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. 2014 Nov;69 Suppl 2(Suppl 2):S166-76.
doi: 10.1093/geronb/gbu106.

Measuring cognition: the Chicago Cognitive Function Measure in the National Social Life, Health and Aging Project, Wave 2

Joseph W Shega  1 , Priya D Sunkara  2 , Ashwin Kotwal  3 , David W Kern  4 , Sara L Henning  5 , Martha K McClintock  6 , Philip Schumm  3 , Linda J Waite  7 , William Dale  2
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Measuring cognition: the Chicago Cognitive Function Measure in the National Social Life, Health and Aging Project, Wave 2

Joseph W Shega et al. J Gerontol B Psychol Sci Soc Sci. 2014 Nov.

Abstract

Objectives: To describe the development of a multidimensional test of cognition for the National Social life, Health and Aging Project (NSHAP), the Chicago Cognitive Function Measure (CCFM).

Method: CCFM development included 3 steps: (a) A pilot test of the Montreal Cognitive Assessment (MoCA) to create a standard protocol, choose specific items, reorder items, and improve clarity; (b) integration into a CAPI-based format; and (c) evaluation of the performance of the CCFM in the field. The CCFM was subsequently incorporated into NSHAP, Wave 2 (n = 3,377).

Results: The pre-test (n = 120) mean age was 71.35 (SD 8.40); 53% were female, 69% white, and 70% with college or greater education. The MoCA took an average of 15.6min; the time for the CCFM was 12.0 min. CCFM scores (0-20) can be used as a continuous outcome or to adjust for cognition in a multivariable analysis. CCFM scores were highly correlated with MoCA scores (r = .973). Modeling projects MoCA scores from CCFM scores using the equation: MoCA = (1.14 × CCFM) + 6.83. In Wave 2, the overall weighted mean CCFM score was 13.9 (SE 0.13).

Discussion: A survey-based adaptation of the MoCA was successfully integrated into a nationally representative sample of older adults, NSHAP Wave 2.

Keywords: Cognitive assessment; Health; Older adults; Social factors..

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