition. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28496410
ISBN:	9798516071775

Determination of Perceived Calorie Content of Common Foods.
Ruiz, Sarah Leticia.

Determination of Perceived Calorie Content of Common Foods. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 130 p.

Source: Dissertations Abstracts International, Volume: 83-01, Section: B.

Thesis (Ph.D.)--The University of Texas at El Paso, 2021.

This item must not be sold to any third party vendors.

Currently, dietary weight-loss interventions focus on recommended caloric intake aimed at creating an energy deficit through the use of calorie-based education. This approach assumes individuals can accurately estimate caloric content of foods and beverages, yet little is known about the validity of such assumptions. This study assessed the accuracy of perceptions of calorie content for individual food items and mixed meals and determined its association with education level, nutrition background, body composition, fruit and vegetable intake, and the domains of eating (emotional eating, uncontrolled eating, and cognitive restraint). A cross-sectional survey assessed calorie perceptions using both visual food displays and written descriptions for 36 items including foods, beverages, and mixed meals. Demographic information was collected from each participant as well as body composition using bioelectrical impedance. Fruit and vegetable intake was assessed by measuring skin carotenoid levels using reflectance spectroscopy. Domains of eating were evaluated using the Three Factor Eating Questionnaire. Overall calorie perception accuracy ranged from 0-4,287,757% and 0-300,143 Calories off the actual amount. Compared to all other individuals and others with a similar level of education, dietetic professionals had higher accuracy on most survey items, but were not more accurate at estimating calories in most mixed meals. Individuals with higher levels of percent body fat were less accurate at assessing calories. Fruit and vegetable intake was not correlated with calorie perception accuracy in the majority of survey items. Regardless of current weight loss efforts, individuals with overweight or obesity were not more or less accurate at assessing calories. The three domains of eating only influenced accuracy for a few survey items with the exception of cognitive restraint which was positively associated with accuracy in slightly less than half of the items. Dietary weight-loss interventions could focus on acquiring accurate baseline knowledge of caloric content of foods, beverages and mixed meals prior to engaging in weight-loss management programs where calorie content is central to the intervention. The findings of this study suggest the need to develop interventions aimed at improving calorie estimations.

ISBN: 9798516071775Subjects--Topical Terms:

517777
Nutrition.
Subjects--Index Terms:

Calorie accuracy

Determination of Perceived Calorie Content of Common Foods.
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