A greater amount of time spent sitting watching television or at a computer appears to significantly increase cardiometabolic risk factors

In November 2018 researchers from Australia, UK and the USA published the results of their study to assess the association between times spent sitting during four different activities and cardiometabolic risk. 3,429 individuals, average age 58 years, were included in the study and cardiometabolic risk factors (waist circumference, BMI, resting blood pressure, triglycerides, HDL- and LDL-cholesterol, and fasting and 2-hour post-load glucose levels) were assessed. Information on time spent sitting during work, whilst travelling, television viewing and leisure-time computer use was self-reported. Results showed that a higher cardiometabolic risk appeared to be significantly associated with greater television-viewing and computer sitting time. However, sitting at work and whilst travelling only tended to be associated with an increased cardiometabolic risk.

Dempsey PC et al. Associations of context-specific sitting time with markers of cardiometabolic risk in Australian adults. Int J Behav Nutr Phys Act. 2018 Nov 20;15(1):114.

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