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Table 4 Full and reduced both Stepwise linear regression analysis model assessing the course of COVID-19 infection

From: The association between healthy walking and COVID-19 symptom severity: A cross-sectional study on the first peak following China’s prevention policy change

Variable

B

SE

t

p

Full model

   

Intercept

-1.557

2.851

-0.546

0.585

Sex

1.718

0.402

4.278

< 0.001

Age

0.069

0.019

3.594

0.000

Smoking

-0.516

0.181

-2.843

0.005

BMI

-0.055

0.042

-1.324

0.186

Habitation

0.829

0.477

1.737

0.083

Two vaccine doses

0.514

1.116

0.461

0.645

Three vaccine doses

-0.703

0.937

-0.750

0.453

Four vaccine doses or more

-2.102

1.483

-1.417

0.157

Last time of vaccinated

0.435

0.313

1.388

0.165

Incidence of co-habitation

0.900

0.980

0.919

0.358

Change of comorbidities

0.598

0.164

3.643

< 0.001

Treatment method

1.846

0.376

4.909

< 0.001

Sedentary

-0.126

0.131

-0.964

0.335

Healthy walking

-0.436

0.153

-2.846

0.005

Emotional

-0.368

0.355

-1.036

0.301

Regular meals

0.516

0.493

1.047

0.295

Communication

0.875

0.226

3.871

0.000

Intercept

0.705

2.038

0.346

0.730

Sex

1.805

0.398

4.534

< 0.001

Age

0.067

0.019

3.624

< 0.001

Smoking

-0.494

0.181

-2.731

0.006

BMI

-0.059

0.041

-1.424

0.155

Habitation

0.767

0.473

1.620

0.106

Two vaccine doses

0.708

1.113

0.636

0.525

Three vaccine doses

-0.657

0.936

-0.702

0.483

Four vaccine doses or more

-2.476

1.467

-1.688

0.092

Change of comorbidities

0.620

0.163

3.801

< 0.001

Treatment method

1.892

0.375

5.046

< 0.001

Healthy walking

-0.433

0.152

-2.855

0.004

Communication

0.906

0.225

4.033

< 0.001

  1. Note: B, unstandardized regression coefficient; SE, standard error;