BACKGROUND The reasons for racial/ethnic disparities in hypertension (HTN) prevalence in the United States are poorly understood. METHODS Using data from the Multi-Ethnic Study of Atherosclerosis (MESA), we investigated whether individual- and neighborhood-level chronic stressors contribute to these disparities in cross-sectional analyses. The sample consisted of 2,679 MESA participants (45-8...

STUDY OBJECTIVE The aim was to assess the geographical variation in low back pain and associated disability in Britain. DESIGN This was a cross sectional survey with information collected by postal questionnaire. SETTING General practices in seven British towns and one rural district. SUBJECTS 1172 men and 1495 women aged 20-59 years were selected from the age-sex registers of 136 general...

BACKGROUND Blinding trachoma is targeted for elimination by 2020 using the SAFE strategy (Surgery, Antibiotics, Facial cleanliness, and Environmental improvements). Annual mass drug administration (MDA) with azithromycin is a cornerstone of this strategy. If baseline prevalence of clinical signs of trachomatous inflammation - follicular among 1-9 year-olds (TF1-9) is ≥ 10% but <30%, the World H...

OBJECTIVE To characterise plasma and red-blood-cell (RBC) folate status among pregnant women in an area with an extremely high prevalence of neural tube defects, and to compare them with those of women from a low prevalence area. DESIGN A cross-sectional survey conducted in 2003. SETTING One county and one city from each of the high prevalence area and the low prevalence area in China. SU...

BACKGROUND There is paucity of data on the nutritional status of school-age children in Sagamu town of Southwestern Nigeria. OBJECTIVE To determine the nutritional status of primary school children in Sagamu Local Government Area, Nigeria. METHODS A cross-sectional survey of primary school children aged 6 to 10 years in Sagamu, Southwestern Nigeria was done. Eight schools were selected usin...

BACKGROUND Despite an expected high prevalence of pregnancy-mask in the Negroid tropical environments, only a few women present to the physicians with this condition in Enugu. It is unclear whether this is due to low prevalence or poor awareness of the condition. OBJECTIVES To determine the prevalence, awareness and treatment of pregnancy-mask among Igbo women in Enugu, Nigeria. METHOD The ...