Date of Award


Degree Type


Degree Name

Master of Science (MS)


Nutrition and Food Sciences

First Advisor

Geoffrey Greene


Objective: To evaluate the mobile application, LaLa Lunchbox, on improving the dietary quality of lunches brought from home. Design: Quasi-experimental design. Setting: Middle school in East, Greenwich, RI. Participants: 25 students in the 6th grade who were predominately white (72%) females (76%) with an average age of 11.2 years. Intervention: For 4 weeks, LaLa Lunchbox app was used to create virtual lunchbox for each school day of the following week. Main Outcome Measure: Lunch Quality Index (LQI) scores calculated based on the presence or absence of fruit, vegetables, protein, or empty calorie snack with a maximum score of 4 points based on four lunch observations at baseline, week 2 and 4 of intervention, and 1 week follow-up. Analysis: A repeated-measures analysis of variance (ANOVA) measured the LQI score over time between the 2 groups. Results: Although there were no differences between groups, there was an effect of time on LQI score (p