[Implementation of second prevention measures on chronic diseases in Chinese, 2002].

Objective: To describe the implementation of secondary prevention measures (blood pressure measure, test of blood lipid, and screening test for breast cancer and cervix uteri) on chronic diseases in different populations.

Methods: The indicators on proportion of receiving blood pressure measurement, tests on blood lipid, screening of breast cancer and cervix uteri in research samples, as well as awareness of the risk of hypertension and hyper lipid were calculated based on results from 1BRFS questionnaire by weight on age structures from 2000 census.

Results: 22% and 5% of people under research understood the risk of hypertension and hyper lipid on their health.

[Study on knowledge, attitudes and behaviors regarding infectious diseases among Chinese people in 2002].

Objective: To describe knowledge, attitudes and behaviors on infectious diseases in different Chinese populations by their education levels, occupation and residential districts.

Methods: Data regarding awareness of the transmission routes and prevention strategies on hepatitis, sexually transmitted diseases (STD), acquired immune deficiency syndrome (AIDS) and prevalence rates on a) self-reported STD b) seeking treatment for STD c) source of knowledge on AIDS prevention, were calculated based on results from 17 questions of BRFS questionnaire by weight on age structures from 2000 census.

Results: Most people realized that hepatitis, STD and AIDS were important issues in public health.

[Study on diet, physical activities and body mass index in Chinese population in 2002].

Objective: To describe the prevalence of behavior on diet, physical activities and body mass index (BMI) in different populations related to factors as education, occupation and geographical distribution.

Methods: Indicators including frequency of taking different foods, intake of cooking oil/fast foods, intensities of physical activities at work, proportion of taking physical exercises during the day, sedentary life style and BMI were calculated based on results from 17 questions of behavior risk factors surveillance (BRFS) questionnaire by weight on age structures from 2000 census.

Results: Seventy percentage of the people took vegetable and 40 percent took fruits 5-7 days per week, and over 50 percent of them ate pork/beef/mutton but few of them ate beans and eggs.

[Smoking and passive smoking in Chinese, 2002].

Objective: To describe the prevalence of smoking, quitting smoke, and passive smoking in different populations by education status, occupation and geographic distribution.

Methods: Surveillance on risk behaviors in 145 disease surveillance points (DSP) was carried out in 2002 by multi-steps random sampling through questionnaires. 16,407 records had been completed with 16 056 used for analysis.

[Comparison of data population-based and from hospital-based injuries].

Objective: To compare data from an epidemiological survey on injuries with a survey conducted in hospitals on injuries in the same areas and to find out the differences and shortcomings of hospital data in describing the feature of injuries in an area.

Methods: Comparing the causes and age distributions of injuries from the two surveys.

Results: The first 4 leading causes of injuries from the population-based survey were mechanical injuries, falls, burns/scalds and traffic accidents while the first 4 leading causes of hospital-based survey were traffic accidents, assault, mechanical injuries and burns/scalds.

[Survey on injury in four rural communities in China].

Objective: To understand the incidence and prevalence by causes of injury, and the proportion of different causes of deaths, as well as occurrence of disability due to injuries.

Methods: 200,000 families were randomly sampled in 4 rural communities. Questionnaire on occurrence, disability, death of injury and related risk factors for all family members living at home from Feb.