Vitamin D Postpartum Concentrations: Relationship with Nutritional Condition and Morbidities during Pregnancy

Table 2

Comparison of conditions during gestation with vitamin D concentrations in women evaluated.

Variable		25OHD3; < 30 ng/mL; (n=167)	25OHD3; ≥ 30 ng/mL; (n=58)	p-value
Mother’s age	years	25.9 ± 6.5	24.5 ± 6.6	0.165^1
Ethnicity	Brown	132 (79.0%)	46 (79.3%)	0.564^2
Employment type	Urban	46 (27.5%)	9 (15.5%)	0.180
Schooling	< 4 years	146 (87.4%)	51 (87.9%)	0.315
Gestations	Number	2.0 ± 1.6	2.2 ± 1.8	0.362
Primiparous	Yes	82 (49.1%)	26 (44.8%)	0.648
Pregestational BMI	Obesity	22 (13.2%)	6 (10.5%)	0.817
Gestational weight gain	High	54 (32.3%)	17 (29.8%)	0.869
Tobacco use	Yes	6 (3.6%)	3 (5.3%)	0.579
Alcohol use	Yes	10 (6.0%)	1 (1.8%)	0.202
Vitamin D supplement	Yes	14 (8.4%)	4 (7.0%)	0.498
Folic acid	Yes	147 (88.0%)	51 (89.5%)	0.768
Iron	Yes	151 (90.4%)	53 (93.0%)	0.558
Sun exposure	Yes	107 (64.1%)	37 (64.9%)	0.521
Sun protection	Yes	33 (19.8%)	11 (19.3%)	0.554
Urinary infection	Yes	52 (31.1%)	20 (35.1%)	0.623
GSHD	Yes	15 (9.0%)	5 (8.8%)	0.601
GDM	Yes	1 (0.6%)	1 (1.8%)	0.445
Gestational age	Weeks	39.1 ± 1.1	39.2 ± 1.0	0.378^1

Student t’s significance level. ²Chi-square test significance level.
BMI: body mass index, GSHD: gestational-specific hypertensive disease, GDM: gestational diabetes mellitus.