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Sun exposure and melanoma risk at different latitudes: a pooled analysis of 5700 cases and 7216 controls

In English

Författare

  • Yu-mei Chang
  • Jennifer H. Barrett
  • D. Timothy Bishop
  • Bruce K. Armstrong
  • Veronique Bataille
  • Wilma Bergman
  • Marianne Berwick
  • Paige M. Bracci
  • J. Mark Elwood
  • Marc S. Ernstoff
  • Richard P. Gallagher
  • Adele C. Green
  • Nelleke A. Gruis
  • Elizabeth A. Holly
  • Christian Ingvar
  • Peter A. Kanetsky
  • Margaret R. Karagas
  • Tim K. Lee
  • Loic Le Marchand
  • Rona M. Mackie
  • Håkan Olsson
  • Anne Osterlind
  • Timothy R. Rebbeck
  • Peter Sasieni
  • Victor Siskind
  • Anthony J. Swerdlow
  • Linda Titus-Ernstoff
  • Michael S. Zens
  • Julia A. Newton-Bishop
Visa allt

Summary, in English

Background Melanoma risk is related to sun exposure; we have investigated risk variation by tumour site and latitude. Methods We performed a pooled analysis of 15 case-control studies (5700 melanoma cases and 7216 controls), correlating patterns of sun exposure, sunburn and solar keratoses (three studies) with melanoma risk. Pooled odds ratios (pORs) and 95% Bayesian confidence intervals (CIs) were estimated using Bayesian unconditional polytomous logistic random-coefficients models. Results Recreational sun exposure was a risk factor for melanoma on the trunk (pOR 1.7; 95% CI: 1.4-2.2) and limbs (pOR 1.4; 95% CI: 1.1-1.7), but not head and neck (pOR 1.1; 95% CI: 0.8-1.4), across latitudes. Occupational sun exposure was associated with risk of melanoma on the head and neck at low latitudes (pOR 1.7; 95% CI: 1.0-3.0). Total sun exposure was associated with increased risk of melanoma on the limbs at low latitudes (pOR 1.5; 95% CI: 1.0-2.2), but not at other body sites or other latitudes. The pORs for sunburn in childhood were 1.5 (95% CI: 1.3-1.7), 1.5 (95% CI: 1.3-1.7) and 1.4 (95% CI: 1.1-1.7) for melanoma on the trunk, limbs, and head and neck, respectively, showing little variation across latitudes. The presence of head and neck solar keratoses was associated with increased risk of melanoma on the head and neck (pOR 4.0; 95% CI: 1.7-9.1) and limbs (pOR 4.0; 95% CI: 1.9-8.4). Conclusion Melanoma risk at different body sites is associated with different amounts and patterns of sun exposure. Recreational sun exposure and sunburn are strong predictors of melanoma at all latitudes, whereas measures of occupational and total sun exposure appear to predict melanoma predominately at low latitudes. Keywords Melanoma, recreational sun exposure, occupational sun exposure, total sun exposure, sunburn, solar keratoses

Publiceringsår

2009

Språk

Engelska

Sidor

814-830

Publikation/Tidskrift/Serie

International Journal of Epidemiology

Volym

38

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

Oxford University Press

Ämne

  • Public Health, Global Health, Social Medicine and Epidemiology

Nyckelord

  • sun exposure
  • total
  • occupational sun exposure
  • Melanoma
  • recreational sun exposure
  • sunburn
  • solar keratoses

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1464-3685