Few brief self-report memory questionnaires are available, and none has been well validated. We designed a brief questionnaire, the MAC-Q, to assess age-related memory decline. Validity and reliability of the MAC-Q were assessed in 232 subjects meeting diagnostic criteria for age-associated memory impairment (AAMI). Concurrent validity of the MAC-Q was supported by a significant correlation (r = .41, p < .001) with a lengthy, well-validated memory questionnaire. Multiple regression analysis indicated that memory test scores were significant predictors of MAC-Q scores. MAC-Q scores were not predicted by Hamilton Depression Scale scores, suggesting that memory complaint in AAMI is not related to affective status. Internal consistency and test-retest reliability of the MAC-Q were satisfactory. Our data support the validity and reliability of the MAC-Q, a new brief memory questionnaire. The MAC-Q is of particular relevance to the assessment of AAMI, but should also prove useful in any clinical or research setting requiring a brief index of memory complaint.
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