1. American College of Sports Medicine. ACSM's guidelines for exercise testing and prescription. 6th ed. Baltimore, MD: Lippincott Williams & Wilkins;2000.
2. Shin WS, Yeoun PS, Lee JH, Kim SK, Joo JS. The relationships among forest experience, anxiety and depression. J Korean Ins For Recreation. 2007; 11(1):27–32.
3. Lee HJ. Overwork-related mental illnesses, suicide and occupational accidents. Korean J Ind Relat. 2011; 21(4):133–156.
4. Myatt G, Baxter R, Dougherty R, Williams G, Halle J, Stetts D, et al. The cardiopulmonary cost of backward walking at selected speeds. J Orthop Sports Phys Ther. 1995; 21(3):132–138. DOI:
10.2519/jospt.1995.21.3.132.
5. Yoon JH, Lee HH, Kim YH. Analysis of energy expenditure and muscle fatigue during walking and running in obese women. J Sport Leis Stud. 2002; 18(2):1257–1269.
6. Li Q, Kobayashi M, Inagaki H, Hirata Y, Li YJ, Hirata K, et al. A day trip to a forest park increases human natural killer activity and the expression of anti-cancer proteins in male subjects. J Biol Regul Homeost Agents. 2010; 24(2):157–165.
7. Park BJ, Miyazaki Y. Physiological effects of viewing forest landscapes: Results of field tests in Atsugi city, Japan. J Korean For Soc. 2008; 97(6):634–640.
8. Ji GB, Kim KN, Han GS. Physiological and psychological effects of viewing and walking in forest and urban area. J Environ Sci. 2012; 21(5):605–611. DOI:
10.5322/JES.2012.21.5.605.
9. Seo HM, Hah YS. A study of factors influencing on health promoting lifestyle in the elderly: Application of pender's health promotion model. J Korean Acad Nurs. 2004; 34(7):1288–1297.
10. Rhee MK, Lee YH, Park SH, Sohn CH, Chung YC, Hong SK, et al. A standardization study of Beck depression inventory I-Korean version (K-BDI): Reliability and factor analysis. Korean J Psychopathol. 1995; 4(1):77–95.
11. Goldberg DP, Hillier VF. A scaled version of the general health questionnaire. Psychol Med. 1979; 9(1):139–145.
12. Jang SJ. Stress. The Korean Society for Preventive Medicine. Standard study for data collection and survey of health statistical data. Seoul: Gyechuk Munwhasa;2000. p. 92–143.
13. Ogilvie D, Foster CE, Rothnie H, Cavill N, Hamilton V, Fitzsimons CF, et al. Interventions to promote walking: Systematic review. BMJ. 2007; 334(7605):1204. DOI:
10.1136/bmj.39198.722720.BE.
14. Abraham C, Graham-Rowe E. Are worksite interventions effective in increasing physical activity? A systematic review and meta-analysis. Health Psychol Rev. 2009; 3(1):108–144. DOI:
10.1080/17437190903151096.
15. Choi HY, Yang SJ. Effects of walking program based on social cognitive theory for office workers. Korean J Adult Nurs. 2013; 25(6):712–724. DOI:
10.7475/kjan.2013.25.6.712.
16. Conn VS, Hafdahl AR, Mehr DR. Interventions to increase physical activity among healthy adults: Meta-analysis of outcomes. Am J Public Health. 2011; 101(4):751–758. DOI:
10.2105/ajph.2010.194381.
17. Hornbuckle LM, Bassett DR Jr, Thompson DL. Pedometer-determined walking and body composition variables in African-American women. Med Sci Sports Exerc. 2005; 37(6):1069–1074.
18. Thompson DL, Rakow J, Perdue SM. Relationship between accumulated walking and body composition in middle-aged women. Med Sci Sports Exerc. 2004; 36(5):911–914.
19. Lee MR, Kim WS. The effects of brisk walking versus brisk walking plus diet on triglycerides and apolipoprotein B levels in middleaged overweight/obese women with high triglyceride levels. J Korean Acad Nurs. 2006; 36(8):1352–1358.
20. Roussel M, Garnier S, Lemoine S, Gaubert I, Charbonnier L, Auneau G, et al. Influence of a walking program on the metabolic risk profile of obese postmenopausal women. Menopause. 2009; 16(3):566–575. DOI:
10.1097/gme.0b013e31818d4137.
21. Seo DI, Kim SK, Chang H. The effects of 12 weeks of walking exercise on body composition and physical fitness in middle aged women. J Korean Acad Public Health Nurs. 2009; 23(1):61–68.
22. Sung KW, Lee JH. The effects of regular walking exercise on metabolic syndrome, cardiovascular risk factors, and depressive symptoms in the elderly with diabetic mellitus. J Korean Acad Community Health Nurs. 2010; 21(4):409–418. DOI:
10.12799/jkachn.2010.21.4.409.
23. Kim KM, Lim HJ, Kim SH, Choi YH, Shin WS, Park BJ. The dfference of psychological relaxation effects between natural recreation forest and urban forest. J Korean Ins For Recreation. 2012; 16(1):53–58.
24. Teychenne M, Ball K, Salmon J. Physical activity and likelihood of depression in adults: A review. Prev Med. 2008; 46(5):397–411. DOI:
10.1016/j.ypmed.2008.01.009.
25. Bize R, Johnson JA, Plotnikoff RC. Physical activity level and health-related quality of life in the general adult population: A systematic review. Prev Med. 2007; 45(6):401–415. DOI:
10.1016/j.ypmed.2007.07.017.
26. Haskell WL, Lee IM, Pate RR, Powell KE, Blair SN, Franklin BA, et al. Physical activity and public health: Updated recommendation for adults from the American College of Sports Medicine and the American Heart Association. Circulation. 2007; 116(9):1081–1093. DOI:
10.1161/circulationaha.107.185649.
27. Abell JE, Hootman JM, Zack MM, Moriarty D, Helmick CG. Physical activity and health related quality of life among people with arthritis. J Epidemiol Community Health. 2005; 59(5):380–385. DOI:
10.1136/jech.2004.028068.
28. Yamaguchi M, Deguchi M, Miyazaki Y. The effects of exercise in forest and urban environments on sympathetic nervous activity of normal young adults. J Int Med Res. 2006; 34(2):152–159. DOI:
10.1177/147323000603400204.
29. Hartig T, Evans GW, Jamner LD, Davis DS, Gärling T. Tracking restoration in natural and urban field settings. J Environ Psychol. 2003; 23(2):109–123. DOI:
10.1016/S0272-4944(02)00109-3.