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Table 3 Full and reduced both Stepwise logistic regression analysis model assessing the impact of risk factors on the course of COVID-19

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

OR

95%CI

z

p

full model

     

Intercept

-1.679

0.024

0.003–0.223

-3.27

0.001

Sex

0.572

1.881

1.39–2.553

4.077

< 0.001

Age

-0.008

1.030

1.014–1.045

3.823

0.000

Smoking

-0.071

0.831

0.722–0.956

-2.586

0.010

BMI

0.013

1.003

0.972–1.035

0.159

0.873

Habitation

-0.255

0.916

0.635–1.324

-0.466

0.641

Two vaccine doses

-1.010

0.583

0.223–1.449

-1.138

0.255

Three vaccine doses

-1.264

0.416

0.178–0.903

-2.137

0.033

Four vaccine dose or more

-1.117

0.315

0.094–1.008

-1.918

0.055

Last time of vaccinated

0.116

1.118

0.88–1.421

0.914

0.361

Incidence of co-habitation

1.044

1.815

0.857–3.89

1.548

0.122

Change of comorbidities

0.177

1.190

1.048–1.354

2.66

0.008

Treatment method

0.701

1.923

1.431–2.606

4.28

< 0.001

Sedentary

-0.021

0.950

0.859–1.051

-0.997

0.319

Healthy walking more than 75 min/week

0.006

0.809

0.566–1.156

-1.166

0.243

Healthy walking more than 150 min/week

-0.208

0.738

0.501–1.088

-1.537

0.124

Healthy walking more than 300 min/week

-0.519

0.518

0.359–0.745

-3.526

0.000

Emotional

-0.392

0.908

0.691–1.192

-0.696

0.486

Regular meals

0.244

1.267

0.866–1.862

1.212

0.226

Communication

0.285

1.349

1.132–1.611

3.33

0.001

model with reduced both stepwise

    

Intercept

-0.285

0.034

0.007–0.154

-4.385

< 0.001

Sex

1.285

1.935

1.436–2.615

4.32

< 0.001

Age

2.285

1.029

1.015–1.044

3.961

< 0.001

Smoking

-3.285

0.840

0.73–0.965

-2.453

0.014

Two vaccine doses

-4.285

0.627

0.24–1.556

-0.984

0.325

Three vaccine doses

-5.285

0.429

0.183–0.931

-2.059

0.039

Four vaccine doses or more

-6.285

0.291

0.087–0.923

-2.064

0.039

Incidence of co-habitation

7.285

1.763

0.837–3.757

1.484

0.138

Change of comorbidities

8.285

1.195

1.054–1.359

2.754

0.006

Treatment method

9.285

1.935

1.441–2.62

4.337

< 0.001

Healthy walking more than 75 min/week

-10.285

0.803

0.564–1.144

-1.217

0.224

Healthy walking more than 150 min/week

-11.285

0.738

0.503–1.082

-1.556

0.120

Healthy walking more than 300 min/week

-12.285

0.518

0.36–0.743

-3.56

< 0.001

Communication

13.285

1.354

1.139–1.616

3.401

0.001

  1. Note: B, unstandardized regression coefficient; OR, odds ratio; CI: Confidence Interval