Table 1.
Descriptive Statistics for key variables in the full sample and by ethnicity.
| Full Sample | Latina | Non-LatinaWhite | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (N = 337) | (N = 107) | (N = 230) | |||||||||
| Variable | n | M | SD | n | M | SD | n | M | SD | F orχ2 | p |
| Age at Study Entry | 333 | 30.01 | 5.44 | 105 | 27.80 | 5.68 | 228 | 31.03 | 5.01 | 25.22 | <.001 |
| Adjusted Income | 332 | 25.80 | 16.75 | 105 | 14.69 | 12.26 | 227 | 30.97 | 16.05 | 104.08 | <.001 |
| Medical Risk | 329 | 2.45 | 1.63 | 103 | 2.65 | 1.79 | 226 | 2.36 | 1.54 | 1.97 | .081 |
| Parity (% multiparous) | 337 | 57% | 107 | 39% | 230 | 65% | 19.04 | <.001 | |||
| Education | 337 | 107 | 230 | 67.65 | <.001 | ||||||
| High School or less | 16% | 32% | 9% | ||||||||
| Some college | 37% | 53% | 30% | ||||||||
| Bachelor’s degree | 27% | 11% | 34% | ||||||||
| Graduate degree | 19% | 4% | 27% | ||||||||
| Married or cohabitating (% yes) | 337 | 75% | 107 | 59% | 230 | 83% | 20.73 | <.001 | |||
Note. Adjusted household income was calculated as total annual household income divided by household size, in units of thousands of dollars. Estimates and results for maternal age at study entry, adjusted income, medical risk, and length of gestation are based on multiple