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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 2nd vitamin A date (schedule issue) (D) (vita2Sprob)

Data file: vacc_data_selected_BEST

Overview

Valid: 26039

Invalid: 0

Type: Discrete

Decimal: 0

Start: 919

End: 919

Width: 1

Range: 0 - 1

Format: Numeric

Description

Definition

Problem with 2nd vitamin A date (schedule issue)

Imputation and derivation

Derivation

variable: vita2date (table[s]: all_vaccination_records [derived table])
variable: birth_date (table[s]: all_vaccination_records [derived table])

*for VITA2: problem if vacc date is before 1st dose, or less than 11 months, or more than 18 months after birthdate (supposed to be at 12-17 months)
if "`vacc'"=="vita2" replace `vacc'Sprob=1 if (vita2date<vita1date | vita2date-birth_date<336 | vita2date-birth_date>549) & vita2date~=. & birth_date~=.

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