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Table 5 Multivariate logistic regression model for risk factors associated with PIH and PE

From: Serum calcium and magnesium levels in women presenting with pre-eclampsia and pregnancy-induced hypertension: a case–control study in the Cape Coast metropolis, Ghana

Variable

PIH

PE

OR (95% CI)

p -value

OR (95% CI)

p -value

Age group

    

< 25*

1

 

1

 

25-29

0.82 (0.22-2.98)

0.757

0.53 (0.13-2.27)

0.395

30-34

0.44 (0.09-2.09)

0.305

0.27 (0.04-1.73)

0.165

35-39

4.00 (0.59-27.25)

0.157

4.8 (0.68-33.80)

0.115

- 40

2.14 (0.35-13.27)

0.000

5.14 (0.47-14.87)

0.278

Gravidity

    

Primigravida*

1

 

1

 

Secundigravida

1.91 (0.63-5.73)

0.252

0.48 (0.11-2.08)

0.324

Multigravida

0.52 (0.14-1.97)

0.335

1.04 (0.33-3.24)

0.948

Parity

    

Nulliparous*

1

 

1

 

Primiparous

1.17 (0.39-3.50)

0.786

0.59 (0.16-2.22)

0.433

Multiparous

0.65 (0.17-2.51)

0.529

1.10 (0.32-3.82)

0.881

BMI

    

Normal*

1

 

1

 

Overweight

0.62 (0.19-2.02)

0.427

1.49 (0.43-5.12)

0.527

Obese

0.93 (0.29-3.01)

0.905

0.85 (0.21-3.39)

0.813

Contraceptive use

    

No*

1

 

1

 

Yes

0.49 (0.18-1.37)

0.174

0.64 (0.22-1.82)

0.399

Abortion

    

No*

1

 

1

 

Yes

0.33 (0.08-1.34)

0.122

0.41 (0.10-1.66)

0.212

New paternity

    

No*

1

 

1

 

Yes

0.60 (0.18-1.99)

0.403

1.69 (0.57-5.00)

0.345

Malaria

    

No*

1

 

1

 

Yes

2.92 (0.50-17.15)

0.235

0.00

-

  1. BMI = Body Mass Index, PIH: Pregnancy-induced hypertension; PE: Pre-eclampsia. *Reference. Data in boldface indicate statistical significance.