AIM Adolescents in Vietnam have a low level of sexual activity, but this may increase with urbanisation and economic development. The aim of this analysis is to understand trends in correlates of permissive attitudes towards premarital sex among Vietnamese adolescents using an ecological framework. METHODS Data from the Survey Assessment of Vietnamese Youth from 2003 (n = 7584) and 2009 (n = ...

In many developing countries, limiting factors for development of sustainable production systems include variability in agro-ecological and socio-economic conditions, poor access to geo-referenced data and information, and poor relationship between the civil society, researchers and decision makers. Working with Interactive Development Scenarios (IDS) models may provide a way to plan (agricultu...

Developing countries often have rich natural resources but poor infrastructure to capitalize on them, which leads to significant challenges in terms of balancing poverty alleviation with conservation. The underlying premise in development strategies is to increase the socio-economic welfare of the people while simultaneously ensuring environmental sustainability, however these objectives are of...

BACKGROUND Identification of non-modifiable correlates of physical activity and sedentary behaviour in youth contributes to the development of effective targeted intervention strategies. The purpose of this research was to examine the relationships between family circumstances (e.g. socio-economic status, single vs. dual parent household, presence/absence of siblings) and leisure-time physical ...

Abstract Land salinization is a major obstacle to the sustainable development of agriculture in arid regions. The demand for food, fiber, fuel and fresh water has increased in the recent decades, particularly in developing nations, due to alarming rise in population. As fresh water resources and productive lands for crop production are limited, new strategies for the sustainable utilization of ...