Index of health development: conceptualization and reflections on its need.

This article aimed to review the concept of social indices by focusing on their practical use and need in the health setting. For this purpose, the initial consideration was how these indices are defined, their possible use, and the importance they have as a means of depicting the real world. Thus, a wide concept of health, consistent with the current view, was adopted.

Factorial validity and reliability of the General Health Questionnaire (GHQ-12) in the Brazilian physician population.

The 12-item General Health Questionnaire (GHQ-12) is a widely used screening instrument. One- and two-factor structures have been identified in some countries. In Brazil, the best factor structure is still unclear.