Example 2: National versus sub-national analyses

The NIPN may have the objective to use data from a MICS survey to study a particular region. A National Survey like a MICS has the primary objective to produce national figures. A study(1) concluded that “anthropometric data quality was highly variable both between and within survey sources and over time”. This is confirmed by interviews of experienced practitioners(2). Typically, data from a region with difficult access for logistic or security reasons can be of lower quality. The data quality of that region may be good enough to contribute to the production of a national figure but the NIPN may want to apply more stringent data quality criteria to study that region specifically.

  1. Corsi, D. J., J. M. Perkins and S. V. Subramanian (2017). Child anthropometry data quality from Demographic and Health Surveys, Multiple Indicator Cluster Surveys, and National Nutrition Surveys in the West Central Africa region: are we comparing apples and oranges? Global Health Action 10(1): 1328185.
  2. Interviews of 5 senior nutrition data analysts conducted by the GSF early 2019.