Development of the smart phone serious game for managing the childhood obesity and forming diet habits, named “With-Mom Childhood Obesity Management (WMCOM)”

1. Development of the smart phone serious game for managing the childhood obesity and forming diet habits, named “With-Mom Childhood Obesity Management (WMCOM) Meihua Piao , Jeongeun Kim College of Nursing, Seoul National University This work was supported by the National Research Foundation of Korea(NRF) grant funded by the Korea government(MSIP) (No.2010-0028631)

2. 14 hours flight to the Netherlands “Gangnam Style”

3. Guus Hiddink

4. Purpose of the study • Develop the With-Mom Childhood Obesity Management (WMCOM) smart phone serious game (SSG). • Analyze the effectiveness of the SSG for weight control. • Habit formation theory based on “context-specific repetition” is used as the approach method

5. Childhood Obesity Trends in South Korea

6. What is the problem? Competition Life Anxiety Stress Obesity Night study Late night snack Fast food intake

7. Watching TV 31% Computer game & Internet 26% Communication 10% Self development 9% Religious activity 4% Rest 5% Sports activity 5% Others 10% Children and Adolescents’ Leisure activity (Weekend)

8. Habit formation Cue: Certain time Certain situation Routine: Repetition of simple behavior Reward: Intrinsic reward Extrinsic reward

9. Routine: Repetition of simple behavior The Five Rules 1. Eat Breakfast 2. Have three meals a day (Eat slowly, chew the food thoroughly) 3. Eat plenty of vegetables 4. Exercise 3 times a week 5. Use computer/Watching TV time less than 2 hours a day Mission Pool Diet Exercise Level 1 Level 2 Level 3 Level 1 Level 2 Level 3

10. Mission Pool Sample Diet Level 1 Drink a cup of milk before go to school Level 2 When having lunch at school, eat the food slowly for over 20 minutes Level 3 Don’t eat snack after 8 pm Exercise Level 1 Walk 5,000 steps 30 minutes after dinner Level 2 Stand up for 10 minutes while watching TV Level 3 Play football for 1hours on Sunday morning From simple to complex

11. Reward • Compliment message • Smile face • Avatar shape change • Point • Badge • Show daily ranking • Level up (leadership authority) Intrinsic (by Mother) Extrinsic (by App Manager)

12. Height : cm Weight: kg Age: Gender: Goal: Top _____% Scenario

13. Scenario: With Mom Mission Mission Drink a cup of milk Time at 7am Repeat 5 days/week Duration 2 weeks My Mission Child: Drink milk at 7am, 5days/week, in 2 weeks Mission Mother: Make & Provide milk Mother Yes NO Get Game Point Show Ranking Child Yes NO Get Game Point, badge Encourage message from mother Upgrade my Avatar Show Progress Cue: alarm

14. Scenario: With Friends Mission Mission Eat breakfast Time at 7am Repeat 5 days/week Duration 2 weeks Our Mission If the child has enough Point, Level up as Leader Leader Authority • Group name • Group mission • Group goal • Recruit team member I’m Leader Kim Joy Group Group Mission YES NO Trophy Upgrade Avatar Continue the group Or Re-grouping

15. To sum up the points • Mother & child interaction • Peer group cooperation • Habit formation GAME USER • Place great importance on their peer group • Craving for being loved, known & not isolated