Short Communication
Intake of Alcohol and Alcoholic Beverages and the Risk of Basal Cell
Carcinoma of the Skin
1
Teresa T. Fung,
2
David J. Hunter, Donna Spiegelman,
Graham A. Colditz, Eric B. Rimm, and Walter C. Willett
Department of Nutrition, Simmons College [T. T. F.]; Departments of
Nutrition [T. T. F., E. B. R., W. C. W.], Epidemiology [D. J. H., D. S.,
G. A. C., E. B. R., W. C. W.], Biostatistics [D. S.], and the Harvard Center
for Cancer Prevention [D. J. H., G. A. C., W. C. W.], Harvard School of
Public Health; and Channing Laboratory, Department of Medicine, Bringham
and Women’s Hospital and Harvard School of Medicine [D. J. H., G. A. C.,
W. C. W.], Boston, Massachusetts 02115
Abstract
We prospectively examined the intake of alcoholic
beverages in relation to the risk of basal cell carcinoma
BCC in two large cohorts of men and women. Alcohol
intake was assessed with food frequency questionnaires
every 2– 4 years, and BCC was ascertained by self-report.
We used a pooled logistic regression to model the
association between alcohol intake and BCC adjusting for
various health, sun exposure, and sun-sensitivity factors.
During 8 years of follow-up in women (1986 –1994) we
recorded 3060 cases of BCC, and during 10 years (1986 –
1996), we recorded 3028 cases in men. Significant positive
associations were observed between total alcohol intake
(P for trend <0.0001), alcohol from liquor (P for trend
0.003), and white wine (P for trend 0.01) intake and
risk of BCC. Compared with those who abstained, those
who drank 0.1– 4.9 g, 5.0 –14.9 g, 15.0 –14.9 g, and 30 g or
more alcohol a day had multivariate relative risks of 1.11
[95% confidence interval (CI), 1.03, 1.19], 1.26 (95% CI,
1.12, 1.41), 1.29 (95% CI, 1.18, 1.42), and 1.12 (95% CI,
1.01, 1.26), respectively. Alcohol from beer had no
association with BCC in either cohort, and red wine
appeared to have an inverse association in women (P for
trend 0.004) but not in men. These associations
remained unchanged after adjustment for individual
vitamins, multivitamin use, outdoor walking, and
exclusion of follow-up time after last physical
examination among those who never had BCC. Alcohol
intake was associated with BCC, but the association
appeared to be different for each type of alcoholic
beverage. Other studies are needed to confirm these
results.
Introduction
BCC
3
of the skin is the most common cancer in Caucasians (1).
Although BCC is usually nonfatal, it nevertheless results in
recurrence and disfigurement (2). Also, incidence may have
increased over the past 20 years (3). Established risk factors
include fair skin, light hair and eye color, a tendency to burn,
and history of severe sunburns (4). Among these, only sun expo-
sure is modifiable. Alcohol intake is a risk factor for several
cancers, including hepatocellular carcinoma, oral, pharynx, esoph-
agus, and breast cancer (5). A 9% increase in risk of breast cancer
is observed with every 10-g increase in daily alcohol intake.
Human studies on alcohol consumption and risk of BCC
are few. Two case-control studies did not find any association
between alcohol intake and BCC, possibly because of crude
classification of alcohol consumption and lack of adjustment
for confounders (6, 7). In an unpublished study on fat intake
and BCC, we observed a positive association with total alcohol
when alcohol was included in regression models. Therefore, we
conducted this exploratory analysis to assess the associations
among intakes of total alcohol, specific alcoholic beverages,
and risk of BCC in two large cohorts of men and women.
Materials and Methods
Study Cohorts
NHS. The NHS began in 1976 when 121,700 female nurses in
11 United States states ages 30 –55 returned a questionnaire
providing health and lifestyle data. Similar questionnaires were
sent every 2 years to update information. Follow-up response
was 95% of the potential person-years. For this analysis,
women were eligible if they completed the 1986 semiquanti-
tative FFQ with 70 missing items and a total energy intake
between 500 and 3,500 kcal/day. We excluded women diag-
nosed previously with any cancer, including skin cancer, leav-
ing 65,358 women for analysis.
HPFS. In 1986, 52,000 male health professionals, between
40 and 75 years of age were recruited for a prospective study of
diet, lifestyle, and disease. A questionnaire similar to the NHS
has been sent to participants every 2 years. Completion of ques-
tionnaire has been 90% at each cycle, and reports of health
information were accurate (8). Members of the HPFS cohort were
eligible for this analysis if they completed the 1986 FFQ with 70
missing items and total energy between 800 and 4,200 kcal/day.
Men with any cancer, including any skin cancer, diagnosis at
baseline were excluded, leaving 42,617 for analysis.
Assessment of Nutrient Intake
Dietary intake information was collected using a FFQ designed
to assess average food intake over the previous year. Cohort Received 10/27/00; revised 5/8/02; accepted 5/30/02.
The costs of publication of this article were defrayed in part by the payment of
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1
This work was supported by Grants HL35464, CA55075, and CA87969.
2
To whom requests for reprints should be addressed, at Department of Nutrition,
Simmons College, 300 The Fenway, Boston, MA 02115.
3
The abbreviations used are: BCC, basal cell carcinoma; NHS, nurses health
study; FFQ, food frequency questionnaire; HPFS, health professionals follow-up
study; BMI, body mass index; RR, relative risk; CI, confidence interval.
1119 Vol. 11, 1119 –1122, October 2002 Cancer Epidemiology, Biomarkers & Prevention
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