Diet Logging Mechanism Team Members: Natasha Benkovich, Kaitlin Brendel, Aaron Freis, Matt Hoffman, Vincent MiClient: Walter BlockAdvisor: Mitchell TylerBackgroundObesity is a big problem in the U.S. — leads to:Cardiovascular diseaseDiabetesCancerApprox. 60 million Americans are obese (BMI > 30) [CDC]National obesity rate is continuing to climb despite growing awareness on the issueDieting$40 billion a year industry in the United States [Business Week]We are all familiar with a multitude of weight loss products and companiesMost diet programs advocate some type of diet logging Diet logs vary from a simple notepad and pen to advanced digital logsElectronic Diet LogsRequire exact quantitiesAttempt to provide complete nutritional informationTime consumingExtreme dedication requiredProblem StatementCollege students have poor eating habitsDiet logging is an effective method to eat wellProblems with current diet logsLow complianceInaccurateNational Institute of Health (NIH) GrantPDS SummaryCollege-aged adults (approx. 18-24 years)Readily available device or applicationMichael PollanSmaller portionsMore plantsFoods categorizedDoes not count caloriesGeneral idea of what a person is eatingDesign 1: WebsitePart Blog — suggest new habits and provide inspiring information Part Restaurant/Grocery DatabaseInitially localized to UW-MadisonGive healthy optionsOther: location awareness, comparisons, ratings, comments, etcWho are we to say what is healthy?High upkeepInnovative design, but questionable engineeringDesign 2: ProbeFood probe that will classify food as you eat itIntegrate intoUtensils: fork, spoon, knife, etc.Tooth fillingQuestionable FeasibilityPotentially excessive testing requiredDesign 3: PicturesVisual log more engaging and influentialSmartphone hardwarepopular with college demographicreadily availableuser takes before/after picturesDecision MatrixWebsiteProbePicture App.Feasibility (25)15010Nutritional Recommendation (25)152025Convenience (20)12320Availability (10)1025Upkeep (20)01510Total524070Final Design: Picture LogUser takes picture of everything they eatReadily available through smartphone hardwareInteractive interfaceFeedback — weekly reviewRelative QuantitiesQualitative, not quantitativeUser selects between sizesSmallMediumLargeCategorizationUser draws circles around foods, based on food groupsArea of a circle allows for a rough estimate of quantityCustom categoriesFeedbackWeekly reviewPhoto slideshowWeek of meals, in picturesEnd of the week quiz: “do you know what you ate?”Summary of weekly food intake by categoryPictures can also be sent to a researcherFuture WorkChoose application platformiPhoneAndroidWindows MobileProgrammingFind researcher to implement programForm of assessmentChoice of
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