Self- and registry-reported cancer in a population-based longitudinal study
Barbara E K Klein1, Kristine E Lee, Scot E Moss
1University of Wisconsin-Madison, School of Medicine and Public Health, Department of Ophthalmology and Visual Sciences, 610 N Walnut St, 4th Fl WARF, Madison, WI 53726-2336, USA. kleinb@epi.ophth.wisc.edu
WMJ : Official Publication of the State Medical Society of Wisconsin
|November 12, 2010
Summary
Self-reported cancer diagnoses show good agreement with registry data, particularly for breast and prostate cancers. Combining self-reports with registry and mortality data offers the most comprehensive cancer information.
Area of Science:
- Oncology
- Epidemiology
- Public Health
Background:
- Cancer registries are crucial for epidemiological studies and healthcare planning.
- Self-reported diagnoses are increasingly used in health research.
- Assessing the accuracy of self-reported data against established registries is vital.
Purpose of the Study:
- To evaluate the concordance between self-reported cancer diagnoses and official cancer registry data.
- To determine the reliability of self-reported cancer information.
Main Methods:
- A cohort study design was employed.
- Self-reported cancer diagnosis data were collected from participants.
- Data were compared and linked with the Wisconsin Cancer Reporting System (WCRS).
Main Results:
- A high overall agreement (90% exact match) was observed between self- and registry-reported cancers.
- Concordance varied by cancer site, with excellent agreement for breast cancer (85.4%) and prostate cancer (78.9%).
Conclusions:
- Self-reported cancer diagnoses, especially for breast and prostate cancers, can be reliable when registry data are unavailable or incomplete.
- Combining self-reports, registry data, and mortality information provides the most accurate cancer data for healthcare planning and epidemiological research.
Related Concept Videos
02:20Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
01:21Cancer Survival Analysis
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
02:59Cancer Prevention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
02:59Cancer Prevention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
02:21Cancers Originate from Somatic Mutations in a Single Cell
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
02:21Cancers Originate from Somatic Mutations in a Single Cell
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...