Table 4.

Full prediction model, including iADL, falls and 21-point MMSE

Variable	Parameter estimate	Standard error	Wald Chi²	p-value
Intercept	−1.2974	0.2204	34.6441	< 0.0001
Fall within a year	0.5292	0.2619	4.0823	0.0433
21-point MMSE	0.2364	0.1865	1.6071	0.2049
iADL	0.3727	0.1615	5.3240	0.0210

−2 Log Likelihood intercept only = 388.734; −2 log likelihood for intercept and covariates = 371.179 (Chi² = 17.5548 [degree of freedom = 3]; p-value <0.001)

Hosmer and Lemeshow statistic (Chi² = 0.81 [degrees of freedom=4; p-value = 0.94)

MMSE, Mini Mental State Evaluation iADL instrumental Activity of Daily Living