Hi,

I was looking through a nutrition surveillance survey and noticed the listed prevalence doesn't match with the calculation of:

Children with GAM/ Total children

Sometimes the rate is off by 0.5%.

In the methods it states that it was PPS sampling. I would imagine clustering would affect the confidence interval but not the %. If the methods don't say that they used weighting, could it be possible that this discrepancy is due to calculations in ENA? And if so, would it be possible to know why this has occurred?

Thanks!