BCG Immunology Study: Protective immunity following neonatal BCG vaccination

Malawi, 2007 - 2010

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Reference ID

MWI-MEIRU-BIS-2007-v1

Producer(s)

Dr Kate Watkins, Immunologist,

Collections

Karonga HDSS

Metadata

Documentation in PDF DDI/XML JSON

Created on

Nov 14, 2025

Last modified

Nov 18, 2025

Page views

42595

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119

Age difference (prodagediff1)

Data file: bis_mother

Overview

Valid: 44

Invalid: 268

Type: Discrete

Decimal: 0

Start: 91

End: 91

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Question pretext

Father of this pregnancy

Literal question

What is the age of the man who fathered this pregnancy? : age difference

Categories

Value	Category	Cases
1	Same age	0	0%
2	Older	43	97.7%
3	Younger	1	2.3%
8	Unknown	0	0%
9	Missing	0
Sysmiss		268

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.

Question post text

(record in one of the following ways, according to what the woman says)

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