Table 2 Cohort demographic characteristics
Demographic characteristics | Mean | SD | Median | Interquartile range |
|---|---|---|---|---|
Age (years) | 28.3 | 5.1 | 28 | 24-32 |
Gestational age @baseline study visit (weeks) | 32.5 | 1.8 | 32.6 | 31.4-33.7 |
| Â | N | %* | ||
Prepregnancy BMI (kg/m 2 ) (n = 110) |  |  | ||
   Underweight | 1 | 0.9 | ||
   Normal | 52 | 47.3 | ||
   Overweight | 32 | 29.1 | ||
   Obese | 25 | 22.7 | ||
Race (n = 93) |  |  | ||
   White | 63 | 67.7 | ||
   Black/African American | 7 | 7.5 | ||
   Asian | 5 | 5.4 | ||
   Hawaiian/Pacific Islander | 1 | 1.1 | ||
   Other | 11 | 11.8 | ||
   Multiracial | 6 | 6.5 | ||
Ethnicity (n = 99) |  |  | ||
   Not Hispanic, Latino or Spanish | 71 | 71.7 | ||
   Hispanic, Latino or Spanish origin | 28 | 28.3 | ||
Non-U.S. born (n = 99) | 24 | 24.2 | ||
Non-English primary home language (n = 98) | 16 | 15.5 | ||
Multigravida (n = 108) | 75 | 69.4 | ||
Relationship | Â | Â | ||
   In relationship with father of baby (n = 98) | 92 | 93.9 | ||
   Married (n = 99) | 60 | 60.6 | ||
Education (n = 99) |  |  | ||
   ≤8th grade | 2 | 2.0 | ||
   >8th grade, < high school | 3 | 3.0 | ||
   High school graduate or GED | 20 | 20.2 | ||
   Trade or technical school after HS | 5 | 5.1 | ||
   Some college | 25 | 25.3 | ||
   4 year college degree | 23 | 23.2 | ||
   Other | 21 | 21.2 | ||
Employment (n = 100) |  |  | ||
   Working full or part-time outside home | 65 | 65.5 | ||
   Homemaker | 15 | 15.0 | ||
Household ability to make ends meet (n = 100) |  |  | ||
   Great difficulty | 12 | 12.0 | ||
   Some difficulty | 36 | 36.0 | ||
   No difficulty | 52 | 52.0 | ||
Location of care (n = 109) |  |  | ||
   Resident practice | 34 | 31.2 | ||
   Faculty practice | 75 | 68.9 | ||