TB cases (1974-2018) and controls (1998-2018) analytical dataset (Karonga)

Malawi

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Reference ID

MWI-MEIRU-TB-COMBINE-FINAL-2022-v01

Producer(s)

Mia Crampin, Estelle McLean

Collections

Karonga -District-wide Combined / Harmonized Datasets Karonga HDSS

Metadata

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Created on

Nov 14, 2025

Last modified

Nov 15, 2025

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if coughing onset date is an estimate (D) (coughdatex)

Data file: combined_tb_cases_controls_final

Overview

Valid: 8295

Invalid: 4616

Type: Discrete

Decimal: 0

Start: 181

End: 181

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Literal question

if coughing onset date is an estimate

Categories

Value	Category	Cases
1	Full date known	0	0%
2	Day unknown	4737	57.1%
3	Month unknown	0	0%
4	Day and month unknown	3401	41%
5		157	1.9%
8	Not known at all	0	0%
9	Missing	0
Sysmiss		4616

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Imputation and derivation

Derivation

variable: coughest [cough onset decade estimate] (table[s]: tbold_part1/2)
variable: coughmm [cough onset month] (table[s]: tb_tbx, tb_tbxto2007, tb_tbo, tb_tboto2007)
variable: coughyy [cough onset year] (table[s]: tb_tbx, tb_tbxto2007, tb_tbo, tb_tboto2007)
variable: coughyear [cough onset year] (table[s]: tbold_part1/2)

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