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Sedentary behaviour and risk of all-cause, cardiovascular and cancer mortality, and incident type 2 diabetes: a systematic review and dose response meta-analysis

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Patterson, Richard, McNamara, Eoin, Tainio, Marko, de Sá, Thiago Hérick, Smith, Andrea D., Sharp, Stephen J., Edwards, Phil, Woodcock, James +2 more·2018·European Journal of Epidemiology

Abstract

PURPOSE: To estimate the strength and shape of the dose-response relationship between sedentary behaviour and all-cause, cardiovascular disease (CVD) and cancer mortality, and incident type 2 diabetes (T2D), adjusted for physical activity (PA). Data Sources: Pubmed, Web of Knowledge, Medline, Embase, Cochrane Library and Google Scholar (through September-2016); reference lists. Study Selection: Prospective studies reporting associations between total daily sedentary time or TV viewing time, and ≥ one outcome of interest. Data Extraction: Two independent reviewers extracted data, study quality was assessed; corresponding authors were approached where needed. Data Synthesis: Thirty-four studies (1,331,468 unique participants; good study quality) covering 8 exposure-outcome combinations were included. For total sedentary behaviour, the PA-adjusted relationship was non-linear for all-cause mortality (RR per 1 h/day: were 1.01 (1.00-1.01) ≤ 8 h/day; 1.04 (1.03-1.05) > 8 h/day of exposure), and for CVD mortality (1.01 (0.99-1.02) ≤ 6 h/day; 1.04 (1.03-1.04) > 6 h/day). The association was linear (1.01 (1.00-1.01)) with T2D and non-significant with cancer mortality. Stronger PA-adjusted associations were found for TV viewing (h/day); non-linear for all-cause mortality (1.03 (1.01-1.04) ≤ 3.5 h/day; 1.06 (1.05-1.08) > 3.5 h/day) and for CVD mortality (1.02 (0.99-1.04) ≤ 4 h/day; 1.08 (1.05-1.12) > 4 h/day). Associations with cancer mortality (1.03 (1.02-1.04)) and T2D were linear (1.09 (1.07-1.12)). CONCLUSIONS: Independent of PA, total sitting and TV viewing time are associated with greater risk for several major chronic disease outcomes. For all-cause and CVD mortality, a threshold of 6-8 h/day of total sitting and 3-4 h/day of TV viewing was identified, above which the risk is increased.

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  • Thresholds of 6-8 hours per day for total sitting and 3-4 hours per day for TV viewing have been identified above which all-cause and cardiovascular disease mortality risk is increased.

    “a threshold of 6-8 and 3-4 h/ day has been identified for total sitting and TV viewing, respectively, above which the risk of all-cause and CVD mortality is increased.14”

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  1. [7]Scholes S Mindell J Craig R Mindell J Chapter 2—Physical activity in adults Health survey for England 2012. Volume 1: Health, social care and lifestyles 2013 Leeds Health and Social Care Information Centre

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Authors
Patterson, R., McNamara, E., Tainio, M., de Sá, T. H., Smith, A. D., Sharp, S. J., Edwards, P., Woodcock, J., Brage, S., & Wijndaele, K.
Affiliations
  • Imperial College London (GB)
  • University of Cambridge (GB)
  • University College London (GB)
  • London School of Hygiene & Tropical Medicine (GB)
Corresponding author
Patterson, Richard
Venue
European Journal of Epidemiology
Published
2018-03-28
Volume
33
Issue
9
Pages
811-829
ISSN
  • 0393-2990 (ISSN-L)
  • 1573-7284
OpenAlex
W2794463825
Cited by
1,423
References
99
Citations by year
2026: 118 · 2025: 188 · 2024: 247 · 2023: 202 · 2022: 206 · 2021: 169 · 2020: 184 · 2019: 88 · 2018: 21
FWCI
15.20
Type
journal article
Language
en
Open access
Locations
  • European Journal of Epidemiology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • LSHTM Research Online (London School of Hygiene and Tropical Medicine) (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Apollo (cc-by)
Funders
  • British Heart Foundation (FS/12/58/29709)
  • Medical Research Council (MC_UU_12015/3, MC_UU_12015/1)
  • Cancer Research UK
  • Economic and Social Research Council
  • National Institute for Health Research
  • Wellcome Trust
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Medicine › Pharmacology › Coffee research and impacts
Keywords
sedentary behavior, sitting time, television viewing, all-cause mortality, cardiovascular mortality, cancer mortality, type 2 diabetes, dose-response relationship, physical activity, nonlinear relationship, threshold effects, chronic disease risk
MeSH terms
Cardiovascular Diseases, Diabetes Mellitus, Type 2, Female, Humans, Male, Neoplasms, Television, Time Factors, Exercise, Sedentary Behavior

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