αi

βi

Std

R2

T value

F value

food

957.5

0.183

0.0063

0.9747

29.1106

847.43

Clothing

254.12

0.0514

0.0029

0.931

17.2278

296.708

Residence

−615.697

0.1467

0.0134

0.8464

10.9366

119.6089

Articles for daily use

115.382

0.0385

0.001

0.9853

38.3339

1469.48

Transportation and communication

−181.46

0.1011

0.0026

0.9854

38.5922

1489.36

Education and culture

169.3334

0.0732

0.0028

0.9692

26.3259

693.054

Medical care

0.9751

0.0462

0.0015

0.9764

30.2005

912.072

Other categories

112.5901

0.0166

0.0013

0.8832

12.9004

166.42

total

0.6567