Thoughts on pooling surveys from single country [message #13590] |
Fri, 24 November 2017 09:57 |
dflood011
Messages: 7 Registered: October 2017
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Hi, I'm conducting an analysis of stunting risk factors in a single country with multiple recent DHS surveys. I'm trying to decide whether to pool surveys, which is a practice I've encountered in similar analyses. (See below for examples.) I'm not as interesting in assessing changes over time for my particular analysis.
What do the analysts/experts here think of this practice?
The advantages I see:
- large sample permits more covariates, more complex models
- ?
Disadvantages
- not an elegant cross-sectional assessment
- covariates may not be the same across years
- recalculating some metrics, such as wealth, made more difficult
- - additional complexity in survey weighting
https://www.ncbi.nlm.nih.gov/pubmed/23678197
https://www.ncbi.nlm.nih.gov/pubmed/27161654
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