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 2

Demographic characteristics of women included in the study group.

Maternal characteristics	Number (%); ()
Country of birth
Australia or New Zealand	1932 (41.9)
Arab States	111 (2.4)
West and Central Asia	138 (3.0)
Southeast Asia	922 (20.0)
East Asia	154 (3.3)
South Asia	673 (14.6)
Africa	354 (7.7)
Latin America	41 (0.9)
Oceania	83 (1.8)
Europe and North America	202 (4.4)
Age (years)^†	29.2  ±  6.1
1st quartile (≤26 years)	1360 (29.5)
2nd quartile (>26 and ≤29 years)	1009 (21.9)
3rd quartile (>29 and ≤33 years)	1186 (25.7)
4th quartile (>33 years)	1055 (22.9)
Parity
Nulliparous (parity = 0)	1998 (43.3)
Multiparous (parity 1 to 4)	2484 (53.9)
Grand multiparity (parity ≥ 5)	128 (2.8)
Body mass index (kg/m^2)
Underweight (<18.5)	198 (4.3)
Normal (≥18.5 and <25)	2066 (44.8)
Overweight (≥25 and <30)	1231 (26.7)
Obese (≥30 and <35)	556 (12.1)
Morbidly obese (≥35)	559 (12.1)

Mean and standard deviation.