Estimation of regression parameter Standard error P*
Intercept 186.26 7.69  
Vision (ref=1)      
0 -8.99 6.28 .15
Investment (ref=2)      
0 -16.29 7.94 .04
1 -11.32 8.34 .17
Offering (ref=1)      
0 -6.97 6.79 .31
* P value of the test comparing each class to the reference one.
Table 3: Relationships between gestational term (in days) and the tree qualitative scores – multivariate analysis – One linear regression model.
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