Changing patterns of social inequalities in anaemia among women in India: cross-sectional study using nationally representative data.

Objectives: To examine the patterns of social inequalities in anaemia over time among women of reproductive age in India.

Design: Repeated cross-sectional study using nationally representative data from the 1998/1999 and 2005/2006 National Family Health Surveys of India. Multivariate modified Poisson regression models were used to assess trends and social inequalities in anaemia.