background: screen time (st), including watching television and playing electronic games are the leading cause of a growing obesity epidemic. this study aimed to evaluate st and its association with physical activity, overweight and socioeconomic status (ses) in children 10 to 12 years of age in sanandaj.   methods: this study was designed as a cross-sectional study, which was conducted in sana...

background: this study aimed to assess the frequency of consuming different types of snacks among iranian students according to socio-economic status (ses) of their living region. methods: data were obtained from the fourth national school-based surveillance survey entitled caspian-iv study. overall, 14880 school students, aged 6-18 years, were selected through multistage, cluster sampling from...

the present study aims to simulate the spatial pattern of land use change in lisar protected area,iran. land cover maps for 1989, 2000, and 2007 were depicted using tm, etm+, and irs liss-iii images ofthe area at stake. images were classified using a merge of unsupervised and supervised classification. camarkov model was used to predict land cover maps as a top-down approach in investigating la...

vii The specific objectives of the GIWA were to conduct a holistic and globally comparable assessment of the world’s transboundary aquatic resources that incorporated both environmental and socio-economic factors and recognised the inextricable links between freshwater and marine environments, in order to enable the GEF to focus their resources and to provide guidance and advice to governments ...

vii The specific objectives of the GIWA were to conduct a holistic and globally comparable assessment of the world’s transboundary aquatic resources that incorporated both environmental and socio-economic factors and recognised the inextricable links between freshwater and marine environments, in order to enable the GEF to focus their resources and to provide guidance and advice to governments ...

vii The specifi c objectives of the GIWA were to conduct a holistic and globally comparable assessment of the world’s transboundary aquatic resources that incorporated both environmental and socio-economic factors and recognised the inextricable links between freshwater and marine environments, in order to enable the GEF to focus their resources and to provide guidance and advice to governments...

vii The specific objectives of the GIWA were to conduct a holistic and globally comparable assessment of the world’s transboundary aquatic resources that incorporated both environmental and socio-economic factors and recognised the inextricable links between freshwater and marine environments, in order to enable the GEF to focus their resources and to provide guidance and advice to governments ...

vii The specifi c objectives of the GIWA were to conduct a holistic and globally comparable assessment of the world’s transboundary aquatic resources that incorporated both environmental and socio-economic factors and recognised the inextricable links between freshwater and marine environments, in order to enable the GEF to focus their resources and to provide guidance and advice to governments...

AIM To measure the association of income, education, occupational class, small area socio-economic deprivation, car access and labour force status with mortality among 25-64 year old males and females using the 1991 census-cohort of the New Zealand Census-Mortality Study. METHODS Mortality records for 1991-94 were anonymously and probabilistically linked to 1991 census records, thereby creati...