1. World Health Organization (WHO). Report of the commission on ending childhood obesity [Internet]. Geneva: WHO;c2016. [cited 2017 Jul 22]. Available from:. https://apps.who.int/iris/bitstream/handle/10665/204176/?sequence=1.
2. Korea Health Promotion Foundation. 2010-2014 Children·ad-olescent obesity factsheets. Seoul: Korea Health Promotion Foundation;2015. p. 5.
3. Centers for Disease Control. Make a difference at your school [Internet]. Fort Worth (TX): Chronic Disease;c2013. [cited 2017 Feb 22]. Available from:. http://digitalcommons.hsc.unt.edu/disease/31.
4. Shirley K, Rutfield R, Hall N, Fedor N, McCaughey VK, Zajac K. Combinations of obesity prevention strategies in US elementary schools: A critical review. The Journal of Primary Prevention. 2015; 36(1):1–20. https://doi.org/10.1007/s10935-014-0370-3.
Article
5. Blüher S, Kromeyer-Hauschild K, Graf C, Grünewald-Funk D, Widhalm K, Korsten-Reck U, et al. Current guidelines to prevent obesity in childhood and adolescence. Klinische Pädiatrie. 2016; 228(1):1–10. https://doi.org/10.1055/s-0035-1559639.
6. Kim HR, Jo JH, Kim SW, Kang YH. A study on the prevention strategies of child and adolescent obesity. Sejong: Korea Institute for Health and Social Affairs;2014. Dec. Report No.: TRKO201500019390.
7. Yoon NH. Influences of physical activity environments on obesity among adolescents. Korean Journal of Health Education and Promotion. 2018; 35(2):25–36. https://doi.org/10.14367/kjhep.2018.35.2.25.
Article
8. Wang C, Burris MA. Empowerment through photo novella: Portraits of participation. Health Education Quarterly. 1994; 21(2):171–186. https://doi.org/10.1177/109019819402100204.
Article
9. Wang C, Burris MA. Photovoice: Concept, methodology, and use for participatory needs assessment. Health Education & Behavior. 1997; 24(3):369–387. https://doi.org/10.1177/109019819702400309.
Article
10. Yoo S. Photovoice as a research method and a strategy for community health promotion. Korean Journal of Health Education and Promotion. 2015; 32(1):77–87. https://doi.org/10.14367/kjhep.2015.32.1.77.
Article
11. Langford R, Bonell C, Jones H, Campbell R. Obesity prevention and the health promoting schools framework: Essential components and barriers to success. International Journal of Behavioral Nutrition and Physical Activity. 2015; 12:15. https://doi.org/10.1186/s12966-015-0167-7.
Article
12. Kim J, Yoo S, Sim S. Unveiling the meaning of walking for health promotion: The perspectives of urban walkers. Korean Journal of Health Education and Promotion. 2011; 28(4):63–77.
13. Rodenbaugh TA. The barriers and facilitators to physical ac- tivity on campus: An analysis of UA photovoice research [Internet]. Akron (OH): The University of Akron;c2016. [cited 2018 Sep 1]. Available from:. http://ideaexchange.uakron.edu/honors_research_projects/320.
14. Walia S, Liepert B. Perceived facilitators and barriers to physical activity for rural youth: An exploratory study using photo-voice. Rural and Remote Health. 2012; 12(1842):1–13.
Article
15. Hannay J, Dudley R, Milan S, Leibovitz PK. Combining pho-tovoice and focus groups: Engaging Latina teens in community assessment. American Journal of Preventive Medicine. 2013; 44(3 Suppl 3):S215–S224. https://doi.org/10.1016/j.amepre.2012.11.011.
16. Jung MH, Yi JS, Jung HS. Analysis of factors influencing the obesity of adolescents in South Korea. Journal of the Korean Society of School Health. 2016; 29(1):11–21. https://doi.org/10.15434/kssh.2016.29.1.11.
Article
17. Welker E, Lott M, Story M. The school food environment and obesity prevention: Progress over the last decade. Current Obesity Reports. 2016; 5(2):145–155. https://doi.org/10.1007/s13679-016-0204-0.
Article
18. Vandevijvere S, Sushil Z, Exeter DJ, Swinburn B. Obesogen-ic retail food environments around New Zealand schools: A national study. American Journal of Preventive Medicine. 2016; 51(3):e57–e66. https://doi.org/10.1016/j.amepre.2016.03.013.
19. Nanney MS, MacLehose RF, Kubik MY, Davey CS, O’Connell MJ, Grannon KY, et al. School obesity prevention policies and practices in Minnesota and student outcomes: A longitudinal cohort study. American Journal of Preventive Medicine. 2016; 51(5):656–663. https://doi.org/10.1016/j.amepre.2016.05.008.
20. Choi SK, Frongillo EA, Blake CE, Thrasher JF. Comparison of food availability in school stores in Seoul, South Korea before and after implementation of two national food- and nutrient-based policies. The FASEB Journal. 2016; 30(1 sup-pl):129.7.
21. Rosettie KL, Micha R, Cudhea F, Peñalvo JL, O’Flaherty M, Pearson-Stuttard J, et al. Comparative risk assessment of school food environment policies and childhood diets, childhood obesity, and future cardiometabolic mortality in the United States. PLoS ONE. 2018; 13(7):e0200378. https://doi.org/10.1371/journal.pone.0200378.
Article
22. Micha R, Karageorgou D, Bakogianni I, Trichia E, Whitsel LP, Story M, et al. Effectiveness of school food environment policies on children’s dietary behaviors: A systematic review and meta-analysis. PLoS ONE. 2018; 13(3):e0194555. https://doi.org/10.1371/journal.pone.0194555.
Article
23. Sobol‐Goldberg S, Rabinowitz J, Gross R. School‐based obesity prevention programs: A meta‐analysis of randomized controlled trials. Obesity. 2013; 21(12):2422–2428. https://doi.org/10.1002/oby.20515.
Article
24. Glanz K, Johnson L, Yaroch AL, Phillips M, Ayala GX, Davis EL. Measures of retail food store environments and sales: Review and implications for healthy eating initiatives. Journal of Nutrition Education and Behavior. 2016; 48(4):280–288.e1. https://doi.org/10.1016/j.jneb.2016.02.003.
Article
25. Becker DR, McClelland MM, Loprinzi P, Trost SG. Physical activity, self-regulation, and early academic achievement in preschool children. Early Education and Development. 2014; 25(1):56–70. https://doi.org/10.1080/10409289.2013.780505.
Article
26. Kim J, Lee HY, Lee EY. Association between built environment and moderate to vigorous physical activity in Korean adults: A multilevel analysis. Journal of Public Health. 2017; 39(2):227–240. https://doi.org/10.1093/pubmed/fdw025.
Article
27. Kenney EL, Gortmaker SL. United States adolescents’ television, computer, videogame, smartphone, and tablet use: Associations with sugary drinks, sleep, physical activity, and obesity. The Journal of Pediatrics. 2017; 182:144–149. https://doi.org/10.1016/j.jpeds.2016.11.015.
Article
28. Chin SO, Keum C, Woo J, Park J, Choi HJ, Woo JT, et al. Successful weight reduction and maintenance by using a smart-phone application in those with overweight and obesity. Scientific Reports. 2016; 6:34563. http://doi.org/10.1038/srep34563.
Article
29. Carter MC, Burley VJ, Nykjaer C, Cade JE. Adherence to a smartphone application for weight loss compared to website and paper diary: Pilot randomized controlled trial. Journal of Medical Internet Research. 2013; 15(4):e32. https://doi.org/10.2196/jmir.2283.
Article
30. Olstad DL, Ancilotto R, Teychenne M, Minaker LM, Taber DR, Raine KD, et al. Can targeted policies reduce obesity and improve obesity‐related behaviours in socioeconomically disadvantaged populations? A systematic review. Obesity Reviews. 2017; 18(7):791–807. https://doi.org/10.1111/obr.12546.
Article
31. Rahman T, Cushing RA, Jackson RJ. Contributions of built environment to childhood obesity. Mount Sinai Journal of Medicine. 2011; 78(1):49–57. https://doi.org/10.1002/msj.20235.
Article
32. Pere C, Mullet RG, DiCarlo C. Childhood obesity prevention. The International Undergraduate Journal For Service-Learning, Leadership, and Social Change. 2015; 5(1):1–13.