Table 2.

Comparison of selected factors of the study instruments

	MMSE	IQCODE	CDR
Time for administration	About 10 minutes	10–15 minutes	>40 minutes if previous clinical details are not available
Administration of the instruments	By interviewer (some training desirable)	By interviewer	By clinician/trained personnel
Need for informants	Not necessary	Essential	Essential
Limitations of use	Impossible to use in those with hearing/visual disability and illiterate persons	Can be used for all patients provided informants are present	Difficult to use in those with hearing/visual disability
Observation by the researcher	Not wholly culturally acceptable Easy to use	Culturally acceptable Easy to use	Not wholly culturally acceptable Difficult to use