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Table 4 Factors associated with GDM: Multivariate Logistic regression analysis

From: Maternal and neonatal outcomes in mothers with diabetes mellitus in Qatari population

Variables

GDM

n/N (%)

Adjusted

Odds ratio (OR)

95% CI for OR

P-value

Mother’s Age (years)

<30

463/2658 (17.4%)

1.0 (reference)

  

≥30

797/2385 (33.4%)

2.21

1.93, 2.52

<0.0001

Body Mass Index (BMI)

Normal weight (19-24.99)

71/437 (16.2%)

1.0 (reference)

  

Overweight (25-29.99)

278/1463 (19%)

1.11

0.83, 1.48

0.493

Obese (≥30)

910/3125 (29.1%)

1.71

1.30, 2.23

<0.0001

Type of Delivery

Vaginal Delivery

751/3166 (23.7%)

1.0 (reference)

  

Cesarean Section

447/1563 (28.6%)

1.25

1.09, 1.44

0.002

Instrumental Delivery

62/314 (19.7%)

0.82

0.61, 1.20

0.176

Bodyweight to Gestational Age

AGA

1061/4141 (25.6%)

1.0(reference)

  

SGA

127/744 (17.1%)

0.70

0.57, 0.87

0.001

LGA

72/146 (49.3%)

2.30

1.64, 3.24

<0.0001

  1. CI Confidence interval, OR Odds ratio, Outcome variable: non-GDM was considered as the reference group
  2. LGA Large for gestational age, AGA appropriate for gestational age, SGA small for gestational age
  3. ‘n’ is the total number of GDM cases whereas ‘N’ is the total number of participants included against each specific variable/parameter