Dairy Consumption and Associations with Nutritional Status of Chinese Children and Adolescents.

Objective: This study aimed to describe frequency and quantity of total dairy consumption of Chinese children and adolescents and explore the associations between dairy consumption and nutrition status, including stunting, wasting, overweight, and obesity.

Methods: Participants included 28,250 children and adolescents aged 6-17 years old. A food frequency questionnaire (FFQ) including 100 kinds of food was used to collect information about frequency and quantity of dairy consumption.

[Analysis for the blood mineral content of children aged 3 to 12 years in 7 cities and 2 towns in China].

Objective: To investigate the status of blood mineral content of children aged 3 to 12 years in Chinese cities and countryside and explore the possible related influencing factors.

Methods: The multistage stratified cluster random sampling was used to select one kindergarten and one primary school in seven cities (Beijing and Guangzhou and so on) and two towns randomly. Firstly, we selected one bottom class, middle class, top class in one kindergarten and one second grade and fifth grade in one primary school randomly.