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Table 2 Description of variables in the dataset on newborns at Kigali University Teaching Hospital (KUTH) during the period 01-January-2016 to 31-December-2016

From: Comparison of three classes of Marginal Risk Set Model in predicting infant mortality among newborn babies at Kigali University Teaching Hospital, Rwanda, 2016

Variable

Description

Codes/Values/Unit

Age

Age of parent

0 = under 20, 1 = 20 years old to 34 years old, 2 = 35 years old and above

Residence

Indicator of the residential area of a parent

0 = rural, 1 = urban

Antecedents

Indicator on whether a new born is the first or not

0 = Not the first new born, 1 = first newborn,

Abortion

Indicator on whether a parent aborted previously

0 = not aborted, 1 = aborted once, 2 = aborted more than once

Childbirth Gender

Type of childbirth Gender of a newborn

0 = born using ventouse, 1 = born naturally, 2 = born after surgery 0 = female, 1 = male

Number

Indicator of the number of births at a time

0 = singleton, 1 = multiple

APGAR

Score of appearance, pulse, grimaces, activity and respiration of a newborn

0 = APGAR less than 4/10, 1 = APGAR from 4/10 to 6/10, 2 = APGAR greater or equal to 7/10

Weight

Weight of a newborn

0 = under 2500 g, 1 = 2500 g to 4500 g, 2 = above 4500 g

Head

Head circumference of a newborn

0 = below 32 cm, 1 = 32 cm to 36 cm, 2 = above 36 cm

Height

Height of a new born

0 = below 46 cm, 1 = 46 cm to 54 cm, 2 = above 54 cm

Time

Time from recruitment to study termination

Days

Event

Indicator describing if death occurred during the study time or not

0 = censored, 1 = dead

n events

Indicator on the rank of records per subject

1 = first record, 2 = second record