Successful five-item triage for the broad spectrum of mental disorders in pregnancy – a validation study

Table 3 Multivariate logistic regression analysis for four triage models for mental disorders during pregnancy

	Model 1		Model 2		Model 3		Model 4
Psychiatric items (short set) ²	OR	(95% CI)
Hospital admission for mental disorder ever (women herself)
No (REF)	1
Yes	1.23	(0.52 - 2.89)
Hospital admission of a first-degree relative for mental disorder ever
No (REF)	1
Yes	1.05	(0.50 - 2.19)
Psychotropic medication use ever
No (REF)	1
Yes	7.96	(4.59 - 13.80)
Psychiatric items (intermediate set) ³
			OR	(95% CI)	OR	(95% CI)	OR	(95% CI)
Traumatic experience ever
No (REF)			1		1		1
Yes			3.00	(1.58 - 5.70)**	2.78	(1.36 - 5.64)**	1.89	(0.91 - 3.90)
Feelings of a depressed mood ever
No (REF)			1		1		1
Yes			3.57	(1.83 - 6.96)**	2.31	(1.10 - 4.85)*	3.58	(1.74 - 7.39)**
Panic attac ever			1		1		1
No (REF)			1		1		1
Yes			2.59	(1.35 - 4.94)**	2.50	(1.23 - 5.10)* (1.23 - 5.10)	3.57	(1.75 - 7.28)**
Current psychiatric symptoms			1		1		1
No (REF)			1		1		1
Yes			5.08	(2.07 - 12.46)**	2.44	(0.89 - 6.68)	4.56	(1.80 - 11.53)**
Current severe depressive or anxious symptoms			1		1		1
No (REF)			1		1		1
Yes			2.40	(1.00 - 5.76)	0.73	(0.25 - 2.11)	2.38	(0.95 - 5.98)
Psychiatric items (extended set) ³					OR	(95% CI)
Edinburgh Depression Scale score⁴					1.26	(1.16 - 1.37)
Psychosocial items (comprehensive set) ³							OR	(95% CI)
Sexual or physical abuse⁵							1
No (REF)							5.87	(1.88 - 18.27)**
Yes
Alcohol consumption during pregnancy⁶
No (REF)							1
Yes, untill pregnancy was known							1.10	(0.57 - 2.15)
Yes, still							9.13	(1.78 - 46.74)**
Unplanned pregnancy
No (REF)							1
Yes							3.00	(1.52 - 5.90)**

¹ Diagnosis based on Structured Clinicial Interview of DSM-IV disorders axis I and II (SCID I and SCID II).
² all determinants were entered.
³ stepwise backwards logistic regression, last step of the regression model is reported.
⁴ Including 10 items.
⁵ Defined as current sexual/physical abuse, or still suffering from a past history of sexual/physical abuse.
⁶ Defined as consuming at least one glass of alcohol a week.
*p < 0.05, **p < 0.01.
Model 1, short set of 3 items ^, x² = 75.3, p < 0.001. Nagelkerke's R² = 0.276, HL (Hosmer & Lemeshow) = 6.312.
Model 2, intermediate set of 5 items, x² = 171.1, p < 0.001. Nagelkerke's R² = 0.547, HL = 1.454.
Model 3, intermediate ste + Edinburgh Depression Scale, together: extended set of 15 items, x² = 210.1, p < 0.001. Nagelkerke's R² = 0.637, HL = 6.432.
Model 4, intermediate set + 3 psychosocial items, together: comprehensive set of 8 items, x² = 199.9, p < 0.001. Nagelkerke's R² = 0.615, HL = 14.566.

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