Table 3.
Mother’s characteristics and their association with interpregnancy interval among Coloradan adolescent women with a last live birth between 2004 and 2013
| Variable | Adjusted odds ratio of having an IPI < 18 mo | Confidence interval |
|---|---|---|
| Hispanic ethnicity | 1.5* | 1.4–1.6 |
| Age 17–19 y | 1.3* | 1.1–1.5 |
| White race | 1.0 | .9–1.1 |
| Year of last live birth in or after 2009 (CFPI) | .9* | .8–.9 |
| Medicaid insurance | .7* | .6–.7 |
CFPI = Colorado Family Planning Initiative.
p < .05.