截距	回归系数	标准误	95%置信上限	95%置信下限	P
Intercept	Estimate of coefficients	Standard error	95% Upper limit of confidence	95% Lower limit of confidence	P
D	−0.027	0.00808	−0.007869	−0.046	0.0124
L	0.004513	0.00808	0.024	−0.015	0.5939
P	0.054	0.00808	0.073	0.035	0.0003
D × L	−0.019	0.011	0.007846	−0.046	0.1372
D × P	0.054	0.011	0.081	0.027	0.0022
L × P	−0.025	0.011	0.002221	−0.052	0.0666
D²	−0.098	0.011	−0.072	−0.12	< 0.0001
L²	−0.019	0.011	0.007216	−0.045	0.1297
P²	−0.028	0.011	−0.001234	−0.054	0.0425