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Table 5 Risks of oral cavity cancer related to family history of cancer in first-degree relatives stratified by tobacco smoking and alcohol drinking

From: Family history of cancer, personal history of medical conditions and risk of oral cavity cancer in France: the ICARE study

 

Any first-degree relative

 

History of cancer (any site)

History of head and neck cancer

 

No

Yes

OR (95% CI)

§No

Yes

OR (95% CI)

 

Cases/controls

Cases/controls

 

Cases/controls

Cases/controls

 

Smoking

      

Never

19/563

27/559

1.1 (0.6-2.1)

35/994

6/51

2.4 (1.0-7.0)

Ever

231/1002

306/1030

1.3 (1.1-1.5)

427/1785

58/104

2.7 (1.8-3.4)

Drinking

      

≤2 glasses/day

75/961

75/954

0.9 (0.6-1.4)

123/1704

11/88

1.9 (1.0-3.5)

>2 glasses/day

167/597

254/631

1.4 (1.0-1.8)

329/1066

52/67

2.6 (1.2-3.3)

Smoking & drinking

     

NS & D ≤2 glasses/day

16/412

17/425

0.9 (0.4-1.9)

30/740

1/39

1.2 (0.3-4.7)

ES & D ≤2 glasses/day

59/548

58/526

0.9 (0.6-1.4)

93/962

10/47

1.6 (1.0-3.9)

NS & D >2 glasses/day

3/147

8/129

2.7 (0.6-11.6)

5/248

4/10

18.8 (2.9-119.8)

ES & D >2 glasses/day

164/449

246/499

1.4 (1.0-1.8)

324/815

48/57

2.1 (1.3-2.9)

  1. OR adjusted for age, gender, area of residence, education level, tobacco smoking (duration, quantity and status), alcohol drinking (quantity) and BMI two years before the interview.
  2. NS = never smoking; ES = ever smoking; D = drinking.
  3. Reference category: no history of cancer (any site) in first-degree relatives.
  4. §Reference category: no history of head and neck cancer in first-degree relatives.