Table III. Risk factors for nonuse of postpartum care: findings from multivariate analysis* (n = 8992).
| Maternal characteristics | Adjusted odds ratio (95% CI) |
|---|---|
| Maternal age (cf, 35+ y) | |
| <20 y | 1.05 (0.69-1.60) |
| 20-24 y | 1.06 (0.73-1.53) |
| 25-29 y | 1.15 (0.81-1.63) |
| 30-34 y | 0.95 (0.66-1.38) |
| Multiparous (cf, primiparous) | 1.00 (0.84-1.20) |
| Unmarried (cf, married) | 0.93 (0.73-1.18) |
| Race/ethnicity (cf, non-Hispanic white) | |
| African American | 0.84 (0.69-1.02) |
| Hispanic | 1.11 (0.84-1.47) |
| Other† | 1.20 (0.76-1.89) |
| Education (cf, college graduate) | |
| Less than high school | 1.57 (1.10-2.24) |
| High school graduate | 1.32 (0.97-1.80) |
| Some college education | 1.28 (0.95-1.74) |
| Household income (cf, ≥$40,000) | |
| <$20,000 | 1.51 (1.13-2.01) |
| $20,000-$39,999 | 1.01 (0.77-1.32) |
| Region (cf, Northeast) | |
| South | 1.09 (0.85-1.39) |
| North central | 1.20 (0.93-1.56) |
| West | 1.01 (0.76-1.34) |
| Unwanted pregnancy (cf, wanted pregnancy) | 1.10 (0.92-1.31) |
| Prenatal care initiation (cf, during first trimester) | |
| No prenatal care | 3.39 (1.98-5.81) |
| After first trimester | 1.07 (0.86-1.34) |
| No preterm labor interventions (cf, received preterm labor interventions)‡ | 1.31 (1.08-1.59) |
| No childbirth class (cf, attended childbirth class) | 1.12 (0.92-1.36) |
| Cigarette smoking during pregnancy (cf, did not smoke) | 1.13 (0.91-1.39) |
| Alcohol use during pregnancy (cf, did not use alcohol) | 0.95 (0.76-1.20) |
| Drug use during pregnancy (cf, did not use drugs) | 0.86 (0.51-1.44) |
| No private insurance coverage for prenatal care (cf, used private insurance) | 1.22 (0.92-1.62) |
| Used government program/insurance for prenatal care (cf, did not use government insurance) | 0.76 (0.54-1.06) |
| Did not self-pay (own income or other relatives income) for prenatal care (cf, self-paid) | 1.13 (0.90-1.42) |
| Did not use other (eg, military, Indian) source to pay for prenatal care (cf, used other source) | 1.38 (0.88-2.17) |
| Low birth weight (cf, normal birth weight) | 0.83 (0.65-1.05) |
| Preterm delivery (cf, delivery at term) | 1.25 (0.95-1.65) |
Logistic regression model includes all variables listed in the table. All covariates were entered as a single block. n = 8992 after exclusion of missing data for all covariates.
Asian or Pacific Islander, Eskimo, Aleut, or American Indian.
Preterm labor interventions included tocolytic therapy, cerclage, bed rest, hospitalization, or restricted sexual or physical activities.