The survey, the first of its kind in the country, showed 53 per cent of employers polled want stronger legislation and government policies to help employees with depression.
The China survey, titled Impact of Depression at Work, was conducted by Ipsos Healthcare UK with an educational grant from H Lundbeck A/S.
It was part of a worldwide survey involving 16 countries, including France, Italy, Mexico and Japan.
"Depression seriously impairs productivity. In fact, more than half of the social and economic burden caused by depression is related to sick leaves and poor efficiency," Wang Gang, professor of psychiatry and mental health of the Capital Medical University, was quoted as saying by state-run China Daily.
More From This Section
Wang is also the vice-president of the China Association for Mental Health.
In 2007, a study jointly done by the University of California, Berkeley, and the Shanghai Mental Health Centre showed annual economic losses related to depression in China stood at 51.37 billion yuan (USD 8.35 billion), including 5.62 billion yuan in treatment costs.
Wang pointed to those in sectors like medicine and civil services as being at the greatest risk of developing depression.
Six government officials at the local level reportedly committed suicide in July.
Two of them, Zhang Bocheng, a health bureau official in Henan province, and Wang Yunqing, a senior State-owned assets administration official in Hubei province, suffered from severe depression, previous reports said.