Cognitive functioning in women with breast cancer: psychometric properties of the Arabic version of the Functional Assessment of Cancer Therapy-Cognitive Function Tool

Table 3 Convergent validity of the FACT-Cog total scale and its domains

	FACT-Cog total	CogPCA	CogPCI	CogOth	CogQoL
EORTC-CF	0.640**	0.526**	0.488**	0.526**	0.566**
PHQ-9	− 0.660**	− 0.540**	− 0.564**	− 0.502**	− 0.545**
GAD-7	− 0.388**	− 0.296**	− 0.248*	− 0.356**	− 0.369**
Fatigue†	− 0.409**	− 0.296**	− 0.248*	− 0.356**	− 0.321*
Pain††	− 0.331**	− 0.236*	− 0.271*	− 0.321*	− 0.408**

FACT-Cog Functional Assessment of Cancer Therapy-Cognitive Function, CogPCA: perceived cognitive abilities subscale; CogPCI: perceived cognitive impairment subscale; CogOth: comments from others subscale; CogQoL: quality of life subscale; EORTC-CF Cognitive Functioning scale, PHQ-9 Patient Health Questionnaire, GAD-7 Generalized Anxiety Disorder,
^† Fatigue evaluated by the EORTC-QLQ C30 scale
^†† Pain evaluated by the EORTC-QLQ C30 scale
*P value < 0.05
**P value < 0.0001

ISSN: 1477-7525