Dietetics and Clinical Nutrition Commons^™

The Now Trial: A Pragmatic Randomized Controlled Trial Of Personalized, Genetic-Based Lifestyle Advice, Justine Rochelle Horne

Electronic Thesis and Dissertation Repository

Background: The impact of nutrigenomics and lifestyle genomics interventions on health outcomes and behaviours remains controversial and under-explored.

Objectives: To determine the short-term (3-month), moderate-term (6-month) and long-term (12-month) impact of providing personalized, genetic-based lifestyle information and advice on anthropometric measures, as well as dietary intake and adherence.

Methods: The nutrigenomics, overweight/obesity and weight management trial (NOW Trial) is a pragmatic randomized controlled trial that was incorporated into the Group Lifestyle Balance™ (GLB) program (N=140). Inclusion criteria: overweight or obesity (BMI ≥ 25 kg/m²), ≥ 18 years of age, English-speaking, having access to internet at least …

The Development And Evaluation Of A Smartphone Nutrition Intervention For Adolescents, Sarah A. Cappuccitti

Electronic Thesis and Dissertation Repository

A diet high in fruit and vegetables is associated with the prevention of many chronic diseases; however, only one in ten Canadian students in grades 6 to 12 consume the recommended daily intake of fruits and vegetables. Using smartphones to deliver nutrition interventions is an emerging area of research, although to-date these interventions typically limit their focus to weight loss. The overarching purpose of this research is to redevelop and evaluate an existing smartphone application for an adolescent population. This thesis used a mixed-methods approach to gain adolescent perspectives on how to redevelop the app and to evaluate its use …