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 measles1 date (schedule issue) (D) (meas1Sprob)

Data file: vacc_data_selected_BEST

Overview

Valid: 20208

Invalid: 5831

Type: Discrete

Decimal: 0

Start: 790

End: 790

Width: 1

Range: 0 - 1

Format: Numeric

Description

Definition

Problem with measles1 date (schedule issue)

Imputation and derivation

Derivation

variable: meas1date (table[s]: all_vaccination_records [derived table])
variable: birth_date (table[s]: all_vaccination_records [derived table])

*for MEAS1: problem if vacc date is less than 8 months, or more than 12 months after birthdate (supposed to be after 9 months)
if "`vacc'"=="meas1" replace `vacc'Sprob=1 if (meas1date-birth_date<244 | meas1date-birth_date>365) & meas1date~=. & birth_date~=.

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