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Table 8 Regression analysis for intrapersonal variability (WPSS) of individuals’ daily time use allocation (Monday-Friday)

From: Variability in daily activity-travel patterns: the case of a one-week travel diary

Variable

Coef.

Std. Err.

t-value

P > |t|

Worker

1.739

2.335

0.74

0.457

Student x male

-8.735

0.881

-9.92

0.000

Housewife x male

-8.894

1.120

-7.94

0.000

Pensioner x male

-8.054

0.948

-8.50

0.000

Worker x male

-8.533

0.473

-18.06

0.000

Student x age < 15

-6.358

2.177

-2.92

0.004

Worker x age < 15

-8.047

5.327

-1.51

0.131

Student x age15_25

-5.732

2.105

-2.72

0.007

Housewife x age15_25

-2.302

2.629

-0.88

0.382

Worker x age15_25

-3.630

2.696

-1.35

0.179

Student x age25_55

-2.852

5.320

-0.54

0.592

Housewife x age25_55

-1.415

2.444

-0.58

0.563

Pensioner x age25_55

5.744

4.803

1.20

0.232

Worker x age25_55

-3.817

2.755

-1.39

0.166

Housewife x age55_65

-0.066

2.568

-0.03

0.980

Pensioner x age55_65

-0.483

1.023

-0.47

0.637

Worker x age55_65

-2.731

2.765

-0.99

0.324

Student x density

0.000

0.000

0.49

0.626

Housewife x density

0.000

0.000

0.99

0.321

Pensioner x density

0.000

0.000

-0.45

0.655

Worker x density

0.000

0.000

-0.32

0.751

Student x driving_license

1.218

1.169

1.04

0.298

Housewife x driving_license

0.287

1.369

0.21

0.834

Pensioner x driving_license

0.624

1.477

0.42

0.673

Worker x driving_license

0.666

0.951

0.70

0.484

Housewife x single_with_child

0.316

3.450

0.09

0.927

Worker x single_with_child

1.680

1.782

0.94

0.346

Housewife x single_no_child

-8.952

1.565

-5.72

0.000

Pensioner x single_no_child

-10.409

2.155

-4.83

0.000

Worker x single_no_child

-3.516

0.668

-5.27

0.000

Student x couple_with_child_one_worker

3.586

5.180

0.69

0.489

Housewife x couple_with_child_one_worker

-2.211

2.274

-0.97

0.331

Worker x couple_with_child_one_worker

-1.291

2.102

-0.61

0.539

Housewife x couple_with_child_two_worker

-1.944

1.655

-1.17

0.241

Worker x couple_with_child_two_worker

-0.324

0.598

-0.54

0.588

Housewife x couple_no_child_no_worker

0.544

2.026

0.27

0.788

Pensioner x couple_no_child_no_worker

0.498

1.793

0.28

0.781

Worker x couple_no_child_no_worker

0.366

2.277

0.16

0.873

Housewife x couple_no_child_one_worker

-1.192

1.565

-0.76

0.446

Pensioner x couple_no_child_one_worker

0.774

2.119

0.37

0.715

Worker x couple_no_child_one_worker

0.094

1.194

0.08

0.937

Constant

17.688

1.910

9.26

0.000

Number of obs

696

   

Source

SS

df

MS

 

Model

16,221.45

41

395.65

 

Residual

13,629.85

654

20.84

 

Total

29,851.30

695

42.95

 

F(41, 654)

18.98

   

Prob > F

0.0000

   

R-squared

0.54

   

Adj R-squared

0.51