Table 2. Adjustment obtained by analysis of generalized estimation equation for the frailty score. Ribeirão Preto, State of São Paulo, Brazil, 2016.

Variable	Estimate	Standard error	Wald	p*
Intercept	0.761	0.194	15.359	< 0.001
Age	0.007	0.194	15.359	< 0.001
Without partner	0.099	0.036	7.555	< 0.001
Education level	-0.011	0.004	7.608	0.005
Number of diseases	0.031	0.004	41.795	< 0.001
Number of drugs	0.016	0.005	8.387	0.003
Suffered a fall	0.135	0.034	14.327	< 0.001
Linear total FIM	-3.096	0.522	35.169	< 0.001
Quadratic total FIM	-0.915	0.347	6.945	0.008
Linear total IADL	-3.773	0.573	43.262	< 0.001
Quadratic total IADL	-2.219	0.357	38.620	< 0.001
Period 2 (2013)	-0.103	0.035	8.663	0.003
Dispersion (Intercept)	0.759	0.047	260.606	< 0.001
Correlation	0.207	0.060	11.628	< 0.001

FIM: functional independence measure; IADL: instrumental activities of daily living

* p ≤ 0.05