Table 5 Multivariate logistic regression model (continuation)

From: Lifestyles, environmental and phenotypic factors associated with lip cancer: a case–control study in southern Spain

 

Nondrinkers

Alcohol (first quartile)

Alcohol (second quartile)

Alcohol (third quartile)

Alcohol (fourth quartile)

  

(<217.281 cm 3 ) ethanol

<415 606 cm 3 ethanol

<853 114 cm 3 ethanol

⩾853 114 cm 3 ethanol

Do not leave the cigarette on the lip

1 (reference)

2.0

4.0

4.6

2.2

 

3 cases/29 controls

(0.40–12.0)

(1.01–23.0)

(1.2–26.1)

(0.4–11.2)

  

8 cases/41 controls

17 cases/41 controls

19 cases/40 controls

8 cases/40 controls

Leave the cigarette on the lip

Undefined

9.7

9.7

13.6

23.6

 

0 cases/10 controls

(1.8–64.0)

(1.8–64)

(2.8–84.0)

(3.9–142.0)

  

9 cases/9 controls

9 cases/9 controls

14 cases/10 controls

18 cases/10 controls

  1. OR for interaction terms: cumulative alcohol intake and leaving the cigarette on the lip; number of cases and controls in each cell and 95% CI; adjusted by age, tobacco, eye colour, warts, sun exposure during outdoor work in summer, age at first sunburn and years of study
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