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. 2011 Oct 19;6(10):e25974. doi: 10.1371/journal.pone.0025974

Table 1. Participant characteristics.

Female (N = 49)
N %
Age (years)
Mean ± SD 33.8 (6.5)
Range 20–45
Ethnicity
Hispanic 26 53
Not Hispanic 23 47
Race
Black or African American 17 35
White 10 20
More than one race 22 45
Education (years)
Mean ± SD 11.0 (3.9)
Body Mass Index
Mean ± SD 30.3 (6.9)
Range 18–50
Ever pregnant
Yes 41 84