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Table 2 Univariable regression analysis of the variables associated with the presence of headache. Differing denominators indicate subgroup analyses

From: Factors associated to the presence of headache in patients with influenza infection and its consequences: a 2010–2020 surveillance-based study

Variable

Type of analysis

Odds ratio

95% CI lower bound

95% CI upper bound

P value

FDR-adjusted P value

Female sex

Univariable

1.092

0.994

1.200

0.068

 

Multivariable

1.134

1.023

1.257

0.017

0.034

Cardiovascular disorders

Univariable

0.976

0.721

1.323

0.878

 

Diabetes

Univariable

2.044

1.448

2.884

 < 0.001

 

Multivariable

1.211

0.841

1.743

0.303

0.428

COPD

Univariable

1.777

1.037

3.045

0.036

 

Multivariable

1.209

0.685

2.138

0.514

0.633

Cancer

Univariable

1.489

0.845

2.623

0.168

 

Multivariable

1.050

0.574

1.923

0.873

0.873

Kidney disorders

Univariable

2.915

0.858

9.905

0.086

 

Multivariable

1.922

0.529

6.985

0.321

0.428

Hepatic disorders

Univariable

1.212

0.38

3.869

0.745

 

Obesity

Univariable

1.687

0.948

3.003

0.075

 

Multivariable

1.171

0.628

2.185

0.620

0.709

Smoking habit

Univariable

1.163

0.91

1.486

0.228

 

Vaccination

Univariable

0.973

0.771

1.226

0.814

 

Onset within 48 h

Univariable

1.253

1.139

1.379

 < 0.001

 

Epidemiological contact

Univariable

1.232

1.117

1.36

 < 0.001

 

Multivariable

1.070

0.960

1.193

0.220

0.352

Sudden onset

Univariable

2.098

1.751

2.514

 < 0.001

 

Multivariable

1.359

1.100

1.680

0.004

0.010

Fever

Univariable

2.012

1.646

2.460

 < 0.001

 

Multivariable

1.500

1.180

1.907

0.001

0.003

Shivering

Univariable

3.404

3.082

3.76

 < 0.001

 

Multivariable

1.920

1.713

2.152

 < 0.001

 < 0.001

Asthenia

Univariable

3.572

3.203

3.983

 < 0.001

 

Multivariable

1.955

1.728

2.212

 < 0.001

 < 0.001

Myalgia

Univariable

4.170

3.768

4.614

 < 0.001

 

Multivariable

2.723

2.427

3.055

 < 0.001

 < 0.001

Cough

Univariable

1.261

1.106

1.437

0.001

 

Multivariable

0.984

0.846

1.144

0.834

0.873

Dyspnea

Univariable

1.256

1.062

1.486

0.008

 

Multivariable

0.831

0.691

0.999

0.049

0.087

Nasopharyngeal erythema

Univariable

1.681

1.468

1.925

 < 0.001

 

Multivariable

1.494

1.280

1.745

 < 0.001

 < 0.001

Gastrointestinal symptoms

Univariable

1.215

1.09

1.354

 < 0.001

 

Multivariable

1.174

1.043

1.321

0.008

0.018

Sample

Univariable

1.067

0.959

1.187

0.235

 

Confirmed infection

Univariable

1.01

0.842

1.212

0.914

 

A subtype

Univariable

1.046

0.895

1.223

0.573

 

B subtype

Univariable

1.088

0.872

1.358

0.456

 
  1. CI Confidence interval, COPD Chronic obstructive pulmonary disease, FDR False discovery rate. Values in bold denotes statistical signification
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The Journal of Headache and Pain

ISSN: 1129-2377

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