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

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Created on

Nov 14, 2025

Last modified

Nov 15, 2025

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Whether date stopped living in previous village 1 is an estimate (D) (pretodate1x)

Data file: combined_tb_cases_controls_final

Overview

Valid: 3254

Invalid: 9657

Type: Discrete

Decimal: 0

Start: 654

End: 654

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Literal question

Whether date stopped living in previous village 1 is an estimate

Categories

Value	Category	Cases
1	Full date known	0	0%
2	Day unknown	2137	65.7%
3	Month unknown	0	0%
4	Day and month unknown	1117	34.3%
8	Not known at all	0	0%
9	Missing	0
Sysmiss		9657

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: pretomm1 [month of previous village stop] (table[s]: tb_tbx, tb_tbxto2007, tbold_part1/2, tb_tbo, tb_tboto2007, tbold_control)
variable: pretoyear1 [year of previous village stop] (table[s]: tb_tbx, tb_tbxto2007, tbold_part1/2, tb_tbo, tb_tboto2007, tbold_control)

gen pretodate1x=2 if pretoyear1~=.
replace pretodate1x=4 if pretomm1==. & pretoyear1~=.
la val pretodate1x datex

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