Table 2: Patient characteristics.

PregVit (1.1 mg folic acid) ( )PregVit-Folic5 (5 mg folic acid) ( )

Age (years) 0.40
Weight (kg)54.5 (45.5–90.9)61.8 (50.08–6.36)b0.98
Gravidityc0 (0–4)1 (0–6)0.86
Ethnicity0.29
 Caucasian1414
 Hispanic10
 South Asian31
 Oriental Asian14
Education0.78
 High school01
 College64
 University1212
 Postgraduate12
Employment0.73
 Student24
 Part time21
 Full time1414
 Homemaker10
Substance use
 Alcohol11150.29
 Cigarettes01>0.99

a value, as determined by Student’s -test, Wilcoxon-Mann-Whitney test, or Fisher’s exact test.
bData was missing for one patient (i.e., ).
cThe proportion of women who had been pregnant before was not significantly different between the two groups (9/19 versus 10/19; Fisher’s exact test, ).