BACKGROUND Low educational level is associated with an increased risk of coronary heart disease. The aim of the present study was to examine the relationships between education and common cardiovascular risk factors in young adults. METHODS Trends in conventional risk factors of young adults aged 21, 24, 27 and 30 years in 1992 (n = 443) were examined across the educational groups as part of ...

Objective: The purpose of this study was to identify affecting factors on students’ environmental protection behavior (SIPB). Methods: Statistical population of this research consisted of 1480 students in Alborz agricultural technical higher education centers. A stratified random sampling method was used to select 145 student applying Cochran's formula. The main tool to collect data was a resea...

The quantitative relationship between higher education and economic growth in the tradition of “growth accounting equations” and also “neoclassical production function” approach have occupied a pride of place in economics of education, particularly the literature on more developed countries. However, production function type models that allow for isolating the “indirect” (external) effects of h...

Objective: The purpose of this study was to identify affecting factors on students’ environmental protection behavior (SIPB). Methods: Statistical population of this research consisted of 1480 students in Alborz agricultural technical higher education centers. A stratified random sampling method was used to select 145 student applying Cochran's formula. The main tool to collect data was a resea...

study was to identify factors, components and barriers to tourism development in the city as a tourist with the approach and methods of survey. the population of the study, all domestic and foreign tourists three months of the year 88 125 512 and 105 112 people respectively are included. according to cochran formula, 118 and 119 of the iranian tourists and foreign tourists as the sample size an...