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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.