Table 3.

Total SPPB score and incidence rate of probable dementia, NHATS, 2011–2018 ¹.

Total SPPB Score	Unadjusted Rate Ratio (95% CI)	Adjusted Rate Ratio (95% CI) 2
0–5	1.08 (1.07–1.10) *	1.05 (1.04–1.07) *
6–9	1.02 (1.01–1.02) *	1.01 (1.00–1.01)
10–12	Reference	Reference

Note. SPPB = Short Physical Performance Battery; NHATS = National Health and Aging Trends Study; CI = confidence interval. ¹ Analyses of weighted data from NHATS. ² Multivariable Poisson regression generalized estimating equation (GEE) model adjusted for age, gender, race, education, body mass index (BMI), probable major depression (PMD), and comorbidities accounting for clustering. * p-value < 0.001.