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Table 5 Risk factors that were identified using feature importance analysis

From: Predicting perinatal mortality based on maternal health status and health insurance service using homogeneous ensemble machine learning methods

No

Feature code

Feature description

Feature importance value

1

Bord

Birth interval

0.291119

2

V024

Region

0.122834

3

V013

Maternal age

0.077887

4

V190

Wealth index

0.072292

5

V717

Maternal occupation

0.055206

6

V457

Anemia level

0.054080

7

V394

Visited health facility last 12 week

0.038728

8

V501

Marital status

0.030207

9

V312

Current contraceptive

0.026625

10

V161

Types of cooking fuel

0.026059

11

V106

Educational level

0.021210

12

V228

Preterm

0.019435

13

V455

Hemoglobin level

0.016383

14

V025

Place of residence

0.009877

15

V481a

Community/mutual health insurance

0.007053

16

V463a

Smoke cigarettes

0.006037

17

V463c

Chews tobacco

0.002598