All Bioimpedance and Hand-grip Data (Karonga and Lilongwe combined data)

Malawi, 2016 - 2019

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Reference ID

MWI-MEIRU-bioimp-handgrip-combined-v01

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Combined / Harmonized Datasets Karonga HDSS Lilongwe HDSS

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Created on

Nov 14, 2025

Last modified

Nov 18, 2025

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Fat-free mass in KG (machine value) (D) (ffmass_M)

Data file: bioimp_handgrip_combined

Overview

Valid: 2294

Invalid: 1133

Type: Continuous

Decimal: 0

Start: 200

End: 215

Width: 16

Range: 11.8000001907349 - 80.3000030517578

Format: Numeric

Description

Definition

Fat-free mass in KG (machine value)

Imputation and derivation

Derivation

variable: bioffmassf (table[s]: arkk_arkq, arkl_arkq)
variable: bioffmasss (table[s]: arkk_arkq, arkl_arkq)
variable: bioffreef (table[s]: kduk_kduq, kdul_kduq)
variable: bioffrees (table[s]: kduk_kduq, kdul_kduq)
variable: weight (table[s]: this dataset)
variable: fatmass_M (table[s]: this dataset)
variable: lean_kg_bs (table[s]: NUTdata_KAR, NUTdata_LLW)
variable: lean_kg_bs_2 (table[s]: NUTdata_KAR, NUTdata_LLW)
variable: dropped_M (table[s]: this dataset)

<ARK data:>
egen ffmass_M=rowmean(bioffmassf bioffmasss)
<KDU data:>
egen ffmass_M=rowmean(bioffreef bioffrees)
<PHD data:>
gen ffmass_M=weight-fatmass_M
<NUT data:>
egen ffmass_M=rowmean(lean_kg_bs lean_kg_bs_2)
<remove inconsistent data from combined data:>
foreach var in fatmass_M fatmasspc_M ffmass_M ffmasspc_M {
replace `var'=. if dropped_M==1
}

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