Odds ratios of melanoma associated with European ethnicity.

a<p>Totals may vary because of missing values.</p>b<p>Adjusted for age, sex and educational level by unconditional logistic regression analysis. Statistical significance: likelihood ratio test.</p>c<p>Adjusted for age, sex, level of education, eye color, hair color, freckle density, and skin phototype by unconditional logistic regression analysis. Statistical significance: likelihood ratio test.</p>d<p>Spain, France, Italy, Portugal, Germany, Austria, Hungary, Yugoslavia, Lithuania, Poland, Romania, Russia, Switzerland, or Czechoslovakia.</p>e<p>Spain, France, Italy, or Portugal.</p>f<p>Germany, Austria, Hungary, Yugoslavia, Lithuania, Poland, Romania, Russia, Switzerland, or Czechoslovakia.</p>g<p>Adjusted further for the number of European grandparents.</p

Exposure to UV radiation, use of sunscreen, and history of sunburn.

a<p>Totals may vary because of missing values.</p>b<p>Adjusted for age, sex and educational level by unconditional logistic regression analysis. Statistical significance: likelihood ratio test.</p

Odds ratios of melanoma associated with phenotypic features and family history of cancer.

a<p>Totals may vary because of missing values.</p>b<p>Adjusted for age, sex and educational level by unconditional logistic regression analysis. Statistical significance: likelihood ratio test.</p>c<p>I: always burns, never tans; II: often burns, tans minimally; III: rarely burns, tans well; IV: never burns, always tans.</p>d<p>Brothers, sisters, sons, and daughters.</p

Socio-demographic characteristics of participants.

*<p>Totals may vary because of missing value.</p>**<p>One real is approximately U.S. dollar 0.59.</p