Table 1.

Definition of variables and models

Variable	Definition
MO2	1 If mobility is level 2; 0 otherwise
MO3	1 If mobility is level 3; 0 otherwise
SC2	1 If self-care is level 2; 0 otherwise
SC3	1 If self-care is level 3; 0 otherwise
SC3*	1 If self-care is level 3; 0 otherwise (merged levels 1 and 2 in the reference group)
SC23	1 If self-care is level 2 or 3; 0 otherwise
UA2	1 If usual activities is level 2; 0 otherwise
UA3	1 If usual activities is level 3; 0 otherwise
PD2	1 If pain/discomfort is level 2; 0 otherwise
PD3	1 If pain/discomfort is level 3; 0 otherwise
AD2	1 If anxiety/depression is level 2; 0 otherwise
AD3	1 If anxiety/depression is level 3; 0 otherwise
N3	1 If any dimension is level 3; 0 otherwise

Models	f(x)
Models based on individual data
Model 1	f (mo2 mo3 sc2 sc3 ua2 ua3 pd2 pd3 ad2 ad3)
Model 2	f (mo2 mo3 sc2 sc3 ua2 ua3 pd2 pd3 ad2 ad3 N3)
Model 3	f (mo2 mo3 sc3* ua2 ua3 pd2 pd3 ad2 ad3)
Model 4	f (mo2 mo3 sc3* ua2 ua3 pd2 pd3 ad2 ad3 N3)
Model 5	f (mo2 mo3 sc23 ua2 ua3 pd2 pd3 ad2 ad3)
Model 6	f (mo2 mo3 sc23 ua2 ua3 pd2 pd3 ad2 ad3 N3)
Models based on aggregated data
Model 1M1–Model 1M3	f (mo2 mo3 sc2 sc3 ua2 ua3 pd2 pd3 ad2 ad3)