Sedentary Behaviour

Question 1

Is exercise the same as movement?

Answer 1

No, it is merely a small component

Question 2

What are affluent ailments and how do they differ between exercisers and non-exercisers?

Answer 2

Ailments such as back pain etc are the same for exercisers and non-exercisers

Question 3

Does getting the recommended amount of exercise mean you are not sedentary?

Answer 3

No

Question 4

Does sitting time correlate with exercise?

Answer 4

Weak negative correlation - More active people had slightly less sitting time

Question 5

What is an objective measure of physical activity?

Answer 5

Not reliant on self-report. EG Posture monitor

Question 6

Predictors of sedentary behaviour in youth?

Answer 6

Age
BMI
Diet
Sex
Ethnicity
Parental TV viewing, income and education

Question 7

What are personality predictors of sedentary behaviour?

Answer 7

High neuroticism and low conscientiousness leads to higher sedentary behaviour

Question 8

What is the heritability of sedentary behaviour?

Answer 8

Between 9-48%

Question 9

How is sedentary behaviour linked to depression and anxiety?

Answer 9

 Allen, Walter & Swann (2019) - SB increased risk of anxiety
 Stubbs et al. (2018) - Depression led to higher SB

Question 10

What is the association between mortality (CVD and Cancer) and SB?

Answer 10

Cardiovascular Death - association between sitting time 9-32% and TV time 3-59%

Cancer - Weaker than CVD 6-21%

Question 11

What is the link between life expectancy and SB?

Answer 11

Non-liner relationship but strong associations between TV viewing and all-cause mortality

Question 12

How useful are standing desks?

Answer 12

Not much more useful than sitting - half hour walk at lunch time burns more calories