Reliability and validity of the international dementia alliance schedule for the assessment and staging of care in China

Table 4 Correlation of total score of IDEAL, Chinese version, against validated instruments

IDEAL Items	CDR-SOB	MMSE	CBI
Activities of daily living	0.79*	−0.69*	0.54*
Physical health	0.17^#	−0.08	0.10
Cognitive functioning	0.78*	−0.69*	0.48*
Behavioural and psychological symptoms	0.56*	−0.44*	0.51*
Social support	0.23*	−0.20^#	0.30*
Time spent on care by non-professional carer	0.57*	−0.54*	0.52*
Carer distress	0.49*	−0.40*	0.66*
Total number of hours of professional care received	0.19^#	−0.14^#	0.15^#
Total number of hours of professional care needed	0.45*	−0.42*	0.49*
Type of dementia related care needed	0.51*	−0.49*	0.53*
Total IDEAL score	0.74*	−0.65*	0.70*

* p < 0.001, ^# p < 0.05. CDR-SOB Clinical Dementia Rating - sum of box, MMSE Mini-Mental State Examination, CBI Caregiver Burden Inventory

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