Table 3. Adjustment obtained by analysis of generalized estimation equation for the frailty score together with the parameters of dispersion. Ribeirão Preto, State of São Paulo, Brazil, 2016.

Variable	Estimate	Standard error	Wald	95%CI	p*	RI	95%CI
Intercept	0.948	0.164	33.170	0.626–1.271	< 0.001
Age	0.005	0.002	8.576	0.001–0.009	0.003	1.005	1.001–1.009
Without partner	0.080	0.034	5.507	0.013–0.147	0.018	1.083	1.013–1.589
Education level	-0.008	0.003	5.470	-0.016– -0.001	0.019	0.991	0.983–0.998
Number of diseases	0.033	0.004	53.703	0.024–0.041	< 0.001	1.033	1.024–1.042
Number of drugs	0.009	0.005	3.175	-0.001–0.020	0.074	1.009	0.999–1.020
Suffered a fall	0.111	0.005	12.252	0.049–0.173	< 0.001	1.117	1.050–1.189
Linear total FIM	-2.302	0.434	28.123		< 0.001
Quadratic total FIM	-0.547	0.297	3.383		0.065
Linear total IADL	-4.466	0.509	76.871		< 0.001
Quadratic total IADL	-2.053	0.295	48.371		< 0.001
Period 2 (2013)	-0.114	0.032	12.592	-0.177– -0.051	< 0.001	0.892	0.837–0.950
Dispersion
Intercept	1.352	0.424	10.174	0.521–2.183	0.001
Age	-0.011	0.004	6.329	-0.020– -0.002	0.011
Without partner	-0.172	0.083	4.236	-0.337– -0.008	0.039
Total FIM	-0.004	0.002	4.375	-0.008– -0.000	0.036
Total IADL	0.049	0.010	21.809	0.028–0.069	< 0.001
Correlation	0.183	0.059	9.660		0.001

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

* p ≤ 0.05