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Table 3 Multivariate logistic regression analysis of associated factors and reflux esophagitis

From: What is the impact of metabolic syndrome and its components on reflux esophagitis? A cross-sectional study

Variables

Model 1

Model 2

Model 3

Adjusted OR α

95% CI

p-value

Adjusted OR ß

95% CI

p-value

Adjusted OR γ

95% CI

p-value

Age

< 65 years

 

1.000

 

1.000

 

≥65 years

1.649

1.328–2.048

< 0.001**

1.499

1.203–1.868

< 0.001**

Gender

Female

1.000

 

1.000

 

Male

1.317

1.136–1.527

< 0.001**

1.345

1.159–1.560

< 0.001**

BMI (mean ± SD)

 

1.025

1.004–1.047

0.018*

 

Uric acid (mean ± SD)

1.090

1.037–1.145

0.001*

1.096

1.044–1.151

< 0.001**

Smoking

No

1.000

 

1.000

 

1.000

 

Yes

1.443

1.207–1.724

< 0.001**

1.272

1.055–1.533

0.012*

1.294

1.072–1.561

0.007*

Alcohol consumption

No

1.000

 

1.000

 

1.000

 

Yes

1.382

1.183–1.615

< 0.001**

1.286

1.092–1.514

0.003*

1.263

1.072–1.488

0.005*

Betel nuts chewing

No

1.000

 

Yes

1.211

0.816–1.795

0.342

 

Hypertension history

No

1.000

 

Yes

1.201

1.036–1.393

0.015*

 

Diabetes history

No

1.000

 

Yes

1.433

1.182–1.736

< 0.001**

 

H. pylori infection

No

1.000

 

Yes

1.174

0.890–1.550

0.257

 

Hiatal hernia

No

1.000

 

1.000

 

1.000

 

Yes

8.230

2.978–22.745

< 0.001**

7.420

2.677–20.567

< 0.001**

7.490

2.699–20.786

< 0.001**

Abdominal obesity

No

1.000

 

1.000

 

Yes

1.352

1.186–1.542

< 0.001**

 

1.173

1.020–1.349

0.026*

Elevated TG

No

1.000

 

Yes

1.171

1.022–1.343

0.023*

 

Elevated BP

No

1.000

 

1.000

 

Yes

1.197

1.056–1.356

0.005*

 

1.163

1.023–1.323

0.021*

Hyperglycemia

No

1.000

 

1.000

 

Yes

1.306

1.144–1.492

< 0.001**

 

1.306

1.142–1.495

< 0.001**

MetS

No

1.000

 

1.000

 

Yes

1.411

1.233–1.616

< 0.001**

1.251

1.071–1.462

0.005*

 

MetS components

0

1.000

 

1

1.175

0.996–1.386

0.056

 

2

1.209

1.014–1.441

0.034*

3

1.615

1.325–1.968

< 0.001**

4

1.603

1.259–2.040

< 0.001**

5

1.514

1.072–2.139

0.018*

  1. Adjusted OR are calculated by N (%) for categorical variables and by mean ± SD for continuous variables using multivariate logistic regression analysis. α Each variable was adjusted for age and gender in the model 1; ß All variables in the model 2 were controlled by each other; γ All variables in the model 3 were controlled by each other
  2. * p < 0.05; ** p < 0.001
  3. BMI body mass index, BP blood pressure, CI confidence interval, H. pylori Helicobacter pylori, MetS metabolic syndrome, N number of patients, SD standard deviation, OR odds ratio, TG triglycerides
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BMC Gastroenterology

ISSN: 1471-230X

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