A cohort study of farming and risk of prostate cancer in Iowa

Alex S. Parker; James R. Cerhan; Shannon D. Putnam; Kenneth P. Cantor; Charles F. Lynch

doi:10.1097/00001648-199907000-00019

A cohort study of farming and risk of prostate cancer in Iowa

Alex S. Parker, James R. Cerhan, Shannon D. Putnam, Kenneth P. Cantor, Charles F. Lynch

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Abstract

Although farming has been linked to prostate cancer mortality, few investigations have addressed its association with prostate cancer incidence. We followed a population-based cohort of 1,177 cancer-free men for up to 9 years and identified 81 incident prostate cancers. Men whose usual occupation was farmer were at an increased risk of prostate cancer after adjustment for age, smoking, alcohol, and dietary factors (RR = 1.7; 95% CI = 1.0-2.7). Exclusion of well-differentiated, localized tumors slightly strengthened the association (RR = 2.0; 95% CI = 1.1-3.6). Risk was confined to older (age 70+ years) farmers (RR = 2.2; 95% CI = 1.1-4.3); we found no evidence of an effect among younger farmers (RR = 1.0; 95% CI = 0.4-2.1).

Original language	English (US)
Pages (from-to)	452-455
Number of pages	4
Journal	Epidemiology
Volume	10
Issue number	4
DOIs	https://doi.org/10.1097/00001648-199907000-00019
State	Published - Jul 1999

Keywords

Alcohol drinking
Cohort studies
Diet
Fanning
Histology
Occupations
Prostatic neoplasms
Smoking

ASJC Scopus subject areas

Epidemiology

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10.1097/00001648-199907000-00019

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title = "A cohort study of farming and risk of prostate cancer in Iowa",

abstract = "Although farming has been linked to prostate cancer mortality, few investigations have addressed its association with prostate cancer incidence. We followed a population-based cohort of 1,177 cancer-free men for up to 9 years and identified 81 incident prostate cancers. Men whose usual occupation was farmer were at an increased risk of prostate cancer after adjustment for age, smoking, alcohol, and dietary factors (RR = 1.7; 95% CI = 1.0-2.7). Exclusion of well-differentiated, localized tumors slightly strengthened the association (RR = 2.0; 95% CI = 1.1-3.6). Risk was confined to older (age 70+ years) farmers (RR = 2.2; 95% CI = 1.1-4.3); we found no evidence of an effect among younger farmers (RR = 1.0; 95% CI = 0.4-2.1).",

keywords = "Alcohol drinking, Cohort studies, Diet, Fanning, Histology, Occupations, Prostatic neoplasms, Smoking",

author = "Parker, {Alex S.} and Cerhan, {James R.} and Putnam, {Shannon D.} and Cantor, {Kenneth P.} and Lynch, {Charles F.}",

year = "1999",

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doi = "10.1097/00001648-199907000-00019",

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T1 - A cohort study of farming and risk of prostate cancer in Iowa

AU - Parker, Alex S.

AU - Cerhan, James R.

AU - Putnam, Shannon D.

AU - Cantor, Kenneth P.

AU - Lynch, Charles F.

PY - 1999/7

Y1 - 1999/7

N2 - Although farming has been linked to prostate cancer mortality, few investigations have addressed its association with prostate cancer incidence. We followed a population-based cohort of 1,177 cancer-free men for up to 9 years and identified 81 incident prostate cancers. Men whose usual occupation was farmer were at an increased risk of prostate cancer after adjustment for age, smoking, alcohol, and dietary factors (RR = 1.7; 95% CI = 1.0-2.7). Exclusion of well-differentiated, localized tumors slightly strengthened the association (RR = 2.0; 95% CI = 1.1-3.6). Risk was confined to older (age 70+ years) farmers (RR = 2.2; 95% CI = 1.1-4.3); we found no evidence of an effect among younger farmers (RR = 1.0; 95% CI = 0.4-2.1).

AB - Although farming has been linked to prostate cancer mortality, few investigations have addressed its association with prostate cancer incidence. We followed a population-based cohort of 1,177 cancer-free men for up to 9 years and identified 81 incident prostate cancers. Men whose usual occupation was farmer were at an increased risk of prostate cancer after adjustment for age, smoking, alcohol, and dietary factors (RR = 1.7; 95% CI = 1.0-2.7). Exclusion of well-differentiated, localized tumors slightly strengthened the association (RR = 2.0; 95% CI = 1.1-3.6). Risk was confined to older (age 70+ years) farmers (RR = 2.2; 95% CI = 1.1-4.3); we found no evidence of an effect among younger farmers (RR = 1.0; 95% CI = 0.4-2.1).

KW - Alcohol drinking

KW - Cohort studies

KW - Diet

KW - Fanning

KW - Histology

KW - Occupations

KW - Prostatic neoplasms

KW - Smoking

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JF - Epidemiology

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ER -

A cohort study of farming and risk of prostate cancer in Iowa

Abstract

Keywords

ASJC Scopus subject areas

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