Table 5 Regression analysis for offering the influenza vaccine

Age

 < .001

1.0598

1.044

1.0759

0.031

1.03629

1.003

1.07034

Sex

Male

 < .001

1.729

1.409

2.122

0.007

1.39073

1.093

1.76902

World Bank classification

Lower-middle-income economies

 < .001

1.761

1.277

2.428

0.016

1.57871

1.088

2.2915

Upper-middle-income economies

 < .001

5.141

3.628

7.286

 < .001

3.13992

2.095

4.7063

High-income economies

 < .001

4.12

2.618

6.483

0.028

1.79246

1.065

3.01685

Highest educational degree

Diploma

 < .001

3.154

1.773

5.613

0.174

1.64066

0.803

3.35076

Master’s degree

 < .001

2.087

1.47

2.963

0.544

1.21815

0.644

2.30252

Doctoral's degree

 < .001

5.478

3.774

7.952

0.003

3.14519

1.473

6.71655

Fellowship or Board

0.002

1.829

1.247

2.683

0.853

1.07394

0.505

2.28607

Seniority rank

Not resident (general practitioner)

0.082

1.308

0.967

1.769

0.711

1.06808

0.754

1.51274

Junior resident

0.003

1.65

1.184

2.301

0.364

1.20043

0.809

1.78048

Sub-senior Resident

0.206

1.366

0.842

2.217

0.906

0.96564

0.541

1.72256

Senior resident

 < .001

3.625

2.411

5.45

0.015

2.00518

1.147

3.50415

Specialist

 < .001

3.954

2.883

5.424

0.92

1.03912

0.49

2.20383

Consultant

 < .001

2.642

1.71

4.083

0.278

0.56589

0.202

1.5827

Working shifts/week

2–5 shifts/week

 < .001

2.638

1.854

3.753

0.04

1.55104

1.02

2.35897

More than 5 shifts/week

 < .001

3.234

2.176

4.805

0.027

1.75165

1.065

2.88012

Average working hours per week

40–80 h/week

 < .001

1.832

1.484

2.263

0.632

1.07061

0.809

1.41599

More than 80 h/week

 < .001

2.042

1.39

3.001

0.11

1.48884

0.913

2.42669

Knowledge score

 < .001

1.0897

1.0544

1.126

0.971

1.00075

0.961

1.04205

Attitude score

 < .001

1.5035

1.407

1.6066

 < .001

1.33863

1.243

1.44213

The practice followed regarding the influenza vaccine

Encourage and offer the influenza vaccine

 < .001

7.6014

5.5899

10.337

 < .001

5.73807

4.112

8.00735

Require, but do not offer the influenza vaccine

 < .001

5.0074

3.5995

6.966

 < .001

3.73686

2.591

5.38909

Require and offer the influenza vaccine

 < .001

8.5474

6.3022

11.593

 < .001

6.79509

4.883

9.45558