BACKGROUND The objectives of this study were to estimate the prevalence of thalassemia and to analyze the need for public health services for migrant populations in different cities in Guangdong Province, China. METHODS A cross-sectional survey was conducted in 21 cities of Guangdong Province. Twenty-three types of a- and β-globin gene mutations were detected in a total of 14,230 pregnant wom...

background: brucellosis is a major zoonosis worldwide. many people for their professions are at higher risk of contracting the disease. objective: to determine the seroprevalence of brucellosis and its risk factors in a group of high risk professions. methods: in a cross-sectional study, all personnel or students of veterinary schools, slaughters and butchers working in the city were invited to...

OBJECTIVES To estimate the prevalence of dysfunctional breathing in adults with asthma treated in the community. DESIGN Postal questionnaire survey using Nijmegen questionnaire. SETTING One general practice with 7033 patients. PARTICIPANTS All adult patients aged 17-65 with diagnosed asthma who were receiving treatment. MAIN OUTCOME MEASURE Score >/=23 on Nijmegen questionnaire. RESUL...

OBJECTIVE To determine the prevalences of overweight and obesity in children aged 4 to 12 years, using the standard definitions proposed by the International Obesity Taskforce. DESIGN Population prevalence cross-sectional survey involving measurement of height and weight. Data collection took place in 1998. SETTING Schools in Gibraltar. SUBJECTS In total 2994 children, aged 4-12 years, at...

OBJECTIVE To conduct a comprehensive survey on disability to determine the prevalence and distribution of cause-specific disability among residents of the Manikganj district in Bangladesh. METHODS The survey was conducted in Manikganj, a typical district in Bangladesh, in 2009. Data were collected from 37 030 individuals of all ages. Samples were drawn from 8905 households from urban and rura...

background little is known about hev seroprevalence and its determinants in iran. considering the fact that iran is among the countries in which hev infection is endemic, a large-scale population-based study in this regard is justified. methods this survey was conducted in 2006 in tehran and golestan provinces, iran. stored sera of subjects were tested for serological markers of anti-hev. the b...

IMPORTANCE Recent national data suggest there were improvements in serum lipid concentrations among US children and adolescents between 1988 and 2010 but an increase in or stable blood pressure (BP) during a similar period. OBJECTIVE To describe the prevalence of and trends in dyslipidemia and adverse BP among US children and adolescents. DESIGN The National Health and Nutrition Examination...

BACKGROUND Previous studies indicate increased prevalences of suicidal ideation, suicide attempts, and completed suicide in Huntington's disease (HD) compared with the general population. This study investigates correlates and predictors of suicidal ideation in HD. METHODS The study cohort consisted of 2106 HD mutation carriers, all participating in the REGISTRY study of the European Huntingt...

BACKGROUND This population study based on a representative sample from a Swedish county investigates the prevalence, duration, and determinants of widespread pain (WSP) in the population using two constructs and estimates how WSP affects work status. In addition, this study investigates the prevalence of widespread pain and its relationship to pain intensity, gender, age, income, work status, c...

OBJECTIVE Studies on the independent role of parity in long-term body weight change in economically developing countries are scarce and inconclusive, and only a few studies have taken into account patterns of breast-feeding. This association was examined in a national cross-sectional survey representative of Brazilian parous women. DESIGN AND SETTING The survey conducted in 1996 measured wome...