Only 30 percent of civil servants in Jiangsu province maintain good health due to sitting for hours and lack of exercise, according to the provincial Sports Science Institute.

The institute said 33.1 percent of male civil servants have overweight or obesity problems, while the figure for females remains at 17 percent. More than 40 percent of staff over 40 years of age suffer from hardening of the arteries.

It suggests that people should exercise at least three times a week for a minimum 20 minutes each time.