Iranian Red Crescent Medical Journal

Published by: Kowsar

Psychometric Evaluation of the Cognitive State Test (COST) in a Sample of Iranian Elderly People

Mohammad-Sajjad Lotfi 1 , Zahra Tagharrobi 1 , * , Khadijeh Sharifi 1 and Javad Abolhasani 2
Authors Information
1 Trauma Nursing Research Center, Faculty of Nursing and Midwifery, Kashan University of Medical Sciences, Kashan, IR Iran
2 Department of Neurology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, IR Iran
Article information
  • Iranian Red Crescent Medical Journal: May 01, 2016, 18 (5); e23786
  • Published Online: January 5, 2016
  • Article Type: Research Article
  • Received: September 21, 2014
  • Revised: October 4, 2014
  • Accepted: October 25, 2014
  • DOI: 10.5812/ircmj.23786

To Cite: Lotfi M, Tagharrobi Z, Sharifi K, Abolhasani J. Psychometric Evaluation of the Cognitive State Test (COST) in a Sample of Iranian Elderly People, Iran Red Crescent Med J. 2016 ; 18(5):e23786. doi: 10.5812/ircmj.23786.

Copyright © 2016, Iranian Red Crescent Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License ( which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
1. Background
2. Objectives
3. Materials and Methods
4. Results
5. Discussion
  • 1. Christensen K, Doblhammer G, Rau R, Vaupel JW. Ageing populations: the challenges ahead. Lancet. 2009; 374(9696): 1196-208[DOI][PubMed]
  • 2. Clegg A, Young J, Iliffe S, Rikkert MO, Rockwood K. Frailty in elderly people. Lancet. 2013; 381(9868): 752-62[DOI]
  • 3. Varela G, Varona L, Anderson K, Sansoni J. Alzheimer's care at home: a focus on caregivers strain. Prof Inferm. 2011; 64(2): 113-7[PubMed]
  • 4. Ravanipour M, Salehi S, Taleghani F, Abedi HA. Elderly self-management: a qualitative study. Iran J Nurs Midwifery Res. 2010; 15(2): 60-5[PubMed]
  • 5. Denton FT, Spencer BG. Chronic health conditions: changing prevalence in an aging population and some implications for the delivery of health care services. Can J Aging. 2010; 29(1): 11-21[DOI][PubMed]
  • 6. Harris D. Forget me not: palliative care for people with dementia. Postgrad Med J. 2007; 83(980): 362-6[DOI][PubMed]
  • 7. Mathillas J, Lovheim H, Gustafson Y. Increasing prevalence of dementia among very old people. Age Ageing. 2011; 40(2): 243-9[DOI][PubMed]
  • 8. Corrada MM, Brookmeyer R, Paganini-Hill A, Berlau D, Kawas CH. Dementia incidence continues to increase with age in the oldest old: the 90+ study. Ann Neurol. 2010; 67(1): 114-21[DOI][PubMed]
  • 9. Scott KR, Barrett AM. Dementia syndromes: evaluation and treatment. Expert Rev Neurother. 2007; 7(4): 407-22[DOI][PubMed]
  • 10. Ganguli M. Depression, cognitive impairment and dementia: Why should clinicians care about the web of causation? Indian J Psychiatry. 2009; 51 Suppl 1-34[PubMed]
  • 11. Sadeghi N, Noroozian M, Khalaj H, Mokhtary P. Preliminary Validation Study of the Persian Version of Clinical Dementia Rating (P-CDR) [in Persian]. Zahedan J Res Med Sci. 2013; 13(3): 20-4
  • 12. Prince M, Bryce R, Albanese E, Wimo A, Ribeiro W, Ferri CP. The global prevalence of dementia: a systematic review and metaanalysis. Alzheimers Dement. 2013; 9(1): 63-75 e2[DOI][PubMed]
  • 13. Burla C, Rego G, Nunes R. Alzheimer, dementia and the living will: a proposal. Med Health Care Philos. 2014; 17(3): 389-95[DOI][PubMed]
  • 14. Mohammadi A, Hashemi N, Aliabadi B, Momeninejad M, Ghaderi F, Ghaffarian Shirazi H. Prevalence of dementia in Boyerahmad county of Iran. Life Sci J. 2012; (9): 1312-5
  • 15. Boustani M, Peterson B, Hanson L, Harris R, Lohr KN, U. S. Preventive Services Task Force . Screening for dementia in primary care: a summary of the evidence for the U.S. Preventive Services Task Force. Ann Intern Med. 2003; 138(11): 927-37[PubMed]
  • 16. Brodaty H, Donkin M. Family caregivers of people with dementia. Dialogues Clin Neurosci. 2009; 11(2): 217-28[PubMed]
  • 17. Phillips J, Pond CD, Paterson NE, Howell C, Shell A, Stocks NP, et al. Difficulties in disclosing the diagnosis of dementia: a qualitative study in general practice. Br J Gen Pract. 2012; 62(601)-53[DOI][PubMed]
  • 18. Arabi Z, Aziz NA, Abdul Aziz AF, Razali R, Wan Puteh SE. Early Dementia Questionnaire (EDQ): a new screening instrument for early dementia in primary care practice. BMC Fam Pract. 2013; 14: 49[DOI][PubMed]
  • 19. Winter Y, Korchounov A, Zhukova TV, Bertschi NE. Depression in elderly patients with Alzheimer dementia or vascular dementia and its influence on their quality of life. J Neurosci Rural Pract. 2011; 2(1): 27-32[DOI][PubMed]
  • 20. Boustani M, Peterson B, Harris R. Screening for Dementia [Internet]. 2003;
  • 21. Lischka AR, Mendelsohn M, Overend T, Forbes D. A systematic review of screening tools for predicting the development of dementia. Can J Aging. 2012; 31(3): 295-311[DOI][PubMed]
  • 22. Sheehan B. Assessment scales in dementia. Ther Adv Neurol Disord. 2012; 5(6): 349-58[DOI][PubMed]
  • 23. Heravi-Karimooi M, Anoosheh M, Foroughan M, Sheykhi MT, Hajizadeh E. Understanding loneliness in the lived experiences of Iranian elders. Scand J Caring Sci. 2010; 24(2): 274-80[DOI][PubMed]
  • 24. Chehrehnegar N, Shams F, Zarshenas S, Kazemi F. Evaluating the reliability of the montreal cognitive assessment test and its agreement with mini mental state examination among healthy elderly. J Res Rehabil Sci. 2012; 1(1)
  • 25. Sadeghipour Roodsari M, Akbari Kamrani AA, Foroughan M, Mohammadi F, Karimloo M. Validity and Reliability of the Clock Drawing Test in older people. Iran J Ageing. 2013; 8(29): 48-53
  • 26. Mitchell AJ. A meta-analysis of the accuracy of the mini-mental state examination in the detection of dementia and mild cognitive impairment. J Psychiatr Res. 2009; 43(4): 411-31[DOI][PubMed]
  • 27. Cosentino S, Jefferson A, Chute DL, Kaplan E, Libon DJ. Clock drawing errors in dementia: neuropsychological and neuroanatomical considerations. Cogn Behav Neurol. 2004; 17(2): 74-84[PubMed]
  • 28. Sahadevan S, Lim PP, Tan NJ, Chan SP. Diagnostic performance of two mental status tests in the older chinese: influence of education and age on cut-off values. Int J Geriatr Psychiatry. 2000; 15(3): 234-41[PubMed]
  • 29. Burleigh E, Reeves I, McAlpine C, Davie J. Can doctors predict patients' abbreviated mental test scores. Age Ageing. 2002; 31(4): 303-6[PubMed]
  • 30. Cullen B, O'Neill B, Evans JJ, Coen RF, Lawlor BA. A review of screening tests for cognitive impairment. J Neurol Neurosurg Psychiatry. 2007; 78(8): 790-9[DOI][PubMed]
  • 31. Price CC, Cunningham H, Coronado N, Freedland A, Cosentino S, Penney DL, et al. Clock drawing in the Montreal Cognitive Assessment: recommendations for dementia assessment. Dement Geriatr Cogn Disord. 2011; 31(3): 179-87[DOI][PubMed]
  • 32. Babacan-Yildiz G, Isik AT, Ur E, Aydemir E, Ertas C, Cebi M, et al. COST: Cognitive State Test, a brief screening battery for Alzheimer disease in illiterate and literate patients. Int Psychogeriatr. 2013; 25(3): 403-12[DOI][PubMed]
  • 33. Implementation of the 2011 Iranian population and housing census in Autumn. 2011;
  • 34. Process of translation and adaptation of instruments. 2014;
  • 35. Polit DF, Beck CT. Nursing research: Generating and assessing evidence for nursing practice. 2008;
  • 36. Waltz CF. Measurement in nursing and health research. 2005;
  • 37. Seif AA. Educational Measurement, Assessment, and Evaluation [in Persian]. 2012;
  • 38. Vakili MM, Hidarnia AR, Niknami S. Development and psychometrics of an interpersonal communication skills scale (ASMA) among Zanjan health volunteers. Hayat. 2012; 18(1): 5-19
  • 39. Lawshe CH. A Quantitative Approach to Content Validity. Personnel Psychol. 1975; 28(4): 563-75[DOI]
  • 40. Peers I. Statistical analysis for education and psychology researchers: Tools for researchers in education and psychology. 2006;
  • 41. Houser J. Nursing research: Reading, using and creating evidence. 2013;
  • 42. Dementia: a public health priority. 2012;
  • 43. Fischer KE. Decision-making in healthcare: a practical application of partial least square path modelling to coverage of newborn screening programmes. BMC Med Inform Decis Mak. 2012; 12: 83[DOI][PubMed]
  • 44. Antony MM, Barlow DH. Handbook of assessment and treatment planning for psychological disorders. 2011;
  • 45. Salari S, Shaeiri MR, Asghari-Moghaddam MA. Psychometric Characteristics of the Rowland Universal Dementia Assessment Scale (RUDAS) in a Sample of Iranian Elderly. Iran J Psychiatr Clin Psychol. 2014; 20(1): 74-84
  • 46. Noroozian M, Poormand Z, Farzad VA, Hadjati G, Baghdasariyans A. Evaluation of psychometric aspects of cleveland scale of activity daily living in the diagnosis of dementia in iran. Iran J Public Health. 2013; 42(4): 417-21[PubMed]
  • 47. Cooper S, Greene JD. The clinical assessment of the patient with early dementia. J Neurol Neurosurg Psychiatry. 2005; 76 Suppl 5-24[DOI][PubMed]
  • 48. Tappen RM. Advanced nursing research. 2010;
Creative Commons License Except where otherwise noted, this work is licensed under Creative Commons Attribution Non Commercial 4.0 International License .

Search Relations:



Create Citiation Alert
via Google Reader

Readers' Comments