Related projects include:
- The Human Development Profile of India, HDPI, an NCAER survey of rural India conducted in 1994. Part of the IHDS sample and some of the survey questions are based on this earlier study.
- The Health, Enviornment and Economic Development Pilot Study, HEED, investigated indoor air pollution and water purity in 600 households in four Indian states in 2004. The IHDS household questionnaire was administered in each of these households. Measurements of indoor air pollution (particulates, carbon monoxide), water purity, and lung functioning were taken in each household.