Table 2 Univariate logistic regression analyses in participants with failed eradication of H. pylori.

Gender

Female

1

(Reference)

0.504

Male

1.297

0.605–2.781

Age (years)

 − 64

1

(Reference)

0.313

65–

0.668

0.618–4.500

Smoking habits

Absence

1

(Reference)

0.372

Presence

1.629

0.558–4.753

Amount of drinking

Not heavy

1

(Reference)

0.668

Heavy

1.208

0.509–2.865

Hypertension

Absence

1

(Reference)

0.992

Presence

0.989

0.112–8.715

Diabetes

Absence

1

(Reference)

0.662

Presence

1.667

0.169–16.467

Regular dental checkups

Absence

1

(Reference)

0.156

Presence

0.601

0.297–1.215

Brushing frequency ≥ 2 times/day

Absence

1

(Reference)

0.025

Presence

0.394

0.175–0.889

Gingival bleeding

Absence

1

(Reference)

0.080

Presence

1.873

0.928–3.780

Periodontal pocket depth ≥ 4 mm

Absence

1

(Reference)

0.892

Presence

0.952

0.466–1.943

Decayed teeth

Absence

1

(Reference)

0.004

Presence

3.240

1.406–7.468

Filled teeth

Absence

1

(Reference)

0.186

Presence

0.292

0.047–1.810

Missing teeth

Absence

1

(Reference)

0.133

Presence

1.712

0.849–3.450

Number of present teeth ≥ 28 teeth

Absence

1

(Reference)

0.833

Presence

0.924

0.442–1.929

Medication history

Absence

1

(Reference)

0.772

Presence

1.144

0.462–2.830