1. Volkert J, Schulz H, Härter M, Wlodarczyk O, Andreas S (2013) The prevalence of mental disorders in older people in Western countries. a meta-analysis. Ageing Research Reviews 12: 339–353. doi: 10.1016/j.arr.2012.09.004 23000171
2. Buys L, Roberto KA, Miller E, Blieszner R (2008) Prevalence and predictors of depressive symptoms among rural older Australians and Americans. Australian Journal of Rural Health 16 (1): 33–39. doi: 10.1111/j.1440-1584.2007.00948.x 18186720
3. Andreas S, Schulz H, Volkert J, Dehoust M, Sehner S, Drabik A et al. (2016) Prevalence of mental disorders in the elderly. The European MentDis_ICF65+ Study. Brit J Psychiat: 1–7.
4. Djernes JK (2006) Prevalence and predictors of depression in populations of elderly. a review. Acta Psychiatrica Scandinavica 113 (5): 372–387. doi: 10.1111/j.1600-0447.2006.00770.x 16603029
5. Kessler RC, Birnbaum H, Bromet E, Hwang I, Sampson N, Shahly V (2010) Age differences in major depression. results from the National Comorbidity Survey Replication (NCS-R). Psychological Medicine 40 (2): 225–237. doi: 10.1017/S0033291709990213 19531277
6. Byers AL, Yaffe K, Covinsky KE, Friedman MB, Bruce ML (2010) High occurrence of mood and anxiety disorders among older adults. The National Comorbidity Survey Replication. Archives General Psychiatry 67 (5): 489–496.
7. Almeida OP, Alfonso H, Pirkis J, Kerse N, Sim M, Flicker L et al. (2011) A practical approach to assess depression risk and to guide risk reduction strategies in later life. International Psychogeriatrics 23 (2): 280–291. doi: 10.1017/S1041610210001870 20880427
8. Blazer DG (2003) Depression in late life. review and commentary. Journals of Gerontology. Series A, Biological Sciences and Medical Sciences 58 (3): 249–265.
9. Fiske A, Wetherell JL, Gatz M (2009) Depression in older adults. Annu Rev Clin Psychol 5: 363–389. doi: 10.1146/annurev.clinpsy.032408.153621 19327033
10. Mojtabai R (2014) Diagnosing depression in older adults in primary care. The New England Journal of Medicine 370 (13): 1180–1182. doi: 10.1056/NEJMp1311047 24670164
11. Andreas S, Harter M, Volkert J, Hausberg M, Sehner S, Wegscheider K et al. (2013) The MentDis_ICF65+ study protocol. prevalence, 1-year incidence and symptom severity of mental disorders in the elderly and their relationship to impairment, functioning (ICF) and service utilisation. BMC Psychiatry 13 (1): 62.
12. Folstein MF, Folstein SE, McHugh PR (1975) „Mini-mental state“. A practical method for grading the cognitive state of patients for the clinician. J Psychiatr Res 12 (3): 189–198. doi: 10.1016/0022-3956(75)90026-6 1202204
13. Volkert J, Harter M, Dehoust MC, Schulz H, Sehner S, Suling A et al. (2017) Study approach and field work procedures of the MentDis_ICF65+ project on the prevalence of mental disorders in the older adult European population. BMC Psychiatry.
14. Kessler RC, Birnbaum HG, Shahly V, Bromet E, Hwang I, McLaughlin KA et al. (2010) Age differences in the prevalence and co-morbidity of DSM-IV major depressive episodes. results from the WHO World Mental Health Survey Initiative. Depression and Anxiety 27 (4): 351–364. doi: 10.1002/da.20634 20037917
15. Wittchen HU, Strehle J, Gerschler A, Volkert J, Dehoust M, Sehner S et al. (2014) Measuring symptoms and diagnosing mental disorders in the elderly community. the test-retest reliability of the CIDI65+. International Journal of Methods in Psychiatric Research.
16. American Psychiatric Association (1994) Diagnostic and statistical manual of mental disorders, DSM-IV. Washington: DC: APA.
17. Murphy B, Herrman H, Hawthorne G, Pinzone T, Evert H (2000) Australian WHOQoL instruments. User’s manual and interpretation guide. Melbourne.
18. The WHOQOL Group (1998) Development of the World Health Organization WHOQOL-BREF quality of life assessment. Psychological Medicine 28 (3): 551–558. doi: 10.1017/s0033291798006667 9626712
19. Naumann VJ, Byrne GJ (2004) WHOQOL-BREF as a measure of quality of life in older patients with depression. International Psychogeriatrics 16 (2): 159–173. 15318762
20. World Health Organisation (2000) World Health Organization Disability Assessment Schedule (WHODAS II). Geneva: WHO.
21. Burns A, Beevor A, Lelliott P, Wing J, Blakey A, Orrell M et al. (1999) Health of the Nation Outcome Scales for elderly people (HoNOS 65+). Brit J Psychiat 174: 424–427. doi: 10.1192/bjp.174.5.424 10616609
22. Pirkis J, Burgess P, Kirk P, Dodson S, Coombs T (2005) Review of standardised measures used in the National Outcomes and Casemix Collection (NOCC). 1–62 p.
23. StataCorp (2011) Stata Statistical Software. College Station: TX: StataCorp LP.
24. Burns RA, Butterworth P, Windsor TD, Luszcz M, Ross LA, Anstey KJ (2012) Deriving prevalence estimates of depressive symptoms throughout middle and old age in those living in the community. International Psychogeriatrics 24 (3): 503–511. doi: 10.1017/S1041610211002109 22088681
25. Scott KM, Korff M von, Alonso J, Angermeyer M, Bromet EJ, Bruffaerts R et al. (2008) Age patterns in the prevalence of DSM-IV depressive/anxiety disorders with and without physical co-morbidity. Psychological Medicine 38 (11): 1659–1669. doi: 10.1017/S0033291708003413 18485262
26. Schwarzbach M, Luppa M, Forstmeier S, Konig HH, Riedel-Heller SG (2013) Social relations and depression in late life-A systematic review. International Journal of Geriatric Psychiatry.
27. Blazer DG, Hybels CF (2005) Origins of depression in later life. Psychological Medicine (35): 1241–1252.
28. Strawbridge WJ, Shema SJ, Cohen RD, Roberts RE (1998) Religiosity buffers effects of some stressors on depression but exacerbates others. The journals of gerontology / B 53 (3): 118–126.
29. Daaleman TP, Perera S, Studenski SA (2004) Religion, Spirituality, and Health Status in Geriatric Outpatients. Annals of Family Medicine 2 (1): 49–53. Available: doi: 10.1370/afm.20 15053283
30. Parker M, Roff LL, Klemmack DL, Koenig HG, Baker P, Allman RM (2003) Religiosity and mental health in southern, community-dwelling older adults. Aging & mental health 7 (5): 390–397. Available: http://dx.doi.org/10.1080/1360786031000150667.
31. Pargament KI, Koenig HG, Tarakeshwar N, Hahn J (2001 Aug 13–27) Religious struggle as a predictor of mortality among medically ill elderly patients: a 2-year longitudinal study. Archives of Internal Medicine 161 (15): 1881–1885. doi: 10.1001/archinte.161.15.1881 11493130
32. Chaaya M, Am Sibai, R F, Z E-R (2007 Jan) Religiosity and depression in older people: evidence from underprivileged refugee and non-refugee communities in Lebanon. Aging & mental health 11 (1): 37–44.
33. Hsu H-C (2014) Effects of religiousness on depressive symptoms among elderly persons in Taiwan. Clin Gerontologist 37 (5): 446–457. Available: http://dx.doi.org/10.1080/07317115.2014.937549.
34. Blay SL, Batista AD, Andreoli SB, Gastal FL (2008) The relationship between religiosity and tobacco, alcohol use, and depression in an elderly community population. Am J Geriat Psychiat 16 (11): 934–943.
35. Barcelos-Ferreira R, Lopes MA, Nakano EY, Steffens DC, Bottino CM (2012) Clinical and sociodemographic factors in a sample of older subjects experiencing depressive symptoms. International Journal of Geriatric Psychiatry 27 (9): 924–930. doi: 10.1002/gps.2803 21989903
36. Jeste ND, Hays JC, Steffens DC (2006) Clinical correlates of anxious depression among elderly patients with depression. Journal of Affective Disorders 90 (1): 37–41. doi: 10.1016/j.jad.2005.10.007 16325261
37. Glaesmer H, Kaiser M, Braehler E, Freyberger HJ, Kuwert P (2012) Posttraumatic stress disorder and its comorbidity with depression and somatisation in the elderly—a German community-based study. Aging & mental health 16 (4): 403–412.
38. Simning A, Conwell Y, Fisher SG, Richardson TM, van Wijngaarden E (2012) The characteristics of anxiety and depression symptom severity in older adults living in public housing. International psychogeriatrics / IPA 24 (4): 614–623.
39. Geerlings SW, Beekman ATF, Deeg DJH, Twisk JWR, van Tilburg W (2002) Duration and severity of depression predict mortality in older adults in the community. Psychological Medicine 32 (4): 609–618. doi: 10.1017/s0033291702005585 12102375
40. Doraiswamy PM, Khan ZM, Donahue RMJ, Richard NE (2002) The spectrum of quality-of-life impairments in recurrent geriatric depression. The journals of gerontology 57 (2): 134–137.
41. Scocco P, Fantoni G, Caon F (2006) Role of depressive and cognitive status in self-reported evaluation of quality of life in older people: comparing proxy and physician perspectives. Age and Ageing 35 (2): 166–171. doi: 10.1093/ageing/afj026 16368737
42. Cuijpers P, Karyotaki E, Pot AM, Park M, Reynolds C. F. 3rd (2014) Managing depression in older age. Psychological interventions. Maturitas.