[Perceived stress in general public during prevalence of severe acute respiratory syndrome and its impact on health behavior].

Objective: To find out the perceived stress in general public during prevalence of severe acute respiratory syndrome (SARS) and its impact on health behavior.

Methods: A retrospective survey was conducted in Guangzhou, Hangzhou, and Taiyuan according to the epidemic situations of SARS, and 2532 subjects were randomly selected from constructive industry, school, and commercial business and residents in urban and rural areas. The perceive stress was measured by Chinese perceived stress scale (CPSS), and health related behavior during SARS was tested by uniform and self-made questionnaire.

[The change of health related behavior during and after severe acute respiratory syndrome prevalence].

Objective: To describe the changes of health related behavior and influencing factor during and after the prevalence of severe acute respiratory syndrome (SARS), as to providing evidence for inducing public health related behavior to cope with the emergent infectious public health hazards.

Methods: According to the epidemic strength of SARS, Guangzhou, Taiyuan, Hangzhou were selected to be the research areas, and convenience sampling was used to identify 200 city residents, 200 country residents and 400 occupational populations from each area. The uniform and self-made questionnaire was carried out by about 2400 residents.

[Study on the relationship between smoking behavior and other unhealthy behaviors among middle school students in 4 cities of China].

Objective: To explore the situation of smoking behavior among the students of middle school in Beijing, Hangzhou, Wuhan and Urumchi and to analyze the relationship between smoking behavior and several unhealthy behaviors together with psychological troubles to provide evidence in developing an early intervention plan.

Methods: The National Health Education Institute (NHEI) of Chinese Center for Disease Control and Prevention (CDC) provided relevant data on all middle schools in the 4 cities and then U.S.

[Alcohol consumption and drug use among middle school students aged 13-15 in 4 cities of China].

Objective: To provide data on alcohol consumption and drug use among middle-school students aged 13-15 in 4 cities of China, and to provide evidence for developing intervention strategies on adolescents alcohol and drug use.

Methods: Standardized sample selection process of two-stage cluster-sampling was used in middle-school students in Beijing, Hangzhou, Wuhan and Urumchi. A self-administered questionnaire survey was conducted in Sept.

[Study on health related behaviors and its protective factors of junior middle school students in 4 cities of China].

Objective: To provide accurate data on health related behaviors and protective factors among students in middle schools in China, for developing priorities, programs and policies on health education.

Methods: We used a standard scientific sample selection process developed by American Center for Disease Control and Prevention (CDC) to conduct the questionnaire survey among middle schools from four cities--Beijing, Hangzhou, Wuhan and Urumchi.

Results: Data were found as: 3.