BACKGROUND The World Health Organization (WHO) conducted the World Health Survey (WHS) between 2002 and 2004 in 70 countries to provide cross-population comparable data on health, health-related outcomes and risk factors. The aim of this study was to apply Grade of Membership (GoM) modelling as a means to condense extensive health information from the WHS into a set of easily understandable hea...

in order to have a rational environmental health planning we need to know the status of environmental health and foresee the results of the projects in action. so a general sanitary survey was carried out in 105 villages in isfahan area in 1969-70. the purposes of this survey were to study the sanitary condition and bacteriblogica1 quality of water in villages with or with out community water s...

background: to investigate the association between socio-economic status and obesity in non-menopause women aged 15-49 years in tehran, iran. methods: this study was based on iran national health survey conducted in 1999. obesity is defined as a body mass in­dex over ≥30. constructed area (per-person), educational level and job are considered as factors indicating the socioeconomic status. the ...

PURPOSE Using a world-wide, population-based dataset, we sought to examine the relationship between visual difficulty and employment status. METHODS The World Health Survey was conducted in 70 countries throughout the world in 2003 using a random, multi-stage, stratified, cluster sampling design. Far vision was assessed by asking about the level of difficulty in seeing and recognizing a perso...