European Journal of Ageing

, Volume 16, Issue 2, pp 181–192 | Cite as

The current and projected burden of multimorbidity: a cross-sectional study in a Southern Europe population

  • P. A. LairesEmail author
  • J. Perelman
Original Investigation


In a context of increasing ageing of the population, it is crucial to better understand multimorbidity and its consequences. This study measured the prevalence of multimorbidity in a Southern Europe population and projected its evolution based on expected demographic changes. It also analysed its associated consequences on self-reported health status, functional capacity, and healthcare use. Our sample included all people aged 25–79 years (6679 men and 8517 women) who participated in the fifth Portuguese National Health Interview Survey, conducted in 2014. Multimorbidity was measured by the presence of at least two self-reported chronic conditions. Multivariable regressions were used to assess the association of multimorbidity with health status, functional capacity, and healthcare use. The projected evolution of multimorbidity was based on official demographic projections. 43.9% of the Portuguese population self-reported the multimorbidity, which was more frequent among older people, women, and low-educated people. We found an association of multimorbidity with poorer health status (OR 3.32, 95%CI 2.60–4.24) and with limited functional capacity (OR 4.44, 95%CI 3.85–5.11). Multimorbidity was also associated with higher healthcare resource use, namely a 26% increased likelihood of hospitalization in the previous 12 months per additional comorbidity. We projected a 13.1% growth in the prevalence of multimorbidity until the year 2050. Multimorbidity affects a substantial share of the population and is expected to grow in the near future related to population ageing. The co-occurrence of chronic health conditions increases sharply with age and is associated with worse health status, reduced functional capacity, and increased healthcare use.


Multimorbidity Ageing Chronic health conditions National Health Survey 


Compliance with ethical standards

Conflict of interest

Pedro Laires is a Novartis employee. The current project was, however, developed during his postdoctoral internship at Nova University and was totally unrelated to any Novartis product or Grant.


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Centro de Investigação em Saúde Pública (CISP), Escola Nacional de Saúde Pública (ENSP)Universidade NOVA de LisboaLisbonPortugal
  2. 2.Escola Nacional de Saúde Pública (ENSP)Universidade NOVA de LisboaLisbonPortugal

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