[Awareness of Acquired Immune Deficiency Syndrome and Its Influencial Factors among College Students in Universities Implementing "Red Ribbon in Colleges" Event across China].

Objective To investigate the college students'awareness of acquired immune deficiency syndrome (AIDS) and its influencial factors in universities implementing "Red Ribbon in Colleges" event.Methods A multistage random sampling method was used to select 2057 students from 8 universities. Among them,1977 students were surveyed by quantitative questionnaires and 80 students were interviewed qualitatively.

[Prevalence of Hepatitis B Surface Antigens and Hepatitis B Surface Antibodies in 1-12 Years-old Children in Mianyang,Sichuan].

Objective: To determine the prevalence of hepatitis B surface antigens (HBsAg) and hepatitis B surface antibodies (anti-HBs) in 1-12 years-old children in Mianyang city,Sichuan Province.

Methods: Children born after the implementation of Hepatitis B immunization policy were selected using a stratified random cluster sampling strategy from January to December 2015. A total of 72 623 eligible children participated in the study,which included a questionnaire survey and blood tests (0.

[Prevalence of Overweight and Obesity in Adult Populations in Mianyang,Sichuan Province].

Objective: To determine the prevalence of overweight and obesity in adult populations in Mianyang,Sichuan province.

Methods: A questionnaire survey involving physical examinations were conducted in 262 434 adults (≥18 yr.) selected through multi-stage random sampling from November 2014 to September 2015 in Mianyang city.