Psychometric properties of responses by clinicians and older adults to a 6-item Hebrew version of the Hamilton Depression Rating Scale (HAM-D6)

Table 1 Invariance analyses of older patient and clinician 6-Item HAM-D responses

Model	df	χ²	Δdf	Δ χ²	AGFI	SRMR	CFI	RMSEA
								(RMSEA-CL₉₀)
1. Baseline	17	30.745	–	–	.93	.0352	.98	.052 (.020 – .081)
2. Self-esteem and guilt	18	31.901	1	1.156	.93	.0348	.98	.051 (.019 – .079)
3. Social interaction and interests	19	36.796	1	4.896 **	.92	.0348	.97	.056 (.028 – .083)
4. Psychomotor retardation	20	67.602	1	30.806 **	.86	.0746	.93	.089 (.066 – .113)
5. Anxiety	21	69.090	1	1.488	.87	.0756	.93	.087 (.065 – .110)
6. Somatic symptoms	22	69.127	1	0.037	.87	.0759	.93	.084 (.062 – .107)

Note. df = degrees of freedom, AGFI = Adjusted Goodness of Fit Index, SRMR = Standardized Root Mean Residual, CFI = Comparative Fit Index, RMSEA = Root Mean Square Error of Approximation, CL₉₀ = 90% Confidence Limits.

ISSN: 1471-244X