1Aldridge, RW, Story, A, Hwang, SW, Nordentoft, M, Luchenski, SA, Hartwell, G, et al. Morbidity and mortality in homeless individuals, prisoners, sex workers, and individuals with substance use disorders in high-income countries: a systematic review and meta-analysis. Lancet 2018; 391: 241–50.
2Luchenski, S, Maguire, N, Aldridge, RW, Hayward, A, Story, A, Perri, P, et al. What works in inclusion health: overview of effective interventions for marginalised and excluded populations. Lancet 2018; 391: 266–80.
3Fazel, S, Geddes, JR, Kushel, M. The health of homeless people in high-income countries: descriptive epidemiology, health consequences, and clinical and policy recommendations. Lancet 2014; 384: 1529–40.
4Vila-Rodriguez, F, Panenka, WJ, Lang, DJ, Thornton, AE, Vertinsky, T, Wong, H, et al. The Hotel study: multimorbidity in a community sample living in marginal housing. Am J Psychiatry 2013; 170: 1413–22.
5Barbic, SP, Jones, AA, Woodward, M, Piercy, M, Mathias, S, Vila-Rodriguez, F, et al. Clinical and functional characteristics of young adults living in single room occupancy housing: preliminary findings from a 10-year longitudinal study. Can J Pub Health 2018; 109: 204–14.
6Brown, RT, Kiely, DK, Bharel, M, Mitchell, SL. Geriatric syndromes in older homeless adults. J Gen Intern Med 2012; 27: 16–22.
7Hurstak, E, Johnson, JK, Tieu, L, Guzman, D, Ponath, C, Lee, CT, et al. Factors associated with cognitive impairment in a cohort of older homeless adults: results from the HOPE HOME study. Drug Alc Depend 2017; 178: 562–70.
8Depp, CA, Vella, L, Orff, HJ, Twamley, EW. A quantitative review of cognitive functioning in homeless adults. J Nerv Ment Dis 2015; 203: 126–31.
9Ennis, N, Roy, S, Topolovec-Vranic, J. Memory impairment among people who are homeless: a systematic review. Memory 2015; 23: 695–713.
10Gicas, KM, Giesbrecht, CJ, Panenka, WJ, Lang, DJ, Smith, GN, Vila-Rodriguez, F, et al. Structural brain markers are differentially associated with neurocognitive profiles in socially marginalized people with multimorbid illness. Neuropsychol 2017; 31: 28–43.
11Fry, CE, Langley, K, Shelton, KH. A systematic review of cognitive functioning among young people who have experienced homelessness, foster care, or poverty. Child Neuropsychol 2017; 23: 907–34.
12Waclawik, K, Jones, AA, Barbic, SP, Gicas, KM, O'Connor, TA, Smith, GN, et al. Cognitive impairment in marginally housed youth: prevalence and risk factors. Front Public Health 2019; 7: 270.
13Guggenmos, M, Schmack, K, Sekutowicz, M, Garbusow, M, Sebold, M, Sommer, C, et al. Quantitative neurobiological evidence for accelerated brain aging in alcohol dependence. Transl Psychiatry 2017; 7: 1279.
14Tremblay, S, De Beaumont, L, Henry, LC, Boulanger, Y, Evans, AC, Bourgouin, P, et al. Sports concussions and aging: a neuroimaging investigation. Cereb Cortex 2013; 23: 1159–66.
15Czepielewski, LS, Massuda, R, Panizzutti, B, Grun, LK, Barbé-Tuana, FM, Teixeira, AL, et al. Telomere length and CCL11 levels are associated with gray matter volume and episodic memory performance in schizophrenia: evidence of pathological accelerated aging. Schizophrenia Bull 2018; 44: 158–67.
16Pfefferbaum, A, Zahr, NM, Sassoon, SA, Kwon, D, Pohl, KM, Sullivan, ED. Accelerated and premature aging characterizing regional cortical volume loss in human immunodeficiency virus infection: contributions from alcohol, substance use, and hepatitis C coinfection. Biol Psychiatry Cogn Neurosci Neuroimaging 2018; 3: 844–59.
17Schultz-Larsen, K, Rahmanfard, N, Kreiner, S, Avlund, K, Holst, C. Cognitive impairment as assessed by a short form of MMSE was predictive of mortality. J Clin Epidemiol 2008; 61: 1227–33.
18Fried, LP, Ferrucci, L, Darer, J, Williamson, JD, Anderson, G. Untangling the concepts of disability, frailty, and comorbidity: implications for improved targeting and care. J Gerontol A Biol Sci Med Sci 2004; 59: 255–63.
19Honer, WG, Cervantes-Larios, A, Jones, AA, Vila-Rodriguez, F, Montaner, JS, Tran, H, et al. The Hotel study-clinical and health service effectiveness in a cohort of homeless or marginally housed persons. Can J Psychiatry 2017; 62: 482–92.
20Krausz, M, Jang, K. Lessons from the creation of Canada's poorest postal code. Lancet Psychiatry 2015; 2: e5.
21Gaetz, S, Barr, C, Friesen, A, Harris, B, Hill, C, Kovacs-Burns, K, et al. Canadian Definition of Homelessness. Canadian Observatory on Homelessness Press, 2012.
22Benedict, RHB, Schretlen, D, Groninger, L, Brandt, J. Hopkins Verbal Learning Test Revised: normative data and analysis of inter-form and test-retest reliability. Clinical Neuropsychol 1998; 12: 43–55.
23Sheehan, DV, Lecrubier, Y, Sheehan, KH, Amorim, P, Janavs, J, Weiller, E, et al. The mini-international neuropsychiatric interview (M.I.N.I.): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. J Clin Psychiatry 1998; 59(Suppl 20): 22–33.
24American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders (4th edn) (DSM-IV). American Psychiatric Association, 1994.
25Lieberman, JA, First, MB. Psychotic disorders. N Engl J Med 2018; 379: 270–80.
26Petersen, RC. Mild cognitive impairment as a diagnostic entity. J Intern Med 2004; 256: 183–94.
27Fann, JR, Ribe, AR, Pedersen, HS, Fenger-Grøn, M, Christensen, J, Benros, ME, et al. Long-term risk of dementia among people with traumatic brain injury in Denmark: a population-based observational cohort study. Lancet Psychiatry 2018; 5: 424–31.
28Noppert, GA, Aiello, AE, O'Rand, AM, Cohen, HJ. Investigating pathogen burden in relation to a cumulative deficits index in a representative sample of US adults. Epidemiol Infect 2018; 146: 1968–76.
29Charlson, ME, Pompei, P, Ales, KL, MacKenzie, CR. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis 1987; 40: 373–83.
30Kwok, O-M, Underhill, AT, Berry, JW, Luo, W, Elliott, TR, Yoon, M. Analyzing longitudinal data with multilevel models: an example with individuals living with lower extremity intra-articular fractures. Rehabil Psychol 2008; 53: 370–86.
31Bates, D, Mächler, M, Bolker, B, Walker, SC. Fitting linear mixed-effects models using lme4. J Stat Software 2015; 67: 1–48.
32Therneau, TM, Grambsch, PM. Modeling Survival Data: Extending the Cox Model. Springer, 2000.
33Wilson, RS, Capuano, AW, Yu, L, Yang, J, Kim, N, Leurgans, SE, et al. Neurodegenerative disease and cognitive retest learning. Neurobiol Aging 2018; 66: 122–30.
34Salthouse, TA. Trajectories of normal cognitive aging. Psychol Aging 2019; 34: 17–24.
35Hughes, ML, Agrigoroaei, S, Jeon, M, Bruzzese, M, Lachman ME. Change in cognitive performance from midlife into old age: findings from the Midlife in the United States (MIDUS) study. J Int Neuropsychol Soc 2018; 24: 805–20.
36Woods, AJ, Porges, EC, Bryant, VE, Seider, T, Gongvatana, A, Kahler, CW, et al. Current heavy alcohol consumption is associated with greater cognitive impairment in older adults. Alcohol Clin Exp Res 2016; 40: 2435–44.
37Schmitt, T, Thornton, AE, Rawtaer, I, Barr, AM, Gicas, KM, Lang, DJ, et al. Traumatic brain injury in a community-based cohort of homeless and vulnerably housed individuals. J Neurotrauma 2017; 34: 3301–10.
38Wood, RL. Accelerated cognitive aging following severe traumatic brain injury: a review. Brain Inj 2017; 31: 1270–8.
39Karr, JE, Graham, RB, Hofer, SM, Muniz-Terrera, G. When does cognitive decline begin? A systematic review of change point studies on accelerated decline in cognitive and neurological outcomes preceding mild cognitive impairment, dementia, and death. Psychol Aging 2018; 33: 195–18.
40Clarke, PJ, Weuve, J, Barnes, L, Evans, DA, Mendes de Leon, CF. Cognitive decline and the neighborhood environment. Ann Epidemiol 2015; 25: 849–54.
41Gicas, KM, Jones, AA, Panenka, WJ, Giesbrecht, C, Lang, DJ, Vila-Rodriguez, F, et al. Cognitive profiles and associated structural brain networks in a multimorbid sample of marginalized adults. PLoS ONE 2019; 14: e0218201.