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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Eur J Cancer Prev. 2010 Nov;19(6):431–465. doi: 10.1097/CEJ.0b013e32833d936d

Table 3.

Risk from Different Types of Alcohol on Oral Cavity and Pharyngeal Cancers

Ref
No.
Reference, study location
and period
Organ site
(ICD code)
Characteristics of
study population
Exposure
assessment
Exposure categories Relative
risk
95% CI Adjustme
nt factors
in study
design or
analysis
Comments
30 Blot, et al. (1988)
USA, 1984–85
Oral cavity and pharynx (ICD9 141, 143–146, 148, 149), excluding salivary gland and nasopharynx 1,114 (762 men, 352 women) cases identified from the population-based registries covering metropolitan Atlanta (Georgia), Los Angeles and Santa Clara and San Mateo counties (California), New Jersey; aged 18–79; pathologically confirmed; 75% response rate.

1,268 population controls from random-digit-dialing, aged 18–64, frequency matched on age, sex, race (black, white), 79% (under 65 yrs) and 76% (65+ yrs) response rate.
Interviewer-administered standardized questionnaire Hard liquor
< 1 drink/wk
1–4

5–14

15–29

30+

Beer
< 1 drink/wk
1–4

5–14

15–29

30+

Wine
< 1 drink/wk
1–4

5–14

15–29

30+
Men/Women
1/1
1.0/1.3

1.3/1.5

2.6/4.9

5.5/7.8


1/1
1.2/2.2

1.7/2.9

3.4/2.3

4.7/18.0


1/1
0.7/0.6

0.7/0.8

0.9/0.5

2.5/1.6
Men/Women

0.7–1.3 / 0.9–2.1
0.9–1.8 / 0.9–2.5
1.7–3.9 / 1.6–14.3
3.4–9.1 / 2.1–29.2


0.8–1.7 / 1.4–3.6
1.2–2.4 / 1.5–5.6
2.7–5.1 / 0.9–6.5
3.0–7.3 / 2.1–159.0


0.5–1.0 / 0.4–1.0
0.4–1.0 / 0.4–1.4
0.5–1.8 / 0.1–2.3
0.9–6.5 / 0.2–13.6
Age, race, study location, respondent status (self vs. proxy), smoking, other two types of alcoholic beverages;
40 Merletti, et al. (1989)
Torino, Italy, 1982–84
Oral cavity and oropharynx
(ICD9 140.3–140.5, 141, 143–146)
122 (86 men, 36 women) cases; histologically confirmed; 85% response rate.

606 (385 men, 221 women) population-based controls randomly selected from files of residents, stratified by age and sex; 55% response rate.
Interviewer-administered questionnaire Type of alcohol
Wine only
Beer

Aperitifs

Liquo
Men/Women
1/1
2.1/6.1

1.4/0.4

0.7/0.8
Men/Women

1.1–4.0 / 1.4–26.5
0.7–2.6 / 0.1–1.7
0.4–1.4 / 0.3–2.3
Age, education, area of birth, smoking habits, alcohol consumption
29 Barra, et al. (1990)
Milan & Pordenone, Italy 1986–90
Oral cavity and pharynx 305 (all men), median age=58 yrs, histologically confirmed; 2% refusal rate

1621 (all men) hospital-based controls, median age=57 yrs, matched by area of residence and age; excluded patients of alcohol and tobacco-related conditions; 3% refusal rate.
Interviewer-administered standardized questionnaire Wine only
≤20 glass wine/wk
21–55 drinks/wk
56–83
≥84

Wine and beer
≤20 glass wine/wk
21–55 drinks/wk
56–83
≥84

Wine and spirits
≤20 glass wine/wk
21–55 drinks/wk
56–83
≥84

1
1.9
7.3
11.2


1
0.7
3.9
7.4


1
1.1
3.5
9.9


1.0–3.4
3.8–14.1
3.8–33.1



0.2–2.5
1.6–9.6
3.2–17.3



0.5–2.4
1.7–6.9
4.3–22.7
Age, area of residence, occupation, smoking and drinking habits
17 Franceschi, et al. (1990)
Milan & Pordenone, Italy, 1986–89
Oral cavity
(ICD9 140, 141, 143–145)


















Pharynx, hypopharynx/
larynx junction included
(ICD9 146, 148, 161.1)
157 male controls, below age 75 yrs; histologically confirmed; response rate 98% overall for cases.

1272 hospital-based non-cancer male controls from same hospitals as cases matched on age and area of residence; excluded patients of alcohol and tobacco-related conditions; response rate 97%.








134 male cases, below age 75 yrs; histologically confirmed; response rate 98% overall for cases.
Interviewer-administered questionnaire Wine
0–20 glasses/week
21–34
35–55
56–83
84+
χ2 for trend

Beer
0 glasses/week
1–13
14+
χ2 for trend

Hard liquor
0 glasses/week
1–6
7+
χ2 for trend

Wine
0–20 glasses/week
21–34
35–55
56–83
84+
χ2 for trend

Beer
0 glasses/week
1–13
14+
χ2 for trend

Hard liquor
0 glasses/week
1–6
7+
χ2 for trend

1
1.1
1.9
4.9
8.5
47.68



1
1.0
0.8
0.30


1
0.7
0.9
0.66



1
0.7
1.9
3.1
10.9
46.44


1
0.5
0.9
0.47



1
0.4
1.2
0.24


0.5–2.3
0.9–3.7
2.6–9.5
3.6–20.2
p<0.01




0.6–1.8
0.5–1.4
NS



0.4–1.3
0.6–1.3
NS




0.3–1.6
0.9–3.7
1.6–6.1
4.7–25.3
p<0.01



0.3–1.0
0.5–1.5
NS




0.2–0.9
0.8–1.8
NS
Age, area of residence, education, occupation, smoking habits
20 Zheng, et al. (1990)
Beijing, China (PRC), 1988–89
Oral cavity (ICD9 141, 143–145) 404 (248 men, 156 women) cases diagnosed at seven participating hospitals in the Beijing area; histologically confirmed; 100% response rate.

404 randomly selected non-cancer hospital-based controls, individually matched on age, sex, hospital; 100% response rate.
Interviewer-administered questionnaire Type of alcohol
Never drinker
Spirits only
Beer/wine only
Mixed

1
1.46
1.00
1.13


0.93–2.28
0.33–3.08
0.45–2.80
Age, sex, education, smoking
28 Barra, et al. (1991)
Pordenone, Italy, 1985–90
Oral cavity and pharynx 272 (236 men, 36 women) cases, median age=60 yrs, histologically confirmed; 3% refusal rate.

1,884 (1122 men, 762 women) non-cancer, hospital-based controls, median age=58 yrs, matched by area of residence and age; excluded patients of alcohol and tobacco-related conditions; 3% refusal rate for each group.
Interviewer-administered standardized questionnaire Wine
≤20 drinks/wk
21–34
35–55
56–83
≥84
χ2 for trend

Beer
0 drinks/wk
1–13
≥14
χ2 for trend

Spirits
0 drinks/wk
1–13
≥14
χ2 for trend

1
1.7
3.3
6.8
15.6
107.9



1
0.7
1.4
1.5


1
0.8
1.6
1.1


1.0–3.1
1.8–5.9
3.9–12.1
8.2–29.7
p<0.01




0.4–1.0
1.0–1.9
NS



0.6–1.1
1.1–2.3
NS
Age, sex, education, occupation, tobacco
39 Mashberg, et al. (1993)
New Jersey, USA, 1972–83
Oral cavity and oropharynx 359 white and black male veterans with invasive cancer and in situ carcinoma identified in the Department of Veterans Affairs Medical Center; median age: 57 yrs; histologically confirmed

2,280 white or black male patients from the same center as cases of the same age range as cases (37–80 yrs); median age:58 yrs; excluding patients with cancer or dysplasia of the pharynx, larynx, lung, esophagus
Interviewer-administered questionnaire Type of alcohol
Minimal drinking
Mixed consumption
Whiskey only
Whiskey predominantly
Beer only
Beer predominantly

1
8.3
3.8
5.3
2.6
8.3


4.7–14.8
1.8–8.1
1.1–26.3
1.3–5.2
3.4–20.2
Age, race, tobacco smoking, average total alcohol consumption
53 Ng, et al. (1993)
USA, 1977–91
Oral cavity and pharynx (ICD9 141, 143–146, 148, 149) 173 (73 men, 100 women) white non-smoking cases in 8 US cities; histologically confirmed

613 (254 men, 359 women) hospital-based controls matched (up to 4:1 control:case) on age, sex, date of interview; excluded patients with tobacco related conditions
Men
Beer
Non-drinker
<1 OWE1/day
1–2.9
3+
χ2 for trend

Wine
Non-drinker
<1 OWE1/day
1–2.9
3+
χ2 for trend

Liquor
Non-drinker
<1 OWE1/day
1–2.9
3+
χ2 for trend

Women
Beer
Non-drinker
<1 OWE1/day
1+
χ2 for trend

Wine
Non-drinker
<1 OWE1/day
1+
χ2 for trend

Liquor
Non-drinker
<1 OWE1/day
1+
χ2 for trend


1
1.9
2.6
5.1
13.6



1
0.9
1.5
1.6
0.01



1
1.1
2.0
0.4
0.25




1
0.68
0.78
0.96



1
0.71
0.98
0.23



1
2.87
1.13
1.93



0.9–3.8
1.1–5.9
1.8–14.2
p<0.001




0.5–1.8
0.5–4.9
0.0–29.7
NS




0.6–2.2
0.7–5.3
0.0–7.1
NS





0.10–4.93
0.35–1.75
NS




0.14–3.59
0.54–1.77
NS




0.90–9.18
0.60–2.13
NS
1OWE: ounces of whiskey equivalent
12 Day, et al. (1994)
USA, 1984–85
Oral cavity, pharynx, esophagus, larynx 80 (56 men, 24 women) with second primary cancers from cohort of 1, 090 first primary cancers).

189 (132 men, 57 women) randomly selected from cohort that were free of second primary cancer at the end of follow-up (1989).
Interviewer-administered standardized questionnaire Beer
< 1 drink/wk
1–14
≥15

Liquor
< 1 drink/wk
1–14
≥15

Wine
< 1 drink/ wk
≥ 1

1
2.4
3.8


1
1.2
0.4


1
0.6


0.8–7.1
1.2–12.0



0.5–2.9
0.1–1.1



0.2–1.3
Age at first cancer diagnosis, stage of first cancer, lifetime smoking, other two types of alcoholic beverages
35 Kabat, et al. (1994)
USA, 1977–90
Oral cavity and pharynx (excluding nasopharynx) 1,560 (1,097 men, 463 women) cases enrolled in 28 hospitals in 8 US cities.

2,948 (2,075 men, 873 women) hospital-based controls matched on age, sex, race, hospital, date of interview.
Interviewer-administered standardized questionnaire (In oz. of whiskey equivalents/day)
Beer
Non-drinker
Occasional

1–2.9 oz/day

4–6.9

7+

Wine
Non-drinker
Occasional

1–2.9 oz/day

4–6.9

7+

Hard liquor
Non-drinker
Occasional

1–2.9 oz/day

4–6.9

7+
Men/Women


1/1
1.5/1.3

2.5/1.9

4.1/3.6

5.3/--


1/1
0.8/0.8

1.3/0.8

1.0/2.7

2.7/--


1/1
1.0/1.1

1.7/1.9

2.6/7.6

3.1/--
Men/Women



1.2–1.9 / 1.0–1.9
2.0–3.3 / 1.1–3.1
2.9–5.7 / 1.7–7.5
4.0–7.0 / ---



0.7–1.0 / 0.6–1.1
0.9–1.7 / 0.5–1.4
0.5–2.3 / 1.0–7.7
1.6–4.6 / ---



0.8–1.3 / 0.8–1.5
1.4–2.3 / 1.2–2.9
1.8–3.7 / 3.9–14.8
2.4–4.1 / ---
Age, education, smoking, race, time period, type of hospital 1 oz WE =10.2 g of alcohol
4 Chyou, et al. (1995)
Hawaii, USA
Oral cavity, pharynx, esophagus, larynx (ICD8 140–150, 161) Cohort of 7,995 men of Japanese ancestry, aged 45–68 yrs; recruitment from 1965–68, incidence follow-up until 1993; 1–2% lost to follow-up. Interviewer-administered questionnaire Beer
Alcohol non-drinker
<49 oz/month
49–360
361+
p for trend

Wine
Alcohol non-drinker
≤4 oz/month
>4
p for trend

Spirits
Alcohol non-drinker
≤4 oz/month
>4
p for trend

1
0.67
1.91
3.66



1
2.54
3.80



1
1.59
3.61


0.25–1.82
0.97–3.75
2.01–6.69
<0.0001



1.15–5.60
1.76–8.18
0.0001



0.80–3.15
1.98–6.58
<0.0001
Age, number of cigarettes/day, years smoked
19 Zheng, et al. (1997)
Beijing, China (PRC), 1988–89
Tongue 111 (65 men, 46 women) cases diagnosed at seven participating hospitals in the Beijing area; aged 20–80 yrs; histologically confirmed.

111 randomly selected non-cancer hospital-based controls, individually matched on age, sex, hospital
Interviewer-administered questionnaire Type of alcohol
None
Spirits only
Beer/Wine

1
1.15
1.17


0.28–4.02
0.56–2.42
Education, smoking (age and sex matched on)
5 Kjaerheim, et al. (1998)
Norway
Oral cavity, pharynx, larynx, esophagus
(ICD7 141, 143–145, 147–148, 150, 161)
Cohort of 10,960 men born from 1893–1929 who completed 2 questionnaires sent to a probability sample of the Norwegian population; incidence follow-up 1968–1992 Mailed survey Beer
Never or <1 time/week
Previously
1–3 times/week
4–7
p for trend

Spirits
Never or <1
time/week
Previously
1–3 times/week
4–7
p for trend

1
1.0
1.4
4.4



1

1.3
1.4
2.7


0.5–1.9
0.7–3.1
2.4–8.3
<0.001




0.7–2.3
0.6–3.6
1.1–7.0
0.06
Age, smoking
46 Schildt, et al. (1998)
Sweden, 1980–89
Oral cavity
(ICD7 140, 141, 143–145)
354 (237 men, 117 women) cases from 4 most northen counties in Sweden (Norrbotten, Vasterbotten, Jamtland, Vasternorrland) reported to the Cancer Registry (175 living, 235 deceased); histologically confirmed; 96% response rate.

354 (237 men, 117 women) population controls from the National Population Registry individually matched on age, sex, county; 91% response rate.
Self-completed questionnaire Type of alcohol1
Light beer
Beer
Wine
Liquor

Amount*frequency score-
Wine
Low
Medium
High

Liquor
Low
Medium
High

1.2
1.5
1.0
1.5





1.3
0.9
8.6


1.3
1.6
3.6

0.7–1.7
0.7–3.2
0.6–1.5
0.9–2.3





0.9–1.8
0.5–1.8
1.0–70.0


0.9–2.0
1.0–2.7
1.8–7.2
1Snuff and smoking in addition to types of alcohol listed
33 Garrote, et al. (2001)
Havana, Cuba, 1996–99
Oral cavity and oropharynx 200 (143 men, 57 women) cases identified in the Instituto Nacional de Oncologia y Radiobiologia (INOR) of Havana; median age 64 yrs; 88% response rate.

200 (136 men, 64 women) hospital-based controls admitted to INOR and 3 other major hospitals in Havana; excluded patients of alcohol and tobacco-related conditions; frequency matched on age and sex; median age 62 yrs; 79% response rate.
Interviewer (dentist)-administered questionnaire Hard liquor
0 drinks/week
1–7
8–20
21–69
≥70
χ2 for trend

Beer
0 drinks/week
<7
≥7
χ2 for trend

Wine
0 drinks/week
<2
≥2
χ2 for trend

1
1.3
1.0
4.2
5.1
4.58



1
1.5
1.5
0.85


1
1.0
0.8
0.15


0.5–3.3
0.4–2.4
1.1–16.5
1.1–23.3
p<0.05




0.6–3.9
0.5–4.6
p=0.36



0.4–2.4
0.2–3.2
p=0.70
Age, sex, area of residence, education, smoking, other two types of alcohol
47 Schlecht, et al. (2001)
Brazil, 1986–89
Oral cavity excluding salivary gland (ICD9 140–141, 143–145)


























Pharynx excluding nasopharynx (ICD9 146, 148–149)
373 cases selected from hospitals in Sao Paulo, Curitiba, Goiania; histopathologically confirmed.

1578 hospital-based non-cancer controls matched (2:1 controls:case) on age, sex, hospital area, admission period.



















217 cases selected from hospitals in Sao Paulo, Curitiba, Goiania; histopathologically confirmed.

1578 hospital-based non-cancer controls matched (2:1 controls:case) on age, sex, hospital area, admission period.
Interviewer-administered questionnaire Beer
Non-drinker
1–10 kg
11–100
>100
Other than beer

Wine
Non-drinker
1–10 kg
11–100
>100
Other than wine

Hard liquor
Non-drinker
1–10 kg
11–100
>100
Other than hard liquor

Cachaca
Non-drinker
1–10 g
11–100
101–500
501–1000
1001–2000
>2000
Other than cachaca

Beer
Non-drinker
1–10 g
11–100
>100
Other than beer

Wine
Non-drinker
1–10 g
11–100
>100
Other than wine

Hard liquor
Non-drinker
1–10 g
11–100
>100
Other than hard liquor

Cachaca
Non-drinker
1–10 g
11–100
101–500
501–1000
1001–2000
>2000
Other than cachaca

1
3.6
2.8
3.7
3.1


1
3.4
4.3
3.0
2.9


1
3.3
3.1
6.9
3.2


1
1.4
2.0
4.5
7.2
8.7
9.9
3.7


1
3.2
3.4
1.1
3.1


1
3.1
2.8
3.0
3.6


1
4.1
4.6
2.5
3.1


1
2.8
2.9
5.4
9.2
14.3
12.5
2.1


1.9–7.0
1.4–5.6
1.4–10.3
1.6–5.8



1.8–6.5
1.9–10.1
1.2–7.3
1.6–5.5



1.3–8.2
1.5–6.6
2.8–17.1
1.7–5.8



0.4–5.4
1.0–4.2
2.2–9.2
3.5–14.7
4.3–17.6
3.8–25.5
1.8–7.8



1.1–9.2
1.1–10.4
0.3–4.1
1.0–9.2



1.0–9.2
0.8–9.4
0.8–11.1
1.3–10.5



1.0–17.7
1.5–14.1
0.7–9.8
1.1–8.8



0.4–19.6
0.9–9.1
1.7–17.5
2.9–29.3
4.4–45.8
2.9–53.7
0.6–7.8
Tobacco smoking, remaining alcohol consumption, income, education, race, beverage temperature, religion, wood stove use, spicy food (matched variables: age, sex, study location, admission period)



Oral cavity and pharynx

395 cases/391 controls
restricted to smokers
only.


Drinking status
Current drinkers
Former drinkers
Never drinkers


1
0.77
0.37



0.3–2.0
0.1–0.9


21 Znaor, et al. (2003)
Chennai & Trivandrum, India, 1993–99
Oral cavity
(ICD9 140, 141, 143–5)













Pharynx
(ICD9 146, 148, 149)
1563 male cases from the Cancer Institute (Chennai) and the Regional Cancer Center (Trivandrum); histologically confirmed

1,711 male patients with non-tobacco-related cancers from same centers as cases and 1927 healthy male hospital visitors from only Chennai

636 male cases from the Cancer Institute (Chennai) and the Regional Cancer Center (Trivandrum); histologically confirmed.
Interviewer-administered questionnaire Type of alcohol
Never drinkers
Arrack only
Country liquor only
Spirits only
Cliq/arrac+spirits only
Cliq/arrac+spirits+toddy only








Type of alcohol
Never drinkers
Arrack only
Country liquor only
Spirits only
Cliq/arrac+spirits only
Cliq/arrac+spirits+toddy only

1
7.19
1.73
1.04
2.12
1.80










1
3.91
2.53
1.14
2.42
2.89


5.11–10.12
1.30–2.32
0.78–1.38
1.33–3.40
1.32–2.46











2.49–6.16
1.78–3.60
0.79–1.65
1.37–4.26
2.00–4.17
Age, center, education, smoking, and alcohol consumption
27 Altieri, et al. (2004)
Itlay and Switzerland, 1992–97
Oral cavity and pharynx 749 (634 men, 115 women) cases from Pordenone, Rome, Latina (Italy) and Vaud (Switzerland) admitted to major teaching and general hospitals in area under surveillance; aged 22–77; histologically confirmed.

1,772 (1,252 men, 520 women) hospital-controls from the same network of hospitals as cases; aged 20–78 yrs; excluded patients of alcohol and tobacco-related conditions
Interview-administered structured questionnaire Wine
Non-wine drinkers
1–2 drinks/day
3–4
5–7
8–11
12+
χ2 for trend

Beer
Non-beer drinkers
1–2
3+
χ2 for trend

Spirits
Non-spirit drinkers
1–2
3+
χ2 for trend


1
2.2
7.1
11.8
16.1
221.83



1
1.2
2.3
9.86


1
1.0
1.9
1.14



1.6–3.0
5.0–10.1
8.1–17.2
10.2–25.3
p<0.0001




1.0–1.5
1.4–3.7
0.02



0.8–1.2
1.1–3.3
0.29
Age, sex, study center, education, smoking habit, and other types of alcohol
31 Castellsague, et al. (2004)
Spain, 1996–99
Oral cavity and oropharynx
(ICDO C1–C10)
375 (304 men, 71 women) cases identified from hospitals in Granada (1), Sevilla (1), Barcelona (2); mean age 60 yrs; histologically confirmed; 76.5% response rate.

375 (304 men, 71 women) non-cancer hospital-controls from same hospitals as cases, frequency matched on age and sex, mean age 60 yrs; excluded patients with alcohol and tobacco-related diagnoses; 91% response rate
Interviewer-administered standardized questionnaire in hospital Type of alcohol
Never drinkers
Only beer
Only wine and beer
Only wine
Spirits w/t wine or beer
p for trend

1
1.16
1.96
2.71
7.28


0.47–2.82
0.96–3.99
1.31–5.60
3.65–14.52
<0.0001
Age group, sex, education, tobacco smoking, center, and daily consumption of pure ethanol
25 De Stefani, et al. (2004)
Montevideo, Uruguay, 1997–2003
Hypophyranx 85 males cases identified in the four major hospitals in Montevideo; microscopically confirmed; 97.5% response rate.

640 hospital-based male controls from the same hospitals as cases; excluded patients of alcohol and tobacco-related conditions with no recent changes in diet; frequency matched (2:1 controls:cases) on age and residence; 97% response rate
Interviewer-administered questionnaire Beer
Beer abstainers
1–60 ml ethanol/day
61+
p for trend

Red wine
Wine abstainers
1–60
61–120
121+
p for trend

Hard liquor
Liquor abstainers
1–60
61–120
121+
p for trend

1
0.8
0.2



1
2.3
5.2
4.5



1
0.9
2.2
3.3


0.3–1.9
0.1–1.1
0.08



0.9–5.5
2.2–12.4
1.9–10.8
0.0001



0.4–1.9
0.9–5.2
1.6–6.8
0.0008
Age, residence, urban/rural status, education, BMI, smoking, and other two type of alcohols
16 De Stefani, et al. (2007)
Montevideo, Uruguay, 1988–2000
Oral cavity (excluding lip)



















Pharynx (excluding nasopharynx
335 males cases identified in the four major hospitals in Montevideo; microscopically confirmed; 97% response rate.

1501 hospital-based non-cancer male controls; excluded patients of alcohol and tobacco-related conditions with no recent changes in diet; 97% response rate.





441 males cases identified in the four major hospitals in Montevideo; microscopically confirmed; 97% response rate.
Interviewer-administered questionnaire Beer
Beer abstainers
1–22 ml ethanol/day
23+
p for trend

Wine
Wine abstainers
1–60
61–120
121+
p for trend

Hard liquor
Liquor abstainer
1–60
61–120
121+
p for trend


Beer
Beer abstainers
1–22 ml ethanol
23+
p for trend

Wine
Wine abstainers
1–60
61–120
121+
p for trend

Hard liquor
Liquor abstainer
1–60
61–120
121+
p for trend

1
0.5
0.4



1
0.8
1.5
1.4



1
0.8
1.8
1.4




1
0.8
0.3



1
1.1
2.7
2.5



1
0.9
1.6
0.9


0.3–0.9
0.2–0.9
0.004



0.6–1.2
1.0–2.1
0.9–2.4
0.03



0.6–1.2
1.2–2.7
0.8–2.2
0.03




0.4–1.3
0.2–0.7
0.001



0.8–1.5
1.9–3.8
1.6–3.9
<0.0001



0.7–1.3
1.1–2.3
0.5–1.4
0.5
Age, residence, urban/rural status, hospital, year of diagnosis, education, family history of cancer, occupation, vegetable and fruit consumption, mate, smoking, total alcohol intake
48 Purdue, et al. (2009)
International Consortium of Head and Neck Cancer.
Combined analysis of 15 studies from US, South and Central American, European countries
Oral cavity, pharynx, oro-pharynx, hypo-pharynx
oral cavity or pharynx not otherwise specified, larynx, and head and neck cancer unspecified (excluding salivary gland)
858 cases and 986 controls of beer-only drinkers.

1124 cases and 3487 controls of never drinkers

499 cases and 527 controls of liquor-only drinkers.






1021 cases and 2460 controls of wine-only drinkers.
Interview or self-administrated questionnaire Beer-only drinkers
Never drinkers
≤5 drinks1/week
6–15
16–30
30+
p for trend

Liquor-only drinkers
Never drinkers
≤5 drinks1/week
6–15
16–30
30+
p for trend

Wine-only drinkers
Never drinkers
≤5 drinks1/week
6–15
16–30
30+
p for trend

1
1.6
1.9
2.2
5.4




1
1.6
1.5
2.3
3.6



1
1.1
1.2
1.9
6.3


1.3–2.1
1.4–2.7
1.3–3.5
3.1–9.2
<0.0001




1.0–2.6
1.0–2.4
1.4–4.0
2.2–5.8
<0.0001



0.8–1.6
0.8–1.9
0.9–3.9
2.2–18.6
<0.0001
Age, sex, race/ethnicity, education, study center, smoking pack-years, years of cigar smoking, years of pipe smoking 1ethanol-standardized drinks