Cancer Mortality Data Trends for 2000-2010 DS 12-12000
County of Residence Populations
Fifty-four of California’s 58 counties had reliable age-adjusted cancer death rates every year from 2000 through 2010. Fifty-one counties had age-adjusted rates that were lower in 2010 than 2000, and three counties demonstrated higher rates in 2010 than 2000. Mariposa County had the highest age-adjusted death rate, and Lassen County had the lowest rate during the eleven-year period.
Refer to Table 4 (PDF), Table 5 (PDF), and Table 6 (PDF) for detailed counts of deaths, age-adjusted rates, and 95 percent confidence intervals by county of residence. Trend charts showing age-adjusted cancer death rates by county are accessible through the links provided below.
Out of 54 counties, 32 counties showed a statistically significant downward trend from 2000 to 2010. The largest numerical and percentage decreases occurred in Humboldt County, which showed a decrease of 25.3 percent from 2000 to 2010.
Twenty-two counties exhibited rates that were reliable each year but did not show statistically significant trends.
Four counties had rates that were unreliable or no events during one or more of the years studied. Graphs are provided for these counties, but no trend analysis was conducted. This information should be interpreted with caution.
See the Technical Notes for information about rate calculation and trend analysis. A map of California is located here.