Table 3.

Patient characteristics at baseline.

Age (M±SD, range)	30.33±4.23, 22-36 years	Education level
Gestational week (M±SD, range)	23.67±1.97, 21-27 weeks	Some college credit, but no degree	n=1/12, 8.3%
Relationship status (n, %)		Trade, technical, or vocational certificate	n=1/12, 8.3%
Married	n=11/12, 91.7%	Bachelor’s degree	n=6/12, 50.0%
Not married, but in a relationship	n=1/12, 8.3%	Master’s degree	n=4/12, 33.3%
Planned pregnancy (n, %)	n=9/12, 75.0%	Employment status (n, %)
Nulliparous (n, %)	n=8/12, 66.7%	Full-time	n=8/12, 66.7%
Other kids at home	n=5/12, 41.7%	Part-time	n=2/12, 16.7%
BMI (M±SD, range)	29.98±4.50, 21.80-39.00	Stay-at-home parent or homemaker	n=2/12, 16.7%
BMI ≥ 35 (n, %)	n=1/12, 8.3%	Annual household income (n, %)
Hypertension (n, %)		< $20,000	n=3/12, 25.0%
Gestational onset	n=1/12, 8.3%	$75,001 - $100,000	n=6/12, 50.0%
Pre-gestational onset	n=1/12, 8.3%	$100,001 - $200,000	n=2/12, 16.7%
Diabetes, type II (n,%)	n=0/12, 0.0%	> $200,000	n=1/12, 8.3%
Race (n, %)		DSM-5 insomnia disorder (n, %)
white	n=9/12, 75.0%	Chronic: Met criteria, duration ≥ 3 months	n=11/12, 91.7%
Black	n=1/12, 8.3%	Episodic: Met criteria, duration = 2 months	n=1/12, 8.3%
East or Southeast Asian	n=1/12, 8.3%	Sleep duration (M±SD)	6.67±.96 hours
Multi-racial	n=1/12, 8.3%	≤ 6 hours/night (n, %)	n=3/12, 25.0%
		Habitual snoring (≥ 3 nights/week; n, %)	n=2/12, 16.7%
		Antidepressant medication (n, %)	n=1/12, 8.3%
		Sleep aids (n, %)	n=0/12, 0.0%

Note: M±SD = mean and standard deviation. n = number of patients. % = percentage of patients. BMI = body mass index.