Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study

Abstract Background Sedentary behavior, such as excessive sitting, increases risk of cardiovascular disease and premature mortality in the general population, but this has not been assessed in type 1 diabetes. Occupational sitting is increasingly ubiquitous and often constitutes the largest portion...

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Main Authors: Matias Seppälä, Heidi Lukander, Johan Wadén, Marika I. Eriksson, Valma Harjutsalo, Per-Henrik Groop, Lena M. Thorn, FinnDiane Study Group
Format: Article
Language:English
Published: BMC 2024-10-01
Series:Cardiovascular Diabetology
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Online Access:https://doi.org/10.1186/s12933-024-02486-7
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author Matias Seppälä
Heidi Lukander
Johan Wadén
Marika I. Eriksson
Valma Harjutsalo
Per-Henrik Groop
Lena M. Thorn
FinnDiane Study Group
author_facet Matias Seppälä
Heidi Lukander
Johan Wadén
Marika I. Eriksson
Valma Harjutsalo
Per-Henrik Groop
Lena M. Thorn
FinnDiane Study Group
author_sort Matias Seppälä
collection DOAJ
description Abstract Background Sedentary behavior, such as excessive sitting, increases risk of cardiovascular disease and premature mortality in the general population, but this has not been assessed in type 1 diabetes. Occupational sitting is increasingly ubiquitous and often constitutes the largest portion of daily sitting time. Our aim was to identify clinical factors associated with excessive occupational sitting in type 1 diabetes and, in a prospective setting, to explore its association with cardiovascular events and all-cause mortality, independent of leisure-time physical activity. Methods An observational follow-up study of 1,704 individuals (mean age 38.9 ± 10.1 years) from the Finnish Diabetic Nephropathy Study. Excessive occupational sitting, defined as ≥ 6 h of daily workplace sitting, was assessed using a validated self-report questionnaire. Data on cardiovascular events and mortality were retrieved from national registries. Multivariable logistic regression identified independently associated factors, while Kaplan-Meier curves and Cox proportional hazard models were used for prospective analyses. Results Factors independently and positively associated with excessive occupational sitting included a high occupational category [OR 6.53, 95% CI (4.09‒10.40)] and older age [1.02 (1.00‒1.03)], whereas negatively associated factors included current smoking [0.68 (0.50‒0.92)], moderate albuminuria [0.55 (0.38‒0.80)], and high leisure-time physical activity [0.52 (0.36‒0.74)]. During a median follow-up of 12.5 (6.5–16.4) years, 163 individuals (9.6%) suffered cardiovascular events, and during a median follow-up of 13.7 (9.4–16.6) years, 108 (6.3%) deaths occurred. Excessive occupational sitting increased cardiovascular event risk (hazard ratio [HR] 1.55 [95% CI 1.10‒2.18]) after adjustment for confounders and other covariates. Furthermore, in a stratified multivariable analysis among current smokers, excessive occupational sitting increased the risk of all-cause mortality (2.06 [1.02‒4.20]). Conclusions Excessive occupational sitting is associated with a higher risk of cardiovascular events and all-cause mortality in individuals with type 1 diabetes. This association persists regardless of leisure-time physical activity, after adjusting for independently associated variables identified in our cross-sectional analyses. These findings underscore the need to update physical activity guidelines to better address sedentary behavior and improve outcomes for individuals with type 1 diabetes. Targeting occupational sitting should be considered a key focus for interventions aimed at reducing overall sedentary time. Graphical Abstract
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spelling doaj-art-f90347c5a44c44139a880c54edc6a2872025-01-19T12:09:02ZengBMCCardiovascular Diabetology1475-28402024-10-0123111110.1186/s12933-024-02486-7Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy StudyMatias Seppälä0Heidi Lukander1Johan Wadén2Marika I. Eriksson3Valma Harjutsalo4Per-Henrik Groop5Lena M. Thorn6FinnDiane Study GroupFolkhälsan Research Center, Biomedicum HelsinkiFolkhälsan Research Center, Biomedicum HelsinkiFolkhälsan Research Center, Biomedicum HelsinkiFolkhälsan Research Center, Biomedicum HelsinkiFolkhälsan Research Center, Biomedicum HelsinkiFolkhälsan Research Center, Biomedicum HelsinkiFolkhälsan Research Center, Biomedicum HelsinkiAbstract Background Sedentary behavior, such as excessive sitting, increases risk of cardiovascular disease and premature mortality in the general population, but this has not been assessed in type 1 diabetes. Occupational sitting is increasingly ubiquitous and often constitutes the largest portion of daily sitting time. Our aim was to identify clinical factors associated with excessive occupational sitting in type 1 diabetes and, in a prospective setting, to explore its association with cardiovascular events and all-cause mortality, independent of leisure-time physical activity. Methods An observational follow-up study of 1,704 individuals (mean age 38.9 ± 10.1 years) from the Finnish Diabetic Nephropathy Study. Excessive occupational sitting, defined as ≥ 6 h of daily workplace sitting, was assessed using a validated self-report questionnaire. Data on cardiovascular events and mortality were retrieved from national registries. Multivariable logistic regression identified independently associated factors, while Kaplan-Meier curves and Cox proportional hazard models were used for prospective analyses. Results Factors independently and positively associated with excessive occupational sitting included a high occupational category [OR 6.53, 95% CI (4.09‒10.40)] and older age [1.02 (1.00‒1.03)], whereas negatively associated factors included current smoking [0.68 (0.50‒0.92)], moderate albuminuria [0.55 (0.38‒0.80)], and high leisure-time physical activity [0.52 (0.36‒0.74)]. During a median follow-up of 12.5 (6.5–16.4) years, 163 individuals (9.6%) suffered cardiovascular events, and during a median follow-up of 13.7 (9.4–16.6) years, 108 (6.3%) deaths occurred. Excessive occupational sitting increased cardiovascular event risk (hazard ratio [HR] 1.55 [95% CI 1.10‒2.18]) after adjustment for confounders and other covariates. Furthermore, in a stratified multivariable analysis among current smokers, excessive occupational sitting increased the risk of all-cause mortality (2.06 [1.02‒4.20]). Conclusions Excessive occupational sitting is associated with a higher risk of cardiovascular events and all-cause mortality in individuals with type 1 diabetes. This association persists regardless of leisure-time physical activity, after adjusting for independently associated variables identified in our cross-sectional analyses. These findings underscore the need to update physical activity guidelines to better address sedentary behavior and improve outcomes for individuals with type 1 diabetes. Targeting occupational sitting should be considered a key focus for interventions aimed at reducing overall sedentary time. Graphical Abstracthttps://doi.org/10.1186/s12933-024-02486-7Occupational sittingSedentary behaviorCardiovascular eventsAll-cause mortalityType 1 diabetes
spellingShingle Matias Seppälä
Heidi Lukander
Johan Wadén
Marika I. Eriksson
Valma Harjutsalo
Per-Henrik Groop
Lena M. Thorn
FinnDiane Study Group
Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study
Cardiovascular Diabetology
Occupational sitting
Sedentary behavior
Cardiovascular events
All-cause mortality
Type 1 diabetes
title Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study
title_full Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study
title_fullStr Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study
title_full_unstemmed Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study
title_short Excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective Finnish Diabetic Nephropathy Study
title_sort excessive occupational sitting increases risk of cardiovascular events among working individuals with type 1 diabetes in the prospective finnish diabetic nephropathy study
topic Occupational sitting
Sedentary behavior
Cardiovascular events
All-cause mortality
Type 1 diabetes
url https://doi.org/10.1186/s12933-024-02486-7
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