Papillary thyroid cancer incidence rates vary significantly by birthplace in Asian American women

Pamela L. Horn-Ross, Laura A. McClure, Ellen T. Chang, Christina A. Clarke, Theresa H Keegan, Rudolph P. Rull, Thu Quach, Scarlett Lin Gomez

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Objective To investigate how birthplace influences the incidence of papillary thyroid cancer among Asian American women. Methods Birthplace- and ethnic-specific age-adjusted and age-specific incidence rates were calculated using data from the California Cancer Registry for the period 1988-2004. Birthplace was statistically imputed for 30% of cases using a validated imputation method based on age at Social Security number issuance. Population estimates were obtained from the US Census. Incidence rate ratios (IRR) and 95% confidence intervals (CI) were estimated for foreign-born vs. US-born women. Results Age-adjusted incidence rates of papillary thyroid cancer among Filipina (13.7 per 100,000) and Vietnamese (12.7) women were more than double those of Japanese women (6.2). US-born Chinese (IRR = 0.48, 95% CI: 0.40-0.59) and Filipina women (IRR = 0.74, 95% CI: 0.58-0.96) had significantly higher rates than those who were foreign-born; the opposite was observed for Japanese women (IRR = 1.55, 95% CI: 1.17-2.08). The age-specific patterns among all foreign-born Asian women and US-born Japanese women showed a slow steady increase in incidence until age 70. However, among US-born Asian women (except Japanese), substantially elevated incidence rates during the reproductive and menopausal years were evident. Conclusions Ethnic- and birthplace-variation in papillary thyroid cancer incidence can provide insight into the etiology of this increasingly common and understudied cancer.

Original languageEnglish (US)
Pages (from-to)479-485
Number of pages7
JournalCancer Causes and Control
Volume22
Issue number3
DOIs
StatePublished - Mar 2011
Externally publishedYes

Keywords

  • Asian American women
  • Birthplace
  • Cancer surveillance
  • Incidence rates
  • Papillary thyroid cancer

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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    Horn-Ross, P. L., McClure, L. A., Chang, E. T., Clarke, C. A., Keegan, T. H., Rull, R. P., Quach, T., & Gomez, S. L. (2011). Papillary thyroid cancer incidence rates vary significantly by birthplace in Asian American women. Cancer Causes and Control, 22(3), 479-485. https://doi.org/10.1007/s10552-010-9720-5