Table 2 Multiple logistic regression with GEE model to analyze the factors influencing whether the dentist would prefer to refer the patient to someone else for treatment or not when faced with peri-implant diseases

Gender

 Female (reference)

1

–

 Male

0.781

0.389 – 1.572

0.489

Age

0.980

0.922 – 1.042

0.521

Years of practice

  ≤ 10 years (reference)

1

–

  > 10 years

0.839

0.256 – 2.745

0.771

Location of occupation, N (%)

 Local clinics

1

–

 Hospitals

0.890

0.329 – 2.405

0.819

 Medical centers

1.524

0.711 – 3.265

0.278

Specialty

 NPD (reference)

1

–

 Periodontist

0.412

0.225 – 0.755

0.004*

Resource of patient

 Other doctor-treated (reference)

1

–

 Self-treated

0.010

0.005 – 0.020

 < 0.001*

Peri-implant disease

 Peri-implant mucositis (reference)

1

–

 Peri-implantitis

1.860

1.318 – 2.625

 < 0.001*