Ahnquist J, Fredlund P, Wamala SP (2007) Is cumulative exposure to economic hardships more harzardous to women’s health than men’s? a 16-year follow-up study of the Swedish survey of living conditions. J Epidemiol Community Heal 61:331–336. https://doi.org/10.1136/jech.2006.049395

Al Hazzouri AZ, Elfassy T, Sidney S et al (2017) Sustained economic hardship and cognitive function: the coronary artery risk development in young adults study. Am J Prev Med 52:1–9. https://doi.org/10.1016/j.amepre.2016.08.009

Amthauer R, Brocke B, Liepmann D, Beauducel A (2001) Intelligenz-Struktur-Test 2000 R. Hogrefe Verlag, Göttingen

Avlund K, Damsgaard MT, Osler M (2004) Social position and functional decline among non-disabled old men and women. Eur J Public Health 14:212–216

Avlund K, Osler M, Mortensen EL et al (2014) Copenhagen aging and midlife biobank (CAMB): an introduction. J Aging Health 26:5–20. https://doi.org/10.1177/0898264313509277

Baadsgaard M, Quitzau J (2011) Danish registers on personal income and transfer payments. Scand J Public Health 39:103–105. https://doi.org/10.1177/1403494811405098

Ben-Shlomo Y, Cooper R, Kuh D (2016) The last two decades of life course epidemiology, and its relevance for research on ageing. Int J Epidemiol 45:973–988. https://doi.org/10.1093/ije/dyw096

Boen C, Yang YC (2016) The physiological impacts of wealth shocks in late life: evidence from the great recession. Soc Sci Med 150:221–230. https://doi.org/10.1016/j.socscimed.2015.12.029

Cevenini E, Monti D, Franceschi C (2013) Inflamm-ageing. Curr Opin Clin Nutr Metab Care 16:14–20. https://doi.org/10.1097/MCO.0b013e32835ada13

Cooper R, Kuh D, Hardy R et al (2010) Objectively measured physical capability levels and mortality: systematic review and meta-analysis. BMJ 341:c4467. https://doi.org/10.1136/bmj.c4467

Cooper R, Kuh D, Cooper C et al (2011) Objective measures of physical capability and subsequent health: a systematic review. Age Ageing 40:14–23. https://doi.org/10.1093/ageing/afq117

Cooper R, Hardy R, Sayer AA, Kuh D (2014a) A life course approach to physical capability. In: Kuh D, Cooper R, Hardy R et al (eds) A life course approach to healthy ageing, First. Oxford University Press, Oxford, pp 16–31

Cooper R, Stafford M, Hardy R et al (2014b) Physical capability and subsequent positive mental wellbeing in older people: findings from five HALCyon cohorts. Age (Omaha) 36:445–456. https://doi.org/10.1007/s11357-013-9553-8

Eurostat - Statistics Explained (2014) Glossary:At-risk-of-poverty rate. http://ec.europa.eu/eurostat/statistics-explained/index.php/Glossary:At-risk-of-poverty_rate. Accessed 23 Mar 2018

Fairfax A, Balnave R, Adams R (1995) Variability of grip strength during isometric contraction. Ergonomics 38:1819–1830

Galobardes B, Shaw M, Lawlor DA et al (2006) Indicators of socioeconomic position (part 1). J Epidemiol Community Health 60:7–12. https://doi.org/10.1136/jech.2004.023531

Glymour MM, Greenland S (2008) Causal diagrams. In: Rothman KJ, Greenland S, Lash TL (eds) Modern epidemiology. Lippincott Williams & Wilkins, Philadelphia, pp 183–210

Hallqvist J, Lynch J, Bartley M et al (2004) Can we disentangle life course processes of accumulation, critical period and social mobility? an analysis of disadvantaged socio-economic positions and myocardial infarction in the Stockholm heart epidemiology program. Soc Sci Med 58:1555–1562. https://doi.org/10.1016/S0277-9536(03)00344-7

Harper S (2014) Economic and social implications of aging societies. Science (80-) 346:587–591. https://doi.org/10.1126/science.1254405

Hessel P, Avendano M, Hayward M et al (2016) Economic downturns during the life-course and late-life health: an analysis of 11 European countries. Eur J Public Health 41:87–107. https://doi.org/10.1093/eurpub/ckw063

Holsgaard Larsen A, Caserotti P, Puggaard L, Aagaard P (2007) Reproducibility and relationship of single-joint strength vs multi-joint strength and power in aging individuals. Scand J Med Sci Sport 17:43–53. https://doi.org/10.1111/j.1600-0838.2006.00560.x

Hurst L, Stafford M, Cooper R et al (2013) Lifetime socioeconomic inequalities in physical and cognitive aging. Am J Public Health 103:1641–1648. https://doi.org/10.2105/AJPH.2013.301240

Jensen VM, Rasmussen AW (2011) Danish education registers. Scand J Public Health 39:91–94. https://doi.org/10.1177/1403494810394715

Johnson TV, Abbasi A, Master VA (2013) Systematic review of the evidence of a relationship between chronic psychosocial stress and C-reactive protein. Mol Diagn Ther 17:147–164. https://doi.org/10.1007/s40291-013-0026-7

Jones BL, Nagin DS (2007) Advances in group-based trajectory modeling and an SAS procedure for estimating them. Sociol Methods Res 35:542–571. https://doi.org/10.1177/0049124106292364

Jones BL, Nagin DS (2013) A Note on a stata plugin for estimating group-based trajectory models. Sociol Methods Res 42:608–613. https://doi.org/10.1177/0049124113503141

Kahn JR, Pearlin LI (2006) Financial strain over the life course and health among older adults. J Health Soc Behav 47:17–31. https://doi.org/10.1177/002214650604700102

Krieger N, Williams DR, Moss NE (1997) Measuring social class in US public health research: concepts, methodologies, and guidelines. Annu Rev Public Health 18:341–378. https://doi.org/10.1146/annurev.publhealth.18.1.341

Kubzansky LD, Seeman TE, Glymour MM (2014) Biological pathways linking social conditions and health - Plausible mechanisms and emerging puzzles. In: Berkman LF, Kawachi I, Glymour MM (eds) Social epidemiology, 2nd edn. Oxford University Press, New York, pp 512–561

Lash T, Fox M, Fink A (2009) Applying quantitative bias analysis to epidemiologic data. Springer Science & Business Media, Berlin

Lund R, Mortensen EL, Christensen U et al (2016) Cohort profile: the Copenhagen aging and midlife biobank (CAMB). Int J Epidemiol 45:1044–1053. https://doi.org/10.1093/ije/dyv149

Lynch J, Kaplan G, Shema S (1997) Cumulative impact of sustained economic hardship on physical, cognitive, psychological and social functioning. N Engl J Med 337:1889–1895. https://doi.org/10.1056/nejm199712253372606

Mortensen EL, Flensborg-Madsen T, Molbo D et al (2014) The relationship between cognitive ability and demographic factors in late midlife. J Aging Health 26:37–53. https://doi.org/10.1177/0898264313508780

Nazmi A, Victora CG (2007) Socioeconomic and racial/ethnic differentials of C-reactive protein levels: a systematic review of population-based studies. BMC Public Health 7:1–12. https://doi.org/10.1186/1471-2458-7-212

Oakes JM, Andrade KE (2017) The measurement of socioeconomic status. In: Oakes JM, Kaufman JS (eds) Methods in social epidemiology, 2nd edn. Jossey-Bass a Wiley Brand, San Francisco, pp 23–42

OECD (2018) Poverty rate (indicator). https://data.oecd.org/inequality/poverty-rate.htm. Accessed 28 Mar 2018

Perna L, Wahl HW, Mons U et al (2015) Cognitive impairment, all-cause and cause-specific mortality among non-demented older adults. Age Ageing 44:445–451. https://doi.org/10.1093/ageing/afu188

Richards M, Deary IJ (2014) A life course approach to cognitive capability. In: Kuh D, Cooper R, Hardy R et al (eds) A life course approach to healthy ageing, First. Oxford University Press, Oxford, pp 32–45

Ritchie C, Trost SG, Brown W, Armit C (2005) Reliability and validity of physical fitness field tests for adults aged 55 to 70 years. J Sci Med Sport 8:61–70. https://doi.org/10.1016/S1440-2440(05)80025-8

Simons RL, Kit M, Beach SRH et al (2016) Economic hardship and biological weathering: the epigenetics of aging in a U. S. sample of black women. Soc Sci Med 150:192–200. https://doi.org/10.1016/j.socscimed.2015.12.001

Strand BH, Cooper R, Hardy R et al (2011) Lifelong socioeconomic position and physical performance in midlife: results from the British 1946 birth cohort. Eur J Epidemiol 26:475–483. https://doi.org/10.1007/s10654-011-9562-9

UCLA Institute for Digital Research and Education (2016) FAQ How do I interpret a regression model when some variables are log transformed? In: UCLA Inst. Digit. Res. Educ. https://stats.idre.ucla.edu/sas/faq/how-can-i-interpret-log-transformed-variables-in-terms-of-percent-change-in-linear-regression/. Accessed 1 Jun 2018

Western B, Bloome D, Sosnaud B, Tach L (2012) Economic Insecurity and Social Stratification. Annu Rev Sociol 38:341–359. https://doi.org/10.1146/annurev-soc-071811-145434