In the developed world the importance of evidence-based policy is increasingly recognised. Panel studies – a long-term study design where a cross-sectional sample of units is selected and surveyed at regular intervals – are being used to gather information about the same people or...

Accompanying the call for increased evidence-based policy the developed world is implementing more longitudinal panel studies which periodically gather information about the same people over a number of years. Panel studies distinguish between transitory and persistent states (e.g. poverty,...

In 2005, in recognition of the role of social factors in increasing health inequities, the World Health Organisation established the Commission on the Social Determinants of Health. South Africa is among the most unequal societies in the world. It faces serious public health challenges,...

Social capital is broadly defined as the value of social relationships. A substantial amount of work has been conducted into the role of social capital, but little of it has focused on Latin America and Peru in particular. Standard tools are often used to measure social capital in different...

Many developing countries are trying to improve the routine collection of health information by strengthening surveys, censuses, and registration systems. At the international level, too, efforts are underway to provide information on health and health interventions, including statistical...