Table 2.
Prevalence of preterm births by selected characteristics.
| Independent Variables | Preterm % N (%) Weighed N | Chi-Square Statistic | p-value | |
|---|---|---|---|---|
| Maternal education | ||||
| Less than high school | 192 (9.7) | 4700 | ||
| High school graduate | 199 (8.9) | 4349 | ||
| Some college | 505 (8.8) | 9674 | 38.9 | <0.01 |
|
Mother’s race/ethnic group |
||||
| White | 176 (6.9) | 2629 | ||
| Hispanic | 347 (9.4) | 12,133 | ||
| Black | 209 (12.7) | 1986 | ||
| Asian/Pacific Islander | 157 (8.1) | 2184 | ||
| Native American/other/unknown | 61 (9.3) | 292 | 509.5 | <0.01 |
|
Mother’s age |
||||
| <20 years old | 195 (11.4) | 1788 | ||
| 20–29 years old | 292 (8.2) | 7450 | ||
| 30+ years old | 463 (9.4) | 9986 | 189.9 | <0.01 |
|
Marital status |
||||
| Married | 434 (8.0) | 9621 | ||
| Not married | 500 (10.2) | 9210 | 445.9 | <0.01 |
|
Pre-pregnancy insurance status |
||||
| No insurance | 233 (9.3) | 6686 | ||
| Had insurance | 717 (8.9) | 12,538 | 86.3 | <0.01 |
|
Smoking during pregnancy |
||||
| No | 882 (8.9) | 18,315 | ||
| Yes | 46 (10.2) | 466 | 55.5 | <0.01 |
|
Passive smoking during pregnancy |
||||
| No | 839 (9.0) | 17,359 | ||
| Yes | 111 (9.0) | 1864 | 0.0 | 0.93 |
|
Substance abuse during pregnancy |
||||
| No | 908 (8.9) | 18,237 | ||
| Yes | 26, 16.0 | 564 | 226.3 | <0.01 |
|
Pre-pregnancy conditions during pregnancy |
||||
| No | 629 (8.6) | 13,458 | ||
| Yes | 321 (10.1) | 5765 | 110.7 | <0.01 |
|
Mothers’ perception of neighborhood quality |
||||
| Good quality | 715 (8.8) | 14,717 | ||
| Poor quality | 211 (10.4) | 3465 | 242.3 | <0.01 |
|
Maternal resilience |
||||
| High maternal resilience | 837 (8.7) | 16,397 | ||
| Low maternal resilience | 86 (10.3) | 1764 | 612.4 | <0.01 |