Researchers from the University of Ottawa Heart Institute have conducted a study involving 278 patients with coronary artery disease. The study aimed to observe their sedentary behaviour and how it affected their health.

Sitting was found to be an independent risk factor and that the amount of time spent on the activity is as important as how much the patients exercised.

Stephanie Prince, who led the study, said that time spent on sitting should be limited. They found out that the patients were still sedentary even if they undergone a rehabilitation program from the Heart Institute.

One of the findings was that men spend more time sitting than women on average for about an hour more in one day. To monitor the patients' activity level, they had to wear activity monitors whenever they were supposed to be awake for nine days.

The researchers did not observe only the patients' sedentary behaviour and activity levels, they also measured their cardiorespiratory fitness and body mass index. Other health markers were also assessed.

Patients who had a higher BMI and lower cardiorespiratory fitness were found to be sitting more even if they still exercised.

Exercise and other physical activities does not do much for reducing sedentary time. Other research also suggests that it can even worsen their health condition.

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