Table 3.

Odds of Dementia for 4 Physical Performance Tasks in Main and Secondary Analyses^a

	Main Analyses			Secondary Analyses
Physical Performance Task	No.	Odds Ratio (95% CI)	P Value	No.	Odds Ratio (95% CI)	P Value
4-m Walk	629			751
0	81	28.3 (11.5–70.1)	<.001	126	29.7 (14.3–61.8)	<.001
1	120	12.2 (5.2–28.9)	<.001	147	9.3 (4.7–18.4)	<.001
2	129	6.2 (2.6–14.9)	<.001	149	4.1 (2.0–8.3)	<.001
3	151	4 (1.7–9.7)	.002	165	2.8 (1.4–5.7)	.004
4	148	1 [Reference]		164	1 [Reference]
5 Chair stands	629			730
0	202	15.9 (6.9–36.5)	<.001	268	15.6 (7.7–31.7)	<.001
1	96	5.1 (2.1–12.7)	<.001	107	4.2 (1.9–9.2)	<.001
2	111	2.4 (0.9–6.2)	.07	116	1.9 (0.8–4.5)	.12
3	100	2.2 (0.8–5.9)	.11	111	1.6 (0.7–3.8)	.29
4	120	1 [Reference]		128	1 [Reference]
Standing balance	629			739
0	182	9.5 (4.4–20.4)	<.001	247	14.2 (6.7–30.0)	<.001
1	93	3.7 (1.6–8.4)	.002	107	5.2 (2.4–11.7)	<.001
2	81	2.1 (0.8–5.1)	.11	89	2.4 (1.0–5.8)	.04
3	162	1.3 (0.6–3.1)	.53	182	1.6 (0.7–3.5)	.28
4	111	1 [Reference]		114	1 [Reference]
Grip strength	629			661
0	124	9.8 (4.5–21.5)	<.001	134	8.1 (3.9–16.7)	<.001
1	114	7.6 (3.4–16.7)	<.001	119	6.5 (3.1–13.5)	<.001
2	133	4.7 (2.1–10.3)	<.001	138	4.1 (2.0–8.5)	<.001
3	124	2 (0.8–4.7)	.13	131	1.8 (0.8–3.9)	.17
4	134	1 [Reference]		139	1 [Reference]

^aOdds of dementia and 95% CIs were estimated from logistic regression models adjusted for age and sex. Main analyses include participants with complete physical performance evaluations. Secondary analyses include additional participants with incomplete physical performance evaluations.