Table 1.
Baseline Characteristics, 2001–2005 Birth Data
| Comparison States | Massachusetts | |||
|---|---|---|---|---|
| % | SE | % | SE | |
| Male | 51.37 | 0.10 | 51.15 | 0.08 |
| Live birth order | ||||
| 1st | 43.52 | 0.10 | 44.79a | 0.08 |
| 2nd–3rd | 48.75 | 0.11 | 48.42a | 0.08 |
| 4th or later | 7.74 | 0.06 | 6.79a | 0.04 |
| Maternal age | ||||
| Less than 21 | 10.41 | 0.06 | 7.87a | 0.04 |
| 21–34 | 72.96 | 0.09 | 69.55a | 0.08 |
| 35+ | 16.63 | 0.08 | 22.58a | 0.07 |
| Maternal race/ethnicity | ||||
| White, non‐Hispanic | 82.19 | 0.08 | 71.37a | 0.07 |
| Black, non‐Hispanic | 3.09 | 0.04 | 8.41a | 0.05 |
| Other, non‐Hispanic | 8.07 | 0.06 | 7.68a | 0.04 |
| Hispanic | 6.66 | 0.05 | 12.54a | 0.05 |
| Maternal marital status | ||||
| Unmarried | 31.99 | 0.10 | 28.56a | 0.07 |
| County economic characteristics | ||||
| Poverty rate | 9.57 | 0.01 | 9.50a | 0.01 |
| Unemployment rate | 4.46 | 0.00 | 5.01a | 0.00 |
a
Indicates a significant difference from the comparison states, p < .05.
Source: 2001–2005 Natality Detail File and Area Health Care Resources File.