Table 3 Hazard ratios in Indigenous and non-Indigenous people among various tumour sites

Ethnicity

1.568

1.352–1.817

 < 0.0001

Reference

 < 0.0001

Tumour site

 Buccal Mucosa and Vestibule

1.764

0.393–7.912

0.459

1.601

1.377–1.861

 < 0.0001

 Floor of Mouth

1.338

0.475–3.770

0.582

1.475

1.337–1.627

 < 0.0001

 Gingiva

Reference

0.894

1.293

1.127–1.483

 < 0.0001

 Hard & Soft Palate

1.107

0.356–3.441

0.861

1.897

1.688–2.131

 < 0.0001

 Labial Commissure

-

-

-

1.267

0.699–2.299

0.435

 Mouth

39.813

6.587–240.626

 < 0.001

1.855

1.442–2.386

 < 0.0001

 Oropharynx

1.644

0.539–5.013

0.382

2.555

2.219–2.942

 < 0.0001

 Retromolar

2.102

0.523–8.456

0.295

1.695

1.462–1.966

 < 0.0001

 Tongue

1.161

0.424–3.185

0.771

1.262

1.167–1.365

 < 0.0001

 Tonsil

0.868

0.307–2.451

0.789

Reference

 < 0.0001

 Overlapping lesion of lip, oral cavity and pharynx

14.264

2.530–80.433

0.003

1.975

1.395–2.796

 < 0.0001