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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24785

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Was your contact with this person prolonged? [wide] (D) (ccontaclong5)

Data file: combined_tb_cases_controls_final

Overview

Valid: 2

Invalid: 12909

Type: Discrete

Decimal: 0

Start: 1125

End: 1125

Width: 1

Range: 0 - 9

Format: Numeric

Questions and instructions

Literal question

Was your contact with this person indoors?

Value	Category	Cases
0	Never prolonged	0	0%
1	Prolonged (hours)	2	100%
8	Unknown	0	0%
9	Missing	0	0%
Sysmiss		12909

Imputation and derivation

Derivation

variable: contaclong (table[s]: tb_contact, tb_contactto2007, tbold_contact)

<the exposure contacts are processed separately first:>
reshape wide idcontac famcont contvil contplace trtdate trtdatex trtplace certtbcon wardvisit relship contaccon cough nurseill houseill sleepill contacind contaclong contacdays, i(ident frm_intdate) j(n)
rename * c*
rename (cident cidcontac* cfrm_intdate cnumtbcont) (ident idcontac* intdate numtbcont)
save ${tempfiles}\tbcontacts_wide, replace
<and then merged into the main file:>
merge m:1 ident intdate using ${tempfiles}\tbcontacts_wide, keep(master match) nogen

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