Table 2.

Estimated coefficients of the independent variables (first multiple linear regression model).

Parameter	Coefficient	Significance	Parameter	Coefficient	Significance
Constant	−0.084	0.000	June	−0.042	0.000
EXT85d	0.217	0.000	July	−0.023	0.000
EXT85_MA	0.001	0.003	September	−0.006	0.003
VISIT	0.106	0.000	December	−0.017	0.000
EXT85d * VISIT	0.064	0.000