Clinical assessment of bipolar depression: validity, factor structure and psychometric properties of the Korean version of the Bipolar Depression Rating Scale (BDRS)

Table 5 Correlation coefficients among the K-BDRS scores and factor scores (n = 141)

	K-BDRS Total	K-BDRS depressive	K-BDRS mixed	Factor 1	Factor 2	Factor 3
K-BDRS total	1
K-BDRS depressive	0.958**	1
K-BDRS mixed	0.375**	0.092	1
Factor 1	0.921**	0.888**	0.328**	1
Factor 2	0.800**	0.893**	−0.108	0.611**	1
Factor 3	0.417**	0.167*	0.907**	0.298**	−0.038	1

K-BDRS Korean version of the Bipolar Depression Rating Scale, K-BDRS depressive K-BDRS scale without mixed symptoms (Items 1–15), K-BDRS mixed mixed symptoms of K-BDRS (Items 16–20)
Factor 1: psychological depressive symptoms
Factor 2: somatic depressive symptoms
Factor 3: mixed symptoms
*Correlation is significant at the 0.05 level (p < 0.05, two-tailed)
**Correlation is significant at the 0.01 level (p < 0.01, two-tailed)

ISSN: 1471-244X