NCD Combined analytical dataset

Malawi, 2013 - 2016

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Reference ID

MWI-MEIRU-NCD-2013-v1.0

Producer(s)

Prof Moffat Nyirenda, Prof Shabbar Jaffar

Collections

Combined / Harmonized Datasets Karonga HDSS Lilongwe HDSS

Metadata

Documentation in PDF DDI/XML JSON

Created on

Nov 14, 2025

Last modified

Nov 19, 2025

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5262

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Mid-upper arm circumference (average) (D) (muac)

Data file: ncd_combined_data_all

Overview

Valid: 30575

Invalid: 0

Type: Continuous

Decimal: 0

Start: 245

End: 260

Width: 16

Range: 14.3999996185303 - 99

Format: Numeric

Imputation and derivation

Derivation

variable: midacif [first muac result] (table[s]: ncdk_persexam & ncdl_persexam)
variable: midacis [second muac result] (table[s]: ncdk_persexam & ncdl_persexam)
Missing values removed and an average of the 2 (midacif, midacis) measurements calculated; if only one measurement was taken that is used.
replace midacif=. if midacif==999
replace midacis=. if midacis==999
replace midacif=midacis if midacif==.
replace midacis=midacif if midacis==.
gen muac=(midacif+midacis)/2

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