Table 2.

Means for biochemical variables (in ng/ml) for non-depressed, anxiety, depressed and comorbid depression and anxiety groups (S.D.s in parentheses). Different letter superscripts denote differences between group means.

	GROUP
	Non-Depressed	Anxiety	Depressed	Comorbid	F	p
Measures
Prenatal-Early GA (20 weeks)
Cortisol	200.74 (114.12)	173.64 (119.88)	197.11 (123.60)	200.76 (112.20)		NS
Norepinephrine	52.00 (23.10)	63.95 (27.44)	55.75 (25.48)	59.93 (25.24)	1.93	.12
Epinephrine	4.74 (3.18)	5.90 (2.83)	5.31 (4.73)	5.93 (4.00)
Dopamine	287.49^a (114.93)	361.91^b (176.73)	272.89^ac (114.11)	265.41^c (124.83)	3.38	.02
Serotonin	3993.20 (2071.66)	4595.07 (2316.06)	3882.18 (2045.36)	4026.63 (2470.32)		NS
Prenatal-Late GA (32 weeks)
Cortisol	190.04 (100.64)	200.71 (181.71)	168.82 (86.89)	219.81 (142.09)		NS
Norepinephrine	45.32^a (30.24)	63.06^b (18.00)	45.41^a (19.86)	54.58^b (28.88)		NS
Epinephrine	3.35^a (3.41)	4.08^b (3.20)	2.62^c (1.05)	4.03^b (3.49)		NS
Dopamine	189.69^a (109.52)	275.64^b (99.37)	196.42^a (116.43)	159.07^c (144.07)	3.03	.05
Serotonin	2638.01 (1783.53)	4358.87 (2702.63)	2144.77 (1258.73)	2964.10 (1992.86)		NS
Postnatal-Mother (2 days)
Cortisol	162.30^a (96.21)	120.28^b (73.19)	228.40^c (176.07)	209.73^c (184.65)	2.18	.10
Norepinephrine	31.28^a (13.700)	31.45^a (21.01)	39.15^b (34.47)	43.37^b (29.49)		NS
Epinephrine	4.67^a (2.93)	2.60^b (1.17)	4.59^a (1.63)	6.17^c (2.11)	2.71	.05
Dopamine	246.85 (89.84)	270.37 (106.87)	232.19 (155.89)	192.95 (105.08)		NS
Serotonin	4552.90 (3617.89)	2962.96 (1881.94)	2985.05 (815.44)	4679.32 (2315.05)		NS
Neonate
Cortisol	360.58^a (230.53)	272.87^b (270.44)	469.81^c (296.31)	455.38^c (262.70)	3.08	.05
Norepinephrine	54.80^a (36.10)	60.00^ab (102.32)	63.75^b (26.15)	62.13^b (24.08)	4.25	.009
Epinephrine	29.07 (86.91)	7.02 (7.29)	5.62 (2.93)	5.07 (2.95)		NS
Dopamine	530.16^a (258.48)	525.68^a (486.38)	366.76^b (129.36)	395.96^b (227.39)	3.80	.05
Serotonin	3909.02^a (2088.58)	3459.95^a (2463.21)	2204.01^b (2106.08)	2553.72^b (2142.39)	3.27	.05