Table 1.

Demographic Characteristics of US Pregnant Women Aged ≥18, Overall and by the Presence of SPD, NSDUH 2008–2014

			By 3-group SPD category
	Overall (N = 5442)		None (N = 4620)		Past year/not past month (N = 454)		Past month (N = 368)
Characteristic	%	(SE)	%	(SE)	%	(SE)	%	(SE)	p*
Age									<.0001
18–25	37.0	(1.0)	35.0	(1.1)	46.6	(3.6)	57.3	(4.3)
26–34	50.0	(1.0)	52.0	(1.1)	36.4	(3.9)	33.9	(4.4)
≥35	13.0	(0.9)	13.0	(0.8)	17.0	(3.6)	8.8	(3.3)
Marital status									<.0001
Married	61.2	(1.1)	63.6	(1.1)	53.4	(4.0)	30.6	(4.2)
Widowed/divorced/separated	6.2	(0.5)	5.7	(0.5)	10.0	(2.1)	10.3	(2.3)
Never married	32.6	(1.0)	30.7	(1.1)	36.7	(3.7)	59.2	(4.3)
Education									<.0001
<High school	15.3	(0.7)	14.9	(0.8)	13.3	(2.1)	26.3	(3.2)
High school graduate	25.8	(0.9)	24.6	(1.0)	27.4	(3.1)	44.4	(3.9)
Some college	25.3	(1.0)	24.9	(1.1)	33.1	(4.1)	21.8	(3.6)
College grad or above	33.6	(1.2)	35.7	(1.4)	26.2	(3.6)	7.5	(2.3)
Income									<.0001
≤$20 000	22.1	(0.9)	20.8	(1.0)	24.9	(3.0)	41.1	(4.4)
$20–49 999	30.5	(1.2)	30.1	(1.2)	30.0	(3.1)	38.2	(4.3)
$50–74 999	17.1	(0.7)	17.4	(0.8)	16.8	(2.9)	12.8	(3.0)
≥$75 000	30.3	(1.2)	31.7	(1.3)	28.4	(3.7)	7.9	(2.5)
Race									.013
White	59.1	(1.2)	58.5	(1.3)	67.9	(2.9)	57.1	(4.4)
Black	14.0	(0.8)	14.0	(0.8)	11.2	(1.9)	18.6	(3.6)
Hispanic	18.2	(0.9)	18.5	(0.9)	14.1	(1.9)	19.3	(3.4)
Other	8.7	(0.7)	9.0	(0.7)	6.7	(1.6)	5.1	(1.5)

NSDUH = National Survey on Drug Use and Health; SE = standard error; SPD = Serious Psychological Distress. Acute SPD reflected in past month; Recent SPD reflected in past year/not past month.

*From chi-square test for difference in characteristic distribution between 3 SPD categories.