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Changes in cancer incidence patterns among a northeastern American Indian population: 1955-1969 versus 1990-2004.
J Rural Health. 2009 Fall; 25(4):378-83.JR

Abstract

PURPOSE

This manuscript examines shifts in patterns of cancer incidence among the Seneca Nation of Indians (SNI) for the interval 1955-1969 compared to 1990-2004.

METHODS

A retrospective cohort design was used to examine cancer incidence among the SNI during 2 time intervals: 1955-1969 and 1990-2004. Person-years at risk were multiplied by cancer incidence rates for New York State, exclusive of New York City, over 5-year intervals. A computer-aided match with the New York State Cancer Registry was used to identify incident cancers. Overall and site-specific standardized incidence ratios (SIRs = observed/expected x 100), and 95% confidence intervals (CIs), were calculated for both time periods.

RESULTS

During the earlier interval, deficits in overall cancer incidence were noted among males (SIR = 56, CI 36-82) and females (SIR = 71, CI 50-98), and for female breast cancers (SIR = 21, CI 4-62). During the more recent intervals, deficits in overall cancer incidence persisted among both genders (males SIR = 63, CI 52-77; females SIR = 67, CI 55-80). Deficits were also noted among males for cancers of the lung (SIR = 60, CI 33-98), prostate (SIR = 51, CI = 33-76) and bladder (SIR = 17, CI = 2-61) and among females for breast (SIR = 33, CI = 20-53) and uterus (SIR = 36, CI = 10-92). No cancer sites demonstrated increased incidence. Persons ages 60-69 years, 70-79 years, and ages 80+ years tended to exhibit deficits in overall incidence.

CONCLUSIONS

Despite marked changes over time, deficits in overall cancer incidence have persisted between the time intervals studied. Tribal-specific cancer data are important for the development and implementation of comprehensive cancer control plans which align with local needs.

Authors+Show Affiliations

Roswell Park Cancer Institute, Buffalo, NY 14263, USA. martin.mahoney@roswellpark.orgNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19780918

Citation

Mahoney, Martin C., et al. "Changes in Cancer Incidence Patterns Among a Northeastern American Indian Population: 1955-1969 Versus 1990-2004." The Journal of Rural Health : Official Journal of the American Rural Health Association and the National Rural Health Care Association, vol. 25, no. 4, 2009, pp. 378-83.
Mahoney MC, Va P, Stevens A, et al. Changes in cancer incidence patterns among a northeastern American Indian population: 1955-1969 versus 1990-2004. J Rural Health. 2009;25(4):378-83.
Mahoney, M. C., Va, P., Stevens, A., Kahn, A. R., & Michalek, A. M. (2009). Changes in cancer incidence patterns among a northeastern American Indian population: 1955-1969 versus 1990-2004. The Journal of Rural Health : Official Journal of the American Rural Health Association and the National Rural Health Care Association, 25(4), 378-83. https://doi.org/10.1111/j.1748-0361.2009.00247.x
Mahoney MC, et al. Changes in Cancer Incidence Patterns Among a Northeastern American Indian Population: 1955-1969 Versus 1990-2004. J Rural Health. 2009;25(4):378-83. PubMed PMID: 19780918.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Changes in cancer incidence patterns among a northeastern American Indian population: 1955-1969 versus 1990-2004. AU - Mahoney,Martin C, AU - Va,Puthiery, AU - Stevens,Adrian, AU - Kahn,Amy R, AU - Michalek,Arthur M, PY - 2009/9/29/entrez PY - 2009/9/29/pubmed PY - 2009/12/29/medline SP - 378 EP - 83 JF - The Journal of rural health : official journal of the American Rural Health Association and the National Rural Health Care Association JO - J Rural Health VL - 25 IS - 4 N2 - PURPOSE: This manuscript examines shifts in patterns of cancer incidence among the Seneca Nation of Indians (SNI) for the interval 1955-1969 compared to 1990-2004. METHODS: A retrospective cohort design was used to examine cancer incidence among the SNI during 2 time intervals: 1955-1969 and 1990-2004. Person-years at risk were multiplied by cancer incidence rates for New York State, exclusive of New York City, over 5-year intervals. A computer-aided match with the New York State Cancer Registry was used to identify incident cancers. Overall and site-specific standardized incidence ratios (SIRs = observed/expected x 100), and 95% confidence intervals (CIs), were calculated for both time periods. RESULTS: During the earlier interval, deficits in overall cancer incidence were noted among males (SIR = 56, CI 36-82) and females (SIR = 71, CI 50-98), and for female breast cancers (SIR = 21, CI 4-62). During the more recent intervals, deficits in overall cancer incidence persisted among both genders (males SIR = 63, CI 52-77; females SIR = 67, CI 55-80). Deficits were also noted among males for cancers of the lung (SIR = 60, CI 33-98), prostate (SIR = 51, CI = 33-76) and bladder (SIR = 17, CI = 2-61) and among females for breast (SIR = 33, CI = 20-53) and uterus (SIR = 36, CI = 10-92). No cancer sites demonstrated increased incidence. Persons ages 60-69 years, 70-79 years, and ages 80+ years tended to exhibit deficits in overall incidence. CONCLUSIONS: Despite marked changes over time, deficits in overall cancer incidence have persisted between the time intervals studied. Tribal-specific cancer data are important for the development and implementation of comprehensive cancer control plans which align with local needs. SN - 1748-0361 UR - https://www.unboundmedicine.com/medline/citation/19780918/Changes_in_cancer_incidence_patterns_among_a_northeastern_American_Indian_population:_1955_1969_versus_1990_2004_ L2 - https://doi.org/10.1111/j.1748-0361.2009.00247.x DB - PRIME DP - Unbound Medicine ER -