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Table 1 Demographic characteristics of the study cohort

From: Maternal plasma vitamin D levels across pregnancy are not associated with neonatal birthweight: findings from an Australian cohort study of low-risk pregnant women

Characteristics

Mean ± SD or n (%)

Maternal age (years)

31.5 ± 3.9

Gestation at delivery (n = 220)

39.2 ± 1.6

Parity (n = 211)

 1

98 (46.4%)

 2

88 (41.7%)

 3

25 (11.8%)

Education (n = 179)

 Tertiary

138 (77.1%)

 Sub-tertiary

41 (22.9%)

Region of birth

 Australia / New Zealand

124 (56.1%)

 Asia/ South Asia

65 (29.4%)

 Europe / UK / Canada

19 (8.6%)

 Middle East / Africa / South America

13 (5.9%)

Smoking

 Non-smoker

213 (96.4%)

 Current smoker

8 (3.6%)

 Early pregnancy BMI (kg/m2)

25.2 ± 4.7

 Late pregnancy BMI (kg/m2) (n = 220)

29.2 ± 4.8

 GWG (kg) (n = 220)

11.0 ± 4.6

 Diagnosed with GDM (n = 208)

20 (9.6%)

Sex of baby

 Male

114 (51.6%)

 Female

107 (48.4%)

 Birth weight (g)

3401.7 ± 540.7

 Birth length (cm) (n = 216)

50.0 ± 2.5

 Macrosomia

28 (12.7%)

 LGA

27 (12.2%)

 Low birth weight

8 (3.6%)

 SGA

16 (7.2%)

  1. n = 221 unless otherwise specified; BMI (body mass index); GWG (gestational weight gain); GDM (gestational diabetes mellitus); LGA (large for gestational age); SGA (small for gestational age)