2016's top 100 journal articlesSystems & complexity

Online social integration is associated with reduced mortality risk [2016’s top 100 journal articles]

This is the final part (part 10) of a series reviewing selected papers from the top 100 most-discussed journal articles of 2016.

Friendships and other face-to-face social connections have repeatedly been associated with human longevity. This is because social integration is thought to assist improved health through motivating healthy behaviours, improving immunity, and reducing inflammation.

But what about online social networks? Online interaction with friends has been shown to lead to increased face-to-face social engagement, which is likely to have a positive relationship with health. However, time spent on social media may also reduce the time available for face-to-face social activity, resulting in unhealthy sedentary behaviour.

A recent study1 sought to explore the relationship between online social interaction and human health by referencing 12 million anonymised Facebook profiles against California public health records and analysing the data using longitudinal statistical models. The paper reporting the study is article #97 of the top 100 most-discussed journal articles of 2016.

The study found that:

  • receiving friendship connection requests is associated with reduced mortality, but initiating friendship requests is not
  • larger social media network size is associated with better health
  • online behaviors that indicate face-to-face social activity, such as posting photos, are associated with reduced mortality
  • online-only behaviors, such as sending messages, have a nonlinear relationship with reduced mortality, where moderate use is associated with the lowest mortality.

These results suggest that people who use online social media have lower mortality rates than those who don’t.

However, the researchers acknowledge a number of important limitations, including:

  • the results of the study may not be transferable because Facebook is a unique social media site, and online platforms are constantly changing
  • the measures of mortality risk used in the study cover just a 2-year period for a single state in the United States, and different relationships might be found in studies with longer follow-up or in different states or countries.

The researchers state that although their research “is an associational study, it may be an important step in understanding how, on a global scale, online social networks might be adapted to improve modern populations’ social and physical health.”

Header image source: Social Media apps by Jason Howie is licenced by CC BY 2.0.


  1. Hobbs, W. R., Burke, M., Christakis, N. A., & Fowler, J. H. (2016). Online social integration is associated with reduced mortality risk. Proceedings of the National Academy of Sciences, 113(46), 12980-12984.
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Also published on Medium.

Bruce Boyes

Bruce Boyes (www.bruceboyes.info) is editor, lead writer, and a director of the award-winning RealKM Magazine (www.realkm.com), and a knowledge management (KM), environmental management, and project management professional. He is a PhD candidate in the Knowledge, Technology and Innovation Group at Wageningen University and Research, and holds a Master of Environmental Management with Distinction. His expertise and experience includes knowledge management (KM), environmental management, project management, stakeholder engagement, teaching and training, communications, research, and writing and editing. With a demonstrated ability to identify and implement innovative solutions to social and ecological complexity, Bruce's many career highlights include establishing RealKM Magazine as an award-winning resource, using agile and knowledge management approaches to oversee an award-winning $77.4 million western Sydney river recovery program, leading a knowledge strategy process for Australia's 56 natural resource management (NRM) regional organisations, pioneering collaborative learning and governance approaches to support the sustainable management of landscapes and catchments, and initiating and teaching two new knowledge management subjects at Shanxi University in China.

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