Body mass index and hypertension hemodynamic subtypes in Yi farmers and migrants.

Objective: To examine the relationship between overweight or obesity and the risk of the various hypertension hemodynamic subtypes in Yi farmers and migrants.

Methods: A cross-sectional study of 2 358 Yi farmers and 1 392 Yi migrants was carried out in the Liangshan Yi autonomous prefecture, Sichuan, China in 2007.

Results: The standardized prevalence of overweight in female Yi farmers (6.

Trends of overweight and obesity in Yi people between 1996 and 2007: an Yi migrant study.

Objective: To evaluate trends of overweight and obesity prevalence between 1996 and 2007 in Yi farmers and Yi migrants.

Methods: An Yi migrant study was conducted in Liangshan Yi Autonomous Prefecture, Sichuan Province, China from 1996 to 2007. Data were collected with identical methods, including standardized questionnaire and body measurements.

HIV, HCV, and HBV co-infections in a rural area of Shanxi province with a history of commercial blood donation.

Background: Unhygienic blood collection in the early 1990s led to blood-borne infections in Central China. This study aimed to estimate human immunodeficiency virus (HIV) co-infection with hepatitis C and B viruses (HCV and HBV) and their risk factors in a rural area of Shanxi Province with a history of commercial blood donation.

Methods: A cross-sectional study was conducted in 2004.

Validation of the Chinese version of the Functional Performance Inventory Short Form in patients with chronic obstructive pulmonary disease.

Aims And Objective: To determine the reliability and validity of the Chinese version of the Functional Performance Inventory Short Form (FPI-SF-C) in patients with chronic obstructive pulmonary disease in Beijing, China.

Background: The Functional Performance Inventory Short Form (FPI-SF) is a 32-item instrument designed to measure self-reported functional performance of patients with chronic obstructive pulmonary disease. This instrument had not been translated into Mandarin Chinese and tested for use in mainland China.

[Study on severity, status of awareness and therapy regarding urinary incontinence in elderly people from rural areas in Jixian county, Tianjin].

Objective: To understand the prevalence of urinary incontinence (UI) and its severity in rural elderly people, as well as to investigate the awareness on UI in the elderly and health-care service seeking behavior.

Methods: A cross-sectional study was carried out in two townships of Jixian county, Tianjin. A total of 743 people aged 60 years and over were selected under cluster sampling method.

Association of the renin gene polymorphism, three angiotensinogen gene polymorphisms and the haplotypes with essential hypertension in the Mongolian population.

Renin is a rate-limiting enzyme of the renin-angiotensin system and plays a crucial role in the regulation of blood pressure (BP). Angiotensinogen (AGT) is the precursor of potent vasoactive hormone angiotensin II and the AGT gene has been incriminated as a marker for genetic predisposition to essential hypertension (EH) in some ethnic groups. The purpose of the study is to explore the association of a new genetic marker of renin gene, and AGT gene M235T, A-6G, and A-20C polymorphisms and their haplotypes with EH in the Mongolian population.

[Reliability and validity of modified pulmonary functional status and dyspnea questionnaire in Chinese patients with chronic obstructive pulmonary disease].

Objective: To determine the reliability and validity of the modified pulmonary functional status and dyspnea questionnaire (PFSDQ-M) Chinese version in patients with chronic obstructive pulmonary disease (COPD) at 2 hospitals in Beijing, China.

Methods: PFSDQ-M has three domains, i.e.

Silicosis in automobile foundry workers: a 29-year cohort study.

Objectives: The purposes were to determine the relationship between silicosis among foundry workers and their cumulative exposure to silica dust, and to establish a regression model to predict the risk for developing silicosis by a given length of employment and air concentrations of silica at worksites.

Methods: A 29-year cohort study was conducted, including all those employed for more than one year during January 1, 1980 to December 31, 1996 and all members of the cohort were followed-up to December 31, 2008. In total, 2009 workers of an automobile foundry in Shiyan, Hubei province were recruited in the study, 1300 at eight worksites including sand preparation, cast shakeout, and finishing, melting, moulding, core-making, overhead crane operation and pouring as exposed group, and the other 709 auxiliary workers at the same factory, such as electricians, inspectors, fitters, and so on, as control group.

[Study on the relationship between chronic diseases and falls in the elderly].

Objective: To explore the risk factors on chronic diseases related to falls in the urban-community elderly and to provide evidence for developing a three-tier program for prevention.

Methods: A cross-sectional study was conducted in one community of Beijing. People aged 60 years and over were selected, using a stratified cluster sampling method, and data on falls within the past 12 months and falls-related chronic diseases were collected through face-to-face interview.

[Study on the prevalence of urinary incontinence and its related factors among elderly in rural areas, Jixian county, Tianjin].

Objective: To understand the prevalence of urinary incontinence (UI) and its related factors so as to develop a three-tier program for prevention of the disease.

Methods: A cross-sectional study was carried out in two townships of Jixian county, Tianjin, during July to November 2007. A total of 743 people aged 60 years and over were selected under cluster sampling, and all information were collected with a standardized structured questionnaire by face-to-face interview.

Prevalence and related factors of falls among the elderly in an urban community of Beijing.

Objective: To understand the prevalence, consequences and risk factors of falls among urban community-dwelling elderly in Beijing.

Methods: A cross-sectional study was conducted in Longtan Community, Beijing. A total of 1512 individuals aged 60 years or over were selected by stratified cluster sampling.

[Acceptability of vaginal microbicides among female sex workers in urban Beijing, China].

Objective: To explore the attitudes and willingness towards vaginal microbicides use among female sex workers (FSWs) for HIV/AIDS and sexually transmitted infection (STI) prevention in an urban district of Beijing, China, as well as its related factors.

Methods: A cross-sectional study using convenience sampling was conducted. A total of 54 FSWs were recruited from Shijingshan District in urban Beijing.

[Factors influencing the rate on retention to methadone maintenance treatment program among heroin addicts in Guizhou, China].

Objective: To understand the situation of client-retention to methadone maintenance treatment (MMT) program and related factors.

Methods: A cohort study was adopted. In total, 1003 heroin addicts who were treated at 8 local MMT clinics with less than one month period, were recruited under nominal informed consent from Guizhou province, southwest part of China, during June to October 2006.

Reliability and validity of addiction severity index in drug users with methadone maintenance treatment in Guizhou province, China.

Objective: To evaluate the reliability and validity of the Chinese version of addiction severity index (ASI)-5th version (ASI-C-5), in illegal drug users receiving methadone maintenance treatment (MMT) in China.

Methods: One hundred and eighty-six heroin addicts (144 men and 42 women) receiving MMT at three clinics in Guizhou province, southwest China, were recruited. They were all interviewed with a questionnaire of ASI-C-5 and 35 were re-interviewed at an interval of seven days to assess its test-retest reliability.

HIV and STIs in clients and female sex workers in mining regions of Gejiu City, China.

Objective: To investigate HIV/sexually transmitted infections (STIs) among female sex workers (FSWs) and clients in a mining region of China.

Goal: To estimate HIV/STI prevalence and to identify HIV risk factors among FSWs and miner clients.

Study Design: A cross-sectional study of 96 FSWs and 339 miner clients.

Multiple risk factor clustering and risk of hypertension in the Mongolian ethnic population of China.

Objective: To evaluate whether the clustering of risk factors, both environmental and genetic, increases the risk of essential hypertension (EH) and the accumulation of risk factors influences the blood pressure level in normotensives.

Methods: On the basis of a prevalence survey, 501 subjects of Mongolian ethnicity (243 hypertensives and 258 normotensives) who were not related to each other were selected to conduct a case-control study. All subjects were interviewed with questionnaires and their blood specimens were collected.

Impact of menopause on quality of life in community-based women in China.

Objective: To assess the impact of menopause, age, and other factors on quality of life (QOL).

Design: Generally healthy women aged 35 to 64 years were recruited from a general community in Beijing, People's Republic of China. An instrument including the Chinese version of the Menopause-Specific Quality of Life Questionnaire was used to obtain data.

[Epidemiologic study on STD/HIV infections among tin mining workers in Gejiu, Yunnan province].

Objective: To estimate human immunodeficiency virus (HIV)/sexually transmitted diseases (STDs) related knowledge, the prevalence and risk factors for HIV/STDs among tin miners in Gejiu, Yunnan Province.

Methods: A cross-sectional study was conducted in tin miners working at 5 mining regions from March to June 2006 in Gejiu City, Yunnan Province. A total of 1796 miners were enrolled in the study, and a standardized questionnaire was administered probing socio-demographic factors, knowledge of HIV/STDs and sexual behavior.

[Study on the association between vaginal douching and sexually transmitted diseases among female sex workers in a county of Yunnan province].

Objective: To explore the epidemic characteristics of vaginal douching, human immunodeficiency virus (HIV) and other sexually transmitted diseases(STD) among female sex workers (FSWs) in Yunnan province.

Methods: FSWs were recruited to be investigated on their demographic data, drug abuse and sexual behavior, HIV/AIDS knowledge and procreation health status. Venous blood were collected to test for HIV, herpes simplex virus 2 (HSV-2) and syphilis while urine specimen was for morphine, cervical secretion for Gonorrhoea and Chlamydia trachomatis, and vaginal secretion for Trichomonas.

Menopause-specific quality of life satisfaction in community-dwelling menopausal women in China.

The present study aimed to evaluate the satisfaction with quality of life of menopausal women living in an urban community of Beijing, People's Republic of China, using the Chinese version of the menopause-specific quality of life questionnaire (MENQOL). Menopause-related complaints were assessed for 353 women aged 40-60 years during their menopausal transition (MT) or postmenopause (PM) using MENQOL. The Kruskal-Wallis non-parametric test and Pearson correlation were used for statistical analysis.

Severe acute respiratory syndrome--retrospect and lessons of 2004 outbreak in China.

Objective: To summarize lessons learned from an outbreak of severe acute respiratory syndrome (SARS) in China during the spring of 2004.

Methods: Data of SARS cases were officially reported by Beijing Municipal Center for Disease Control and Prevention (BCDC) and Anhui Provincial Center for Disease Control and Prevention (APCDC) and results of epidemiological investigations were collected and analyzed.

Results: Three generations of 11 cases of SARS were identified during the outbreak.

Sampling survey of disability in 0-6 year-old children in China.

Objective: To investigate the current status of disabled children and prevalence of disabilities in children aged 0-6 years and their risk factors, and to provide scientific evidence for making relevant policies for disabled children.

Methods: In a community-based cross-sectional study, multi-phase, stratified, unequal proportional and cluster sampling was adopted to survey 60 124 children aged 0-6 years. All the investigated children were screened for disabilities, and those with positive screening tests were further diagnosed by various specialties.

[To assess the demands of community-based health care service among 717 elderly].

Unlabelled: OBJECTIVE To understand the demands and influencing factors on the community-based health care service (CHS) among the elderly and to provide evidence of implementing health service for them

Methods: Cluster sampling method was used on 717 persons aged 60 and above in Yanjiao Developing Area. A survey was carried out, using questionnaire and focus group discussion approaches.

Results: Data showed that a two-week prevalence of diseases was 56.