1.Byrne GJ, Pachana NA: Anxiety and depression in the elderly: do we know any more? Current opinion in psychiatry. 2010; 23(6):504–509.
2.Sharifi V, Assadi SM, Mohammadi MR, Amini H, Kaviani H, Semnani Y, Shabani A, Shahrivar Z, Davari-Ashtiani R, Shooshtari MH: A persian translation of the structured clinical interview for diagnostic and statistical manual of mental disorders: psychometric properties. Comprehensive psychiatry. 2009; 50(1):86–91.
3.Molde H, Nordhus IH, Torsheim T, Engedal K, Bendixen AB, Byrne GJ, Márquez-González M, Losada A, Feng L, Ow EKT: A Cross-National Analysis of the Psychometric Properties of the Geriatric Anxiety Inventory. The Journals of Gerontology: Series B. 2019.
4.Pachana NA, Byrne GJ, Siddle H, Koloski N, Harley E, Arnold E: Development and validation of the Geriatric Anxiety Inventory. International Psychogeriatrics. 2007; 19:103–114.
5.Lang A, Stein M: Anxiety disorders. How to recognize and treat the medical symptoms of emotional illness. Geriatrics (Basel, Switzerland). 2001; 56(5):24–27, 31–24.
6.Ritchie K, Artero S, Beluche I, Ancelin M-L, Mann A, Dupuy A-M, Malafosse A, Boulenger J-P: Prevalence of DSM-IV psychiatric disorder in the French elderly population. The British Journal of Psychiatry. 2004; 184(2):147–152.
7.Mortazavi SS, Shati M, Ardebili HE, Mohammad K, Beni RD, Keshteli AH: Comparing the effects of group and home-based physical activity on mental health in the elderly. International journal of preventive medicine. 2013; 4(11):1282.
8.Kirmizioglu Y, Doğan O, Kuğu N, Akyüz G: Prevalence of anxiety disorders among elderly people. International Journal of Geriatric Psychiatry: A journal of the psychiatry of late life and allied sciences. 2009; 24(9):1026–1033.
9.Beck AT, Epstein N, Brown G, Steer RA: An inventory for measuring clinical anxiety: psychometric properties. Journal of consulting and clinical psychology. 1988; 56(6):893.
10.Lowe PA, Reynolds CR: Exploratory analyses of the latent structure of anxiety among older adults. Educational and Psychological Measurement. 2000; 60(1):100–116.
11.Sinoff G, Ore L, Zlotogorsky D, Tamir A: Short anxiety screening test—a brief instrument for detecting anxiety in the elderly. International journal of geriatric psychiatry. 1999; 14(12):1062–1071.
12.Byrne GJ, Pachana NA: Development and validation of a short form of the Geriatric Anxiety Inventory–the GAI-SF. International Psychogeriatrics. 2011; 23(1):125–131.
13.Bandari R, Heravi-Karimooi M, Miremadi M, Mohebbi L, Montazeri A: The Iranian version of geriatric anxiety inventory (GAI-P): a validation study. Health and quality of life outcomes. 2019; 17(1):118.
14.Hu L-T, Bentler PM: Evaluating model fit. 1995.
15.Goldberg DP, Hillier VF: A scaled version of the General Health Questionnaire. Psychological medicine. 1979; 9(1):139–145.
16.Noorbala A, Mohammad K: The validation of general health questionnaire–28 as a psychiatric screening tool. Hakim Research Journal. 2009; 11(4):47–53.
17.Sheikh JI, Yesavage JA: Geriatric Depression Scale (GDS): recent evidence and development of a shorter version. Clinical Gerontologist: The Journal of Aging and Mental Health. 1986.
18.Malakouti K, Fathollahi P, Mirabzadeh A, Salavati M, Kahani S: Validation of geriatric depression scale (GDS–15) in Iran. Research in Medicine. 2006; 30(4):361–369.
19.Mortazavi SS, Shati M, Malakouti SK, Mohammad K: Psychiatric comorbidities among Iranian elderly patients on methadone maintenance treatment. Archives of Iranian Medicine (AIM). 2015; 18(11).
20.Spitzer RL, Williams JB, Gibbon M, First MB: The structured clinical interview for DSM-III-R (SCID): I: history, rationale, and description. Archives of general psychiatry. 1992; 49(8):624–629.
21.Molde H, Hynninen K, Torsheim T, Bendixen A, Engedal K, Pachana N, Nordhus I: A Bifactor and item response analysis of the geriatric anxiety inventory. International psychogeriatrics. 2017; 29(10):1647–1656.
22.Ribeiro O, Paúl C, Simões MR, Firmino H: Portuguese version of the Geriatric Anxiety Inventory: Transcultural adaptation and psychometric validation. Aging & Mental Health. 2011; 15(6):742–748.
23.Márquez-González M, Losada A, Fernández-Fernández V, Pachana NA: Psychometric properties of the Spanish version of the Geriatric Anxiety Inventory. International Psychogeriatrics. 2012; 24(1):137–144.
24.Yan Y, Xin T, Wang D, Tang D: Application of the Geriatric Anxiety Inventory-Chinese Version (GAI-CV) to older people in Beijing communities. International psychogeriatrics. 2014; 26(3):517–523.
25.Pachana NA, Byrne GJ: The Geriatric Anxiety Inventory: international use and future directions. Australian Psychologist. 2012; 47(1):33–38.
26.Miranda-Castillo C, Contreras D, Garay K, Martínez P, León-Campos MO, Farhang M, Morán J, Fernández-Fernández V: Validation of the Geriatric Anxiety Inventory in Chilean older people. Archives of gerontology and geriatrics. 2019; 83:81–85.
27.Byrne GJ, Pachana NA, Goncalves DC, Arnold E, King R, Keat Khoo S: Psychometric properties and health correlates of the Geriatric Anxiety Inventory in Australian community-residing older women. Aging & Mental Health. 2010; 14(3):247–254.
28.Champagne A, Landreville P, Gosselin P, Carmichael P-H: Psychometric properties of the French Canadian version of the Geriatric Anxiety Inventory. Aging & mental health. 2018; 22(1):40–45.
29.Noroozian M: The elderly population in iran: an ever growing concern in the health system. Iranian journal of psychiatry and behavioral sciences. 2012; 6(2):1.
30.McGoldrick M, Giordano J, Preto NG: Ethnicity and family therapy: Guilford Press. 2005.
31.Balsamo M, Cataldi F, Carlucci L, Fairfield B: Assessment of anxiety in older adults: a review of self-report measures. Clinical interventions in aging. 2018; 13:573.