[Measuring diet quality of chinese 18 - 59 years adult using chinese diet balance index].

Objective: To evaluate the overall diet quality of Chinese adults using Chinese Diet Balance Index and the validity of DBI.

Methods: 28320 adult aged 18 - 59 years who had completed 3 day dietary information and basic information were selected from 2002 National Nutrition and Health Survey. Diet quality were evaluated by using DBI scoring and evaluating system.

Results: The major problems of Chinese residents are adequate food intake and excessive food intake co-exist. dietary quality are different between urban and rural populations, the extent of lower intake and excessive intake both is higher in rural areas than in urban areas. It shows that the extent of dietary imbalance is worse and severe among rural residents. The diet quality is effected by individual education level and family income.

Conclusions: Comparing with the other measurements, DBI can describe the overall dietary quality more comprehensive, be easier to find out the major problem of the dietary pattern, and describe the extend of the problem numerically.