Research Article

Profound Vitamin D Deficiency in a Diverse Group of Women during Pregnancy Living in a Sun-Rich Environment at Latitude 32°N

Table 1

Sociodemographic and clinical characteristics at time of enrollment, by self-reported race/ethnicity.

Sociodemographic and clinical characteristicsTotal cohort
African-American
Hispanic
Caucasian
Other ethnicities
-value

Maternal age
(Mean   SD)
25.0   5.423.9   5.126.1   5.425.8   5.726.8   5.7 .001
Gestational age
(Mean ± SD)
18.5   8.418.0   8.019.2   9.017.7   7.819.3   8.2.49

Highest education achieved

<High school155 (28%)43 (16%)102 (48%)8 (15%)2 (8%)
High school215 (38%)100 (37%)90 (42%)18 (34%)7 (29%)
Some college138 (25%)101 (38%)15 (7%)16 (30%)6 (25%) .001
Assoc. degree or higher51 (9%)25 (9%)6 (3%)11 (21%)9 (38%)
Employment (yes)252 (45%)149 (55%)68 (32%)28 (53%)7 (29%) .001

Insurance status

None203 (36%)4 (1%)189 (89%)3 (6%)7 (29%)
Medicaid250 (45%)207 (77%)12 (6%)23 (43%)8 (33%) .001
Private106 (19%)58 (22%)12 (6%)27 (51%)9 (38%)

Subjective health rating scale

(Median, range) 9
3–10
9
3–10
9
3–10
9
7–10
10
6–10
.040

Prior obstetrical history

Preterm birth41 (7.3%)27 (10.0%)11 (5.2%)2 (3.8%)1 (4.2%).17
Preeclampsia21 (3.8%)13 (4.8%)5 (2.4%)2 (3.8%)1 (4.2%).48
Gestational diabetes15 (2.7%)9 (3.4%)3 (1.4%)2 (3.8%)1 (4.2%).30
Diabetes Mellitus (type 1 or 2)8 (1.4%)6 (2.2%)2 (0.9%)00.64
Chronic hypertension21 (3.8%)15 (15.6%)1 (1.9%)3 (1.4%)2 (8.3%).036
Planned pregnancy196 (35%)43 (16%)121 (57%)21 (40%)11 (46%)<.001
Primigravida 190 (34.1%)98 (36.4%)65 (30.7%)19 (36.5%)8 (33.3%).59
BMI 30 174 (31.1%)94 (34.9%)65 (30%)11 (21%)4 (17%).076

Season

April-May79 (14.1%)45 (16.7%)23 (10.8%)7 (13.2%)4 (16.7%)<.0001
June–September309 (55.3%)127 (47.2%)138 (64.8%)27 (50.9%)17 (70.8%)
October-November79 (14.1%)32 (11.9%)38 (17.8%)8 (15.1%)1 (4.2%)
December–March92 (16.5%)65 (24.2%)14 (6.6%)11 (20.8%)2 (8.3%)

-values refer to the comparison between the four racial/ethnic categories reported.
ANOVA; Chi-square; Subjective Health Rating Scale 0   poor to 10   excellent.