Is postpartum depression a homogenous disorder: time of onset, severity, symptoms and hopelessness in relation to the course of depression

Table 5 Symptom Checklist-90 scores according to previous depression

	History of previous depressive episode			History of depression during pregnancy			Pure postpartum depression
	No (n = 19)	Yes (n = 85)		No (n = 60)	Yes (n = 44)		No (n = 81)	Yes (n = 23)
SCL-90 subscales	Mean (SD)	Mean (SD)	p-value ¹	Mean (SD)	Mean (SD)	p-value ¹	Mean (SD)	Mean (SD)	p-value ¹
Somatisation	1.88 (0.54)	2.25 (0.73)	0.033	2.06 (0.65)	2.35 (0.77)	0.042	2.27 (0.74)	1.88 (0.52)	0.020
Obsessive-compulsive symptoms	2.63 (0.60)	2.78 (0.63)	0.363	2.65 (0.65)	2.89 (0.56)	0.099	2.79 (0.63)	2.60 (0.60)	0.202
Interpersonal sensitivity	1.98 (0.59)	2.47 (0.73)	0.008	2.18 (0.64)	2.65 (0.78)	0.002	2.49 (0.73)	1.97 (0.57)	0.002
Depression	2.97 (0.64)	3.26 (0.59)	0.074	3.09 (0.60)	3.38 (0.57)	0.025	3.27 (0.59)	3.00 (0.61)	0.043
Anxiety	2.13 (0.57)	2.40 (0.75)	0.159	2.21 (0.69)	2.55 (0.73)	0.012	2.43 (0.75)	2.08 (0.57)	0.042
Hostility	2.03 (0.59)	2.43 (0.74)	0.034	2.22 (0.69)	2.54 (0.75)	0.028	2.44 (0.74)	2.05 (0.59)	0.023
Phobic anxiety	1.80 (0.62)	1.94 (0.79)	0.710	1.80 (0.70)	2.07 (0.84)	0.080	1.96 (0.80)	1.72 (0.59)	0.276
Paranoid ideation	1.61 (0.60)	1.91 (0.68)	0.071	1.77 (0.65)	1.98 (0.69)	0.096	1.92 (0.69)	1.65 (0.58)	0.084
Psychoticism	1.44 (0.37)	1.73 (0.54)	0.023	1.60 (0.50)	1.79 (0.54)	0.037	1.74 (0.54)	1.45 (0.36)	0.015

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