OBJECTIVE This study examined trends in premarital sex, multiple partnership and condom use among young people (15-24 years) in Zambia from 2000 to 2009, and assessed the effects of individual and neighbourhood variables on these sexual behaviour indicators in 2000 and 2009. METHODOLOGY We analysed data from the Zambia Sexual Behaviour Survey, conducted in 2000, 2003, 2005 and 2009. Multi-sta...

To identify the prevalence and risk indicators of periodontal disease in high-school students in Tehran, Islamic Republic of Iran, the periodontal condition of 867 students aged 15-19 years was assessed using the community periodontal index of treatment needs (CPITN). The results showed that 88.7% of these students had less than perfect periodontal health. Multiple regression analysis revealed ...

High levels of social trust and social support are associated with life satisfaction around the world. However, it is not known whether this association extends to other indicators of social capital and of subjective well-being globally. We examine associations between three measures of social capital and three indicators of subjective well-being in 142 low-, middle- and high-income countries. ...

C orporal punishment is increasingly regarded as an act of violence against children. Corporal punishment includes any use of physical punishment against a child in response to misbehaviour. This most commonly includes spanking, smacking and slapping, but also includes the use of an object such as a rod or stick, hair pulling and ear twisting. A growing body of research has focused on disciplin...

identification and analysis of farmers’ vulnerability associated with their risk aversion degree is one of the necessary requirements for planning and reducing impacts of drought in iran. so, this study was investigated three risk vulnerability parameters (economic, social and technical) among wheat farmers categorized in accordance with their risk aversion degree in the mashhad county (iran) b...

objective:  the aim of the research was investigating and visualizing the intellectual structure of thermodynamics subject area based on outputs of iranian scholars of the field indexed in thomson reuters web of science during time span of 1990-2009.   method: the population of the research was all references of the mentioned publications. the sample was the top 1 percent cited scholars of the ...