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 3 is an estimate (D) (pretodate3x)

Data file: combined_tb_cases_controls_final

Overview

Valid: 127

Invalid: 12784

Type: Discrete

Decimal: 0

Start: 710

End: 710

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Literal question

Whether date stopped living in previous village 3 is an estimate

Categories

Value	Category	Cases
1	Full date known	0	0%
2	Day unknown	90	70.9%
3	Month unknown	0	0%
4	Day and month unknown	37	29.1%
8	Not known at all	0	0%
9	Missing	0
Sysmiss		12784

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: pretomm3 [month of previous village stop] (table[s]: tb_tbxto2007, tbold_part1/2, tb_tboto2007, tbold_control)
variable: pretoyear3 [year of previous village stop] (table[s]: tb_tbxto2007, tbold_part1/2, tb_tboto2007, tbold_control)

gen pretodate3x=2 if pretoyear3~=.
replace pretodate3x=4 if pretomm3==. & pretoyear3~=.
la val pretodate3x datex

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