Crystal Smit

TABLE OF CONTENTS Chapter 1 General Introduction 11 Chapter 2 A Social Network-Based Intervention Stimulating Peer Influence on Children’s Self-Reported Water Consumption: A Randomized Control Trial 25 Chapter 3 An Integrated Model of Fruit, Vegetable, and Water Intake in Young Adolescents 45 Chapter 4 Promoting Water Consumption Among Children: A Three-arm Cluster Randomized Controlled Trial Testing a Social Network Intervention 65 Chapter 5 Promoting Water Consumption Among Dutch Children: An Evaluation of the Social Network Intervention Share H 2 O 93 Chapter 6 General Discussion 127 References Declarations and Data Management Dutch Summary (Samenvatting) Acknowledgements (Dankwoord) 144 170 172 180 About the Author 186