Standing for as much as seven hours a day, and walking seven miles, may be needed to avoid heart disease, according to the study.
Tigbe kitted out 111 healthy postal workers with activity monitors for seven days; 55 were office workers and 56 delivered post for a living. The study found that those who had desk jobs had a bigger waist circumference – 97 cm compared to 94 cm – and about one Body mass index (BMI) unit difference.
They also had a higher risk of cardiovascular disease – 2.2 per cent compared to 1.6 per cent over ten years. BMI is a measure of body fat based on height and weight.