Table 4.

Among Pregnancies^* Conceived Within 18 Months of a Previous Birth, Percent Intended and Unadjusted Odds Ratios and 95% Confidence Intervals For Intended Pregnancies by Selected Characteristics, 2006–2010.

Characteristic	Among Pregnancies Conceived Within 18 Months of a Previous Birth, Intended Pregnancies (%)	Unadjusted OR (95% CI)
All	45.2
Age at Conception of most recent pregnancy, y
15–19	15.4	—
20–29	44.1	4.33† (2.08, 9.03)
30–44	59.0	7.91† (3.356, 17.6)
Age at first birth, y
15–19	30.7	0.19† (0.09, 0.39)
20–29	48.4	0.39§ (0.18, 0.87)
30–44	70.4	—
Prior births
1	52.2	—
2	35.7	0.51‡ (0.32, 0.82)
3 or more	39.7	0.60 (0.35, 1.03)
Race or ethnicity
Non-Hispanic white	52.1	1.85§ (1.13, 3.05)
Hispanic	37.0	—
Non-Hispanic black	31.5	0.78 (0.45, 1.37)
Non-Hispanic other	47.7	1.55 (0.66, 3.68)
Union status at time of conception
Not married or cohabiting	23.5	—
Married	54.3	3.88‡ (1.83, 8.24)
Cohabiting	27.6	1.25 (0.55, 2.85)
Education
Less than high school	32.3	0.21† (0.11, 0.43)
High school graduate or equivalency certificate	33.7	0.23† (0.11, 0.46)
Some college	45.0	0.37§ (0.15, 0.88)
College graduate or above	69.0	—
Medicaid funded delivery
Yes	32.6	0.34† (0.20, 0.56)
No	59.0	—

OR, odds ratio; CI, confidence interval.

— indicates reference category.

^*Among pregnancies conceived within 5 years of the interview date and ending in a live birth.

^†Significant difference at P<.001.

^‡Significant difference at P<.01.

^§Significant difference at P<.05.