Home / Central Data Catalog / MWI-MEIRU-TB-COMBINE-FINAL-2022-V01 / variable [F1]
central

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

Malawi
Get Microdata
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
Page views
24586
Downloads
151

Whether date started living in previous village 1 is an estimate (D) (prefrdate2x)

Data file: combined_tb_cases_controls_final

Overview

Valid: 518
Invalid: 12393
Type: Discrete
Decimal: 0
Start: 671
End: 671
Width: 1
Range: 1 - 9
Format: Numeric

Questions and instructions

Literal question
Whether date started living in previous village 1 is an estimate
Categories
Value Category Cases
1 Full date known 0
0%
2 Day unknown 240
46.3%
3 Month unknown 0
0%
4 Day and month unknown 277
53.5%
5 1
0.2%
8 Not known at all 0
0%
9 Missing 0
Sysmiss 12393
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: prefrest2 [decade estimate of previous village start] table[s]: tb_tbx, tb_tbxto2007, tbold_part1/2, tb_tbo, tb_tboto2007, tbold_control)
variable: prefrmm2 [month of previous village start] (table[s]: tb_tbx, tb_tbxto2007, tbold_part1/2, tb_tbo, tb_tboto2007, tbold_control)
variable: prefryear2 [year of previous village start] (table[s]: tb_tbx, tb_tbxto2007, tbold_part1/2, tb_tbo, tb_tboto2007, tbold_control)

gen prefrdate2x=2 if prefryear2~=.
replace prefrdate2x=4 if prefrmm2==. & prefryear2~=.
replace prefrdate2x=5 if prefrest2~=. & prefryear2~=.
la val prefrdate2x datex
Back to Catalog