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. Author manuscript; available in PMC: 2015 Feb 1.

Published in final edited form as: J Intellect Disabil Res. 2013 Jul 31;59(2):158–169. doi: 10.1111/jir.12075

Table 3.

Bivariate correlations of total and symptom domain scores on the SRDQ, GDS and CGDS

	SRDQ				GDS				CGDS
Measure		1	2	3	4	5	6	7	8	9	10	11
SRDQ	1. Total	–
	2. Affective	0.86^**	–
	3. Cognitive	0.92^**	0.74^**	–
	4. Somatic	0.79^**	0.64^**	0.59^**	–
GDS	5. Total	0.66^**	0.49^**	0.64^**	0.52^**	–
	6. Affective	0.75^**	0.74^**	0.70^**	0.46^**	0.69^**	–
	7. Cognitive	0.78^**	0.63^**	0.75^*	0.63^**	0.67^**	0.68^**	–
	8. Somatic	0.54^**	0.29^**	0.51^**	0.60^**	0.57^**	0.45^**	0.52^**	–
CGDS	9. Total	0.20	0.15	0.24^*	0.08	0.45^**	0.27^*	0.13	0.03	–
	10. Affective	0.21	0.19	0.24^*	0.09	0.44^**	0.30^**	0.17	0.03	0.76^**	–
	11. Cognitive	0.04	0.03	0.13	−0.11	0.21	0.04	0.03	−0.22	0.73^**	0.64^**	–
	12. Somatic	0.13	0.10	0.08	0.16	0.24^*	0.10	−0.01	−0.06	0.77^**	0.58^**	0.62^**

^*

P <0.05.

^**

P < 0.01.

SRDQ, Self-Report Depression Questionnaire; GDS, Glasgow Depression Scale – ID; CGDS, Carer Supplement of the Glasgow Depression Scale.