International Journal of Endocrinology / 2015 / Article / Tab 3

Research Article

A Retrospective Analysis of the Relationship between Ethnicity, Body Mass Index, and the Diagnosis of Gestational Diabetes in Women Attending an Australian Antenatal Clinic

Table 3

Results of univariable and multivariable logistic regression for presence or absence of gestational diabetes mellitus (GDM) in 4610 women at Sunshine Hospital, Australia.

CharacteristicsGDM Univariable analysisMultivariable analysis
GDM ()No GDM ()Odds ratio (95% CI) valueOdds ratio (95% CI) value

Country of birth
 Australia or New Zealand17517571.001.00
 Arab States12991.21 (0.65, 2.24)0.551.33 (0.71, 2.50)0.37
 West and Central Asia221161.89 (1.17, 3.06)0.012.47 (1.50, 4.05)<0.001
 Southeast Asia1617612.11 (1.68, 2.66)<0.0013.03 (2.34, 3.93)<0.001
 East Asia371173.16 (2.11, 4.71)<0.0014.77 (3.12, 7.31)<0.001
 South Asia1365372.59 (2.03, 3.30)<0.0013.38 (2.60, 4.40)<0.001
 Africa343201.12 (0.77, 1.63)0.561.24 (0.83, 1.84)0.29
 Latin America4370.73 (0.42, 1.29)0.280.90 (0.51, 1.60)0.72
 Oceania11721.06 (0.37, 3.00)0.910.94 (0.33, 2.70)0.91
 Europe and North America 141881.52 (0.79, 2.91)0.211.12 (0.57, 2.19)0.74
Age (per year)
 25th centile (<26 years)14412161.001.00
 50th centile (≥26 and <29 years)1218881.15 (0.89, 1.49)0.281.02 (0.78, 1.33)0.88
 75th centile (≥29 and <33 years)14610401.19 (0.93, 1.51)0.171.05 (0.82, 1.35)0.71
 ≥75th centile (≥33 years)1958601.91 (1.52, 2.42)<0.0011.70 (1.34, 2.17)<0.001
Body mass index (kg/m2)
 Underweight (<18.5)221760.92 (0.64, 1.32)0.640.96 (0.60, 1.54)0.87
 Normal (≥18.5 and <25)22118451.001.00
 Overweight (≥25 and <30)18410471.47 (1.20, 1.81)<0.0011.72 (1.38, 2.14)<0.001
 Obese (≥30 and <35)844721.50 (1.15, 1.95)0.0032.14 (1.60, 2.86)<0.001
 Morbidly obese (≥35) 954641.70 (1.32, 2.20)<0.0013.16 (2.34, 4.27)<0.001
Parity
 Nulliparous (parity = 0)25917391.001.00
 Multiparous (parity 1 to 4)32121631.01 (0.85, 1.19)0.961.00 (0.83, 1.19)0.98
 Grand multiparity (parity ≥5)261021.73 (1.12, 2.66)0.011.80 (1.13, 2.86)0.01
Total6064004

The multivariable analyses are adjusted for the other remaining maternal characteristics listed in the table. Nagelkerke .
95% CI: 95% confidence interval.