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

Documentation in PDF DDI/XML JSON

Created on

Nov 14, 2025

Last modified

Nov 15, 2025

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Certainty of illness timing (D) (certtime)

Data file: combined_tb_cases_controls_final

Overview

Valid: 2847

Invalid: 10064

Type: Discrete

Decimal: 0

Start: 169

End: 169

Width: 1

Range: 0 - 9

Format: Numeric

Questions and instructions

Literal question

Certainty of illness timing

Categories

Value	Category	Cases
0	Unsure/unlikely	243	8.5%
1	Certain	2291	80.5%
2	Probable	313	11%
8	Unknown	0	0%
9	Missing	36
Sysmiss		10028

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: illest [illness onset decade estimate] (table[s]: tb_tbxto2007, tbold_part1/2)
variable: certtime [certainty of illness timing] (table[s]: tb_tbx)

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