Table 1.

Subject Characteristics of 22 Healthy and 11 Depressed Women Studied During Pregnancy

	Healthy women			Depressed women
	Mean	SD	Range	Mean	SD	Range	p
Age, years	25.7	5.2	19–38	26.4	5.4	20–37	0.140
Weeks pregnant	30.3	8.0	8–38	29.1	7.6	14–38	0.677
Body mass index	30.1	5.6	22–41	31.1	5.2	25–40	0.096
Estradiol	3.9	0.5	2.4–4.5 log pg/mL	3.8	0.2	3.4–4.1 log pg/mL	0.348
Progesterone	2.0	0.3	1.2–2.3 log ng/mL	1.9	0.2	1.6–2.4 log ng/mL	0.846
Melatonin AUC	3.2	0.3	2.6–3.6 log ng/mL/h	3.0	0.1	2.8–3.2 log ng/mL/h	0.019

AUC, area under the curve; SD, standard deviation.