All vaccination data

Malawi

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Reference ID

MWI-MEIRU-VACCINATION-2002-v1

Producer(s)

Professor Amelia (Mia) Crampin

Collections

Karonga HDSS Combined / Harmonized Datasets

Metadata

Documentation in PDF DDI/XML JSON

Created on

Nov 14, 2025

Last modified

Nov 18, 2025

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Problem with BCG date (schedule issue) (D) (bcgSprob)

Data file: vacc_data_selected_BEST

Overview

Valid: 25776

Invalid: 263

Type: Discrete

Decimal: 0

Start: 53

End: 53

Width: 1

Range: 0 - 1

Format: Numeric

Description

Definition

Problem with BCG date (schedule issue)

Imputation and derivation

Derivation

variable: bcgdate (table[s]: all_vaccination_records [derived table])
variable: birth_date (table[s]: all_vaccination_records [derived table])

*for BCG: problem if vacc date is more than 3 weeks after birthdate (supposed to be at birth)
if "`vacc'"=="bcg" replace `vacc'Sprob=1 if bcgdate-birth_date>21 & bcgdate~=. & birth_date~=.

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