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Table 4 Poisson regression output to examine the possible risk factors for GDM, 2019-21, India

From: Prevalence and determinants of gestational diabetes mellitus among pregnant women in India: an analysis of National Family Health Survey Data

Variables

Coefficient

Std. Error

z

p > z

95% Confidence Interval (CI)

Age groups

 

15-19 @

      

20-24

0.133

0.307

0.43

0.67

-0.47

0.73

25-29

0.675

0.316

2.13

0.03

0.05

1.29

30-34

1.006

0.349

2.88

0.00

0.32

1.69

35-39

1.575

0.387

4.07

0.00

0.82

2.33

40-44

2.297

0.500

4.59

0.00

1.32

3.28

45-49

1.774

1.061

1.67

0.09

-0.30

3.85

Level of education

 

No education @

      

Primary

0.469

0.257

1.82

0.07

-0.04

0.97

Secondary

0.005

0.229

0.02

0.98

-0.44

0.46

Higher

-0.272

0.301

-0.90

0.37

-0.86

0.32

Religion groups

 

Hindus @

      

Muslims

0.226

0.206

1.10

0.27

-0.18

0.63

Christians

0.555

0.292

1.90

0.06

-0.02

1.13

others

-0.223

0.403

-0.55

0.58

-1.01

0.57

Caste groups

 

SCs @

      

STs

-0.476

0.278

-1.71

0.09

-1.02

0.07

others

0.510

0.267

1.91

0.06

-0.01

1.03

BMI categories

 

Underweight @

0.000

     

Normal

1.054

0.345

3.05

0.00

0.38

1.73

Overweight

1.174

0.373

3.15

0.00

0.44

1.90

Obese

1.599

0.414

3.86

0.00

0.79

2.41

Children ever born

 

No child @

      

One child

-0.109

0.175

-0.62

0.53

-0.45

0.23

Two children

-0.301

0.228

-1.32

0.19

-0.75

0.15

Three or more children

-0.673

0.278

-2.42

0.02

-1.22

-0.13

Type of residence

 

Urban @

      

Rural

0.168

0.196

0.86

0.39

-0.22

0.55

Wealth Index

 

Poorest @

      

Poorer

0.167

0.217

0.77

0.44

-0.26

0.59

Middle

0.306

0.226

1.35

0.18

-0.14

0.75

Richer

0.380

0.249

1.53

0.13

-0.11

0.87

Richest

0.117

0.305

0.38

0.70

-0.48

0.71

Thyroid disease

 

No @

      

Yes

1.295

0.253

5.13

0.00

0.80

1.79

do not know

-15.531

4756.408

0.00

1.00

-9337.92

9306.86

Heart disease

 

No @

      

Yes

2.328

0.354

6.58

0.00

1.64

3.02

do not know

-15.372

5015.501

0.00

1.00

-9845.57

9814.83

Alcohol consumption

 

No @

      

Yes

0.354

0.484

0.73

0.46

-0.59

1.30

Smoking

 

No @

      

Yes

0.330

0.278

1.19

0.24

-0.22

0.87

Constant

-6.775

0.503

-13.47

0.00

-7.76

-5.79

  1. Source: Own calculations using NFHS 5 (2019-21)
  2. Note: @ represents the reference category of a variable. N=26123. The chi-square test for the Poisson model was significant at 1% level of significance