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Table 1 Socio-demographic and clinical data of the study population

From: Impact of vitamin D deficiency on maternal and birth outcomes in the Saudi population: a cross-sectional study

Age (years; mean ± SD [range])

29.03 ± 5.7 [17–47]

Age distributiona

 Less than 25 years

321 (32.2)

 25–35 years

513 (51.4)

 More than 35

164 (16.4)

Nationality

 Saudi

899 (89.9)

 Non Saudi

101 (10.1)

Educationa

 High school

668 (70.4)

 University or higher

281 (29.6)

Working statusa

 Housewife

851 (85.3)

 Employee

147 (14.7)

Reproductive history

 Parity

 

  Primiparous

12 (31.6)

  Multiparous

26 (68.4)

 Positive history of multiple pregnancies

56 (5.6)

 Positive history of miscarriage

245 (24.5)

Status of current pregnancy

 Smoking during pregnancya

20 (0.2)

 Gestational age till delivery (Weeks; mean ± SD [range])

38.7 ± 1.9 [23–42]

 Pregnancy BMI (Kg/m2; mean ± SD [range])

30.9 ± 6.7 [14.5–55.8]

 Gestational diabetes

111 (11.1)

 Pre-Gestational diabetes

19 (1.9)

 Pre-existing hypertension

4 (0.4)

 Gestational hypertension

14 (1.4)

 Preeclampsia

9 (0.9)

 Intrauterine growth restriction

15 (1.5)

Delivery and neonatal outcomes

 Preterm labour

80 (8.0)

 Induction of labour

128 (12.8)

 Mode of delivery

 

  Spontaneous

768 (76.8)

  Instrumental delivery

61 (6.1)

  Caesarian Section

171 (17.1)

 Baby’s weight (Kg; mean ± SD [range])

3.1 ± 0.5 [1.06–5.3]

 Baby’s length (cm; mean ± SD [range])

49.5 ± 2.7 [34–62]

 Baby’s head circumference (cm; mean ± SD [range])

34.1 ± 1.9 [26–52]

 APGAR score

8.6 ± 0.63 [7–9]

 Neonatal admission to ICU

29 (2.9)

Vitamin D level (nmol/L; mean ± SD [range])

30.46 ± 19.6 [7.1–150]

  1. aTotal number is below one thousand due to incomplete questionnaires; data are expressed in number (percentage) unless specified; SD Standard deviation