Use of multidimensional item response theory methods for dementia prevalence prediction: an example using the Health and Retirement Survey and the Aging, Demographics, and Memory Study

Table 2 Odds ratios for the classification of dementia status in the Aging, Demographics, and Memory study (ADAMS)

	Base model	Factor score model	Full model
Age (per year)	1.17 (1.13–1.21)		1.02 (0.97–1.07)
Sex (female vs. male)	1.33 (0.83–2.14)		1.37 (0.61–3.07)
Cognition factor (per SD)		0.03 (0.02–0.06)	0.03 (0.02–0.06)
Functional limitations factor (per SD)		0.43 (0.21–0.87)	0.46 (0.23–0.92)
AIC	389.705	129.815	133.16

Odds ratios are from logistic regression models, Intervals represent 95% confidence intervals
AIC alkaike information criterion

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