Related but different: distinguishing postpartum depression and fatigue among women seeking help for unsettled infant behaviours

Table 4 Pattern and structure standardised coefficients DASS21-D and FSS-5R

Scale and Item	Congeneric model	One-factor model	Two-factor model^a
	Congeneric model	One-factor model	Depression		Fatigue
	Pattern	Pattern	Pattern	Structure	Pattern	Structure
DASS21-D
Item 3	0.89	0.82	0.88	0.88	0.00^b	0.36
Item 5	0.39	0.49	0.50	0.50	0.00^b	0.21
Item 10	0.90	0.85	0.89	0.89	0.00^b	0.36
Item 13	0.83	0.78	0.84	0.84	0.00^b	0.35
Item 16	0.89	0.86	0.89	0.89	0.00^b	0.36
Item 17	0.84	0.76	0.82	0.82	0.00^b	0.34
Item 21	0.90	0.83	0.90	0.90	0.00^b	0.37
FSS-5R
Item 4	0.79	0.64	0.00^b	0.32	0.78	0.78
Item 5	0.83	0.74	0.00^b	0.34	0.84	0.84
Item 6	0.86	0.80	0.00^b	0.36	0.87	0.87
Item 7	0.81	0.71	0.00^b	0.34	0.82	0.82
Item 8	0.78	0.65	0.00^b	0.31	0.76	0.76

Note: ^a In the two-factor model all correlations were free to be estimated, and factor variances were set to unity for model identification. ^b Parameters were fixed at 0.00. DASS21-D Depression Anxiety Stress Scale Depression subscale, FSS-5R Fatigue Severity Scale-Revised 5-item version; Values are standardised coefficients

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