1. Division UNP. World population ageing. nited Nations in New York. 2002.35-37.

2. Mirzaei M, Qahghorkhi S. Based on the 1956-2006 censuses of population of seniors. Journal of Tahghighate Salamat. 2007;2(5):24-32.

3. Coll-Black S, Bhushan A, Fritsch K. Integrating Poverty and Gender into Health Programs: A Sourcebook for Health Professionals. Nurs Health Sci. 2007;9(4):246-53. [DOI:10.1111/j.1442-2018.2007.00340.x] [PMID]

4. Lunenfeld B. The ageing male: demographics and challenges. World Journal of Urology. 2002;20(1):11-6. [DOI:10.1007/s00345-002-0250-y] [PMID]

5. Joghtaei M, Nejati V. Survey health statuse aging in Kashan city. Iranian Journal of Aging. 2006;1(1):3-10. [DOI:10.1080/13607860500308132] [PMID]

6. Sohrabi M, Shariati Z, Khosravi A. A comparative study of cognitive status and depression among elderly nursing home residents and residents of private homes. Shahrod medical sciences and Health Journal. 2008;3(2):27-31.

7. Momeni K. Mental health comparison in elders who resident and nonresident in home care centers of kermanshah city. Kermanshah University of Medical Sciences Journal. 2010;4(4):325-35.

8. Vahdani Nia M, Mafton F. The health-related quality of life for elderly: a population study. Payesh Journal. 2005;4(2):113-20.

9. Alizadeh M, Shojaei Zadeh D, Rahimi A, Arshian M, Rohany H. Anxiety, depression and psychological well-being urban elders in urban areas that covered by Shaheed Beheshti University of Medical Sciences. Iranian Journal of Aging. 2012;7(26):66-73.

10. Yahyavi Dizaj J, Tajvar M, Mohammadzadeh Y. The Effect of the Presence of an Elderly Member on Health Care Costs of Iranian Households. Salmand: Iranian Journal of Ageing. 2020;14(4):462-77.

11. Saeid M, Makarem A, Khanjani S, Bakhtyari V. Comparison of Social Health and Quality of Life Between the Elderlies Resident at Nursing Homes With Non-resident Counterparts in Tehran City, Iran. Salmand: Iranian Journal of Ageing. 2019;14(2):178-87.

12. Brettschneider C, Hajek A, Röhr S, Fuchs A, Weeg D, Mamone S, et al. Determinants of health-care costs in the oldest-old in Germany. The Journal of the Economics of Ageing. 2019;14:100200. [DOI:10.1016/j.jeoa.2019.100200]

13. Rath P. Nutrition for Elderly. Models, Molecules and Mechanisms in Biogerontology: Springer; 2019: 411-26. [DOI:10.1007/978-981-13-3585-3_19]

14. Harrison TJ, Barraco RD, Lawless RA, Pasquale MD. Special Considerations at the Extremes of Age. Surgical Metabolism: Springer; 2020: 353-65. [DOI:10.1007/978-3-030-39781-4_18]

15. Molina-Molina E, Garruti G, Shanmugam H, Di Palo DM, Grattagliano I, Mastronuzzi T, et al. Aging and nutrition. Paving the way to better health. Romanian Journal of Internal Medicine. 2020;58(2):55-68. [DOI:10.2478/rjim-2020-0005] [PMID]

16. Khole C. Perceived Health Status and Nutrition Status among Slum-dwelling Elderly in Pune City. Indian Journal of Gerontology. 2020;34(3):353-367.

17. Amaral TF, Matos LC, Teixeira MA, Tavares MM, Álvares L, Antunes A. Undernutrition and associated factors among hospitalized patients. Clinical nutrition. 2010;29(5):580-5. [DOI:10.1016/j.clnu.2010.02.004] [PMID]

18. Abd Aziz NAS, Teng NIMF, Hamid MRA, Ismail NH. Assessing the nutritional status of hospitalized elderly. Clinical interventions in aging. 2017;12:1615. [DOI:10.2147/CIA.S140859] [PMID] [PMCID]

19. Riahi M. A comparative study on the status of elderly in the traditional and modern societies. Salmand. 2009;3(9):7-18.

20. Saeidlou SN, Merdol TK, Mikaili P, Bektaş Y. Assessment of the nutritional status and affecting factors of elderly people living at six nursing home in Urmia, IRAN. International Journal of Academic Research. 2011;3(1):173-81.

21. Joghataii M, Nejati V. Health status of the elderly in the city of Kashan. Iranian Journal of Ageing. 2006;1(1):3-10.

22. Guigoz Y, Lauque S, Vellas BJ. Identifying the elderly at risk for malnutrition. The Mini Nutritional Assessment. Clinics in geriatric medicine. 2002;18(4):737. [DOI:10.1016/S0749-0690(02)00059-9] [PMID]

23. Aliabadi M, Kimiagar SM, Ghayour MM, Ilati FA. Prevalence of malnutrition and factors related to it in the elderly subjects in Khorasan Razavi province, Iran, 2006. J Nutrition Science and Food Technology. 2007;2(3):45-56.

24. King AC, Guralnik JMJJ. Maximizing the potential of an aging population. 2010;304(17):1944-5. [DOI:10.1001/jama.2010.1577] [PMID] [PMCID]

25. Vaisi-Raygani A, Mohammadi M, Jalali R, Ghobadi A, Salari NJBg. The prevalence of obesity in older adults in Iran: a systematic review and meta-analysis. 2019;19(1):1-9. [DOI:10.1186/s12877-019-1396-4] [PMID] [PMCID]

26. Zar A, Hoseini SA, Pakdel E, Ahmadi F. The prevalence of overweight and obesity in the elder women of Shiraz nursing homes in 2016 and its association with physical activity. Journal of Gerontology. 2018;3(1):1-10. [DOI:10.29252/joge.2.4.1]

27. Arab F, Kia M, Kordi K, Mohammadion F. Study of nutritional pattern in cared elderly in Golestan province in 2020. National Conference on Elderly Health. 2021;1(1):1-2.

28. Flegal KM, Carroll MD, Ogden CL, Curtin LRJJ. Prevalence and trends in obesity among US adults, 1999-2008. 2010;303(3):235-41. [DOI:10.1001/jama.2009.2014] [PMID] [PMCID]

29. Moghimi Dehkordi B, Safaei A, Vahedi M, Pourhoseingholi MA, Pourhoseingholi A, Zali MR. The prevalence of obesity and its associated demographic factors in tehran, Iran. Health development journal. 2012;1(1):22-30.

30. Al Rashdan I, Al Nesef YJA. Prevalence of overweight, obesity, and metabolic syndrome among adult Kuwaitis: results from community-based national survey. 2010;61(1):42-8. [DOI:10.1177/0003319709333226] [PMID]

31. Walke H, Mokdad AH, Zindah M, Belbeisi AJPCD. Peer reviewed: obesity and diabetes in Jordan: findings from the behavioral risk factor surveillance system, 2004. 2008;5(1):17-22

32. Flicker L, McCaul KA, Hankey GJ, Jamrozik K, Brown WJ, Byles JE, et al. Body mass index and survival in men and women aged 70 to 75. 2010;58(2):234-41. [DOI:10.1111/j.1532-5415.2009.02677.x] [PMID]

33. Eftekhar ardebili H, Lashkar boloki F, Jazayeri A, Ariaei M, Minaei M. Nutritional status of elderly people. Journal of School of Public Health and Institute of Public Health Research. 2014;12(2):59-68.

34. Sharifzadeh G, Akhbari HJIJoA. The health status of elderly people covered by the Imam Khomeini Relief Committee. 2010;5(17):52-9.

35. Christensson L, Unosson M, Ek A-CJEjocn. Evaluation of nutritional assessment techniques in elderly people newly admitted to municipal care. 2002;56(9):810-8. [DOI:10.1038/sj.ejcn.1601394] [PMID]

36. Zukeran MS, Ritti-Dias R, Franco F, Cendoroglo M, de Matos L, Ribeiro SLJTjon, health, et al. Nutritional Risk by Mini Nutritional Assessment (MNA), but not anthropometric measurements, has a good discriminatory power for identifying frailty in elderly people: data from brazilian secondary care clinic. 2019;23(2):217-20. [DOI:10.1007/s12603-018-1128-z] [PMID]

37. Soysal P, Veronese N, Arik F, Kalan U, Smith L, Isik ATJCiia. Mini Nutritional Assessment Scale-Short Form can be useful for frailty screening in older adults. 2019;14:693. [DOI:10.2147/CIA.S196770] [PMID] [PMCID]

38. Basibüyük GÖ, Ayremlou P, Aeidlou SNS, Çinar Z, Ay F, Bektas Y, et al. Evaluation of malnutrition among elderly people living in nursing homes by Mini Nutritional Assessment Short Form (MNA-SF) in Turkey. 2019;14(1):38.

39. Wadhwa A, Sabharwal M, Sharma SJTIjomr. Nutritional status of the elderly. 1997;106:340-8.

40. Dorosty A, AM ANJTUMJTP. Correlation of elderly nutritional status with cardio-vascular disease and diabetes. 2007;65(3):68-71.

41. Eshaghi SR, Babak A, Manzori L, Marasi MRJIJoA. The nutritional status of the elderly and their associated factors in Isfahan. 2007;2(3):340-5.