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Table 1 Maternal demographics and clinical characteristics with respect to CB vitamin D status

From: Prevalence and risk factors for vitamin D insufficiency and deficiency at birth and associated outcome

Parametric Vitamin D status P value
Deficiency N = 95 Insufficiency N = 79 Sufficiency N = 91
Age (years) 30.6+/−5.7
(29.4–31.8)
29.9+/−5.1
(28.8–31.1)
32.6+/−5.3
(31.5–33.8)
<0.01
Medicaid/uninsured 16.0%
(9.9–24.7)
8.8%
(4.3–16.9)
6.7%
(3.1–13.6)
0.09
Weight at birth (pounds) 175+/−41
(167–183)
172+/−34
(165–180)
174+/−39
(166–182)
0.89
Multiple gestation 1.1%
(0.002–0.06)
1.3%
(0.002–0.07)
3.3%
(0.11–0.09)
0.47
Nulliparity (%) 27.7%
(19.6–37.4)
38.8%
(28.8–49.7)
36.3%
(27.1–46.5)
0.26
First gravidity (%) 21.3%
(9.1–23.5)
26.3%
(14.7–32.8)
31.9%
(6.9–20.4)
0.56
Gravidity (number) 3.4+/−2.4
(2.9–3.9)
2.8+/−1.9
(2.3–3.2)
2.4+/−1.3
(2.1–2.6)
<0.01
Gestational age 38.9+/−1.3
(38.6–39.1)
39.2+/−1.2
(38.9–39.5)
39.0+/−1.3
(38.7–39.3)
0.15
Winter season deliveries 14.9%
(9.1–23.5)
22.5%
(14.7–32.8)
12.1%
(6.9–20.4)
0.17
Cesarean section 32.9%
(24.3–42.9)
35.0%
(25.5–45.9)
41.8%
(32.2–52.1)
0.44
Vitamins supplementation 66.0%
(60.3–78.5)
77.5%
(67.2–85.3)
67.0%
(56.9–75.8)
0.20
Iron supplementation 8.5%
(4.4–15.9)
3.8%
(1.3–10.5)
2.2%
(0.6–7.7)
0.15
Thyroid medications 9.6%
(5.1–17.2)
8.8%
(4.3–16.9)
8.8%
(4.5–16.4)
0.98
Substance abuse (smoking/alcohol/drugs) 3.2%
(1.1–8.9)
5.0%
(2.0–12.2)
6.6%
(3.1–13.6)
0.56
Morbidities during pregnancy 21.3%
(14.2–30.6)
26.3%
(17.9–36.8)
23.1%
(15.6–32.7)
0.74
Diabetes 10.6%
(5.9–18.5)
12.5%
(6.9–21.5)
7.7%
(3.8–15.1)
0.57
  1. Data presented as mean or proportion (%) with 95% confidence interval