解释变量

参数估计值

参数标准差

统计量

双侧概率

fresh

0.7546

0.0620

−1.2169

0.0224

pesti

−0.1232

0.0594

−2.0728

0.0382

trans

−0.0046

0.0529

−0.0867

0.9309

chemi

−0.1151

0.0501

−2.2979

0.0216

wax

−0.0671

0.0620

−1.0820

0.0399

horms

−0.0980

0.0574

−1.7071

0.0878

sex

−0.0202

0.0674

−0.3002

0.7640

age

0.0052

0.0044

1.1930

0.0478

educa

−0.0286

0.0548

−0.5228

0.6011

popul

0.0209

0.0265

0.7895

0.4298

income

3.4564

0.4379

−1.8965

0.0579