Frailty as a predictor of future falls and disability: a four-year follow-up study of Chinese older adults

BMC Geriatrics

Table 3 Impact of frailty status on incident disability

Incident disability	Frailty status	Incidence No. (%)	Minimally adjusted^a		Fully adjusted^b
Incident disability	Frailty status	Incidence No. (%)	OR	95% CI	OR	95% CI
ADL	N = 3382	794 (23.5)
disability	Non-frail	210 (15.0)	Ref.		Ref.
	Prefrail	511 (28.0)	2.06^***	[1.72,2.47]	2.02^***	[1.68,2.44]
	Frail	73 (46.2)	4.01^***	[2.81,5.72]	4.10^***	[2.79,6.03]
IADL	N = 3178	816 (25.7)
disability	Non-frail	216 (16.3)	Ref.		Ref.
	Prefrail	540 (31.4)	2.22^***	[1.86,2.66]	2.04^***	[1.69,2.46]
	Frail	60 (44.4)	3.48^***	[2.39,5.08]	3.06^***	[2.03,4.61]

Note: a. Age, sex, and marital status were adjusted
b. Urban residence, education, any pension, smoke, drink, self-report diagnosis of diabetes, heart problems, arthritis, stroke, memory-related disease, emotional, nervous, or psychiatric problems, and hypertension, BMI and fall in 2011 were further adjusted
^* p < 0.05, ^** p < 0.01, ^*** p < 0.001

ISSN: 1471-2318