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Reallocating bouted sedentary time to non-bouted sedentary time, light activity and moderate-vigorous physical activity in adults with prediabetes and type 2 diabetes
Sophiahemmet Univ, Stockholm, Sweden.;Karolinska Inst, Sodersjukhuset, Dept Clin Sci & Educ, Stockholm, Sweden..
Arizona State Univ, Sch Nutr & Hlth Promot, Coll Hlth Solut, Phoenix, AZ USA..
Sophiahemmet Univ, Stockholm, Sweden.;Karolinska Inst, Sodersjukhuset, Dept Clin Sci & Educ, Stockholm, Sweden..
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Food, Nutrition and Dietetics. Sophiahemmet Univ, Stockholm, Sweden.
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2017 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 12, no 7, e0181053Article in journal (Refereed) Published
Abstract [en]

Aim: The aim of this study was to investigate the potential associations of reallocating 30 minutes sedentary time in long bouts (>60 min) to sedentary time in non-bouts, light intensity physical activity (LPA) and moderate-to vigorous physical activity (MVPA) with cardiometabolic risk factors in a population diagnosed with prediabetes or type 2 diabetes.

Methods: Participants diagnosed with prediabetes and type 2 diabetes (n = 124, 50% men, mean [SD] age = 63.8 [7.5] years) were recruited to the physical activity intervention Sophia Step Study. For this study baseline data was used with a cross-sectional design. Time spent in sedentary behaviors in bouts (>60 min) and non-bouts (accrued in <60 min bouts) and physical activity was measured using the ActiGraph GT1M. Associations of reallocating bouted sedentary time to non-bouted sedentary time, LPA and MVPA with cardiometabolic risk factors were examined using an isotemporal substitution framework with linear regression models.

Results: Reallocating 30 minutes sedentary time in bouts to MVPA was associated with lower waist circumference (b = -4.30 95% CI:-7.23, -1.38 cm), lower BMI (b = -1.46 95% CI:-2.60, -0.33 kg/m(2)) and higher HDL cholesterol levels (b = 0.11 95% CI: 0.02, 0.21 kg/m(2). Similar associations were seen for reallocation of sedentary time in non-bouts to MVPA. Reallocating sedentary time in bouts to LPA was associated only with lower waist circumference.

Conclusion: Reallocation of sedentary time in bouts as well as non-bouts to MVPA, but not to LPA, was beneficially associated with waist circumference, BMI and HDL cholesterol in individuals with prediabetes and type 2 diabetes. The results of this study confirm the importance of reallocation sedentary time to MVPA.

Place, publisher, year, edition, pages
PUBLIC LIBRARY SCIENCE , 2017. Vol. 12, no 7, e0181053
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-332836DOI: 10.1371/journal.pone.0181053ISI: 000406579300010PubMedID: 28753626OAI: oai:DiVA.org:uu-332836DiVA: diva2:1155883
Funder
Swedish Diabetes AssociationForte, Swedish Research Council for Health, Working Life and Welfare
Available from: 2017-11-09 Created: 2017-11-09 Last updated: 2017-11-09Bibliographically approved

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