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Table 1 Baseline characteristics of the study population

From: The relationship between vitamin D and insulin resistance before delivery in advanced maternal age

CharacteristicsVitamin D deficiency (n = 40)Vitamin D Non-deficiency (n = 40)P-value
Age (years)36(35–38)36(35–39)0.856
Education (years)
−12
12–16
16-
14(12–16)
11(27.5)
25(62.5)
4(10)
16(14–16)
6(15)
30(75)
4(10)
0.080
pre-pregnancy body mass index (kg/m2)23.18 ± 2.5622.96 ± 2.500.689
Age at menarche (years)14(13–14)14(13–14)0.758
Parity (numbers)
> 2
3(2–4)
22(55)
3(2–4)
22(55)
0.782
Abortion (numbers)1(1–2)1(0–2)0.491
  1. Data are presented as n (%), mean ± SD or median (interquartile range) as appropriate