Despite the availability of effective early detection technologies, more than half (61%) of colorectal cancers in the United States and 55% in California are identified at an advanced stage. Data on colorectal cancer patients (N = 35,030) diagnosed from 2005 to 2007 were obtained from the California Cancer Registry. Multivariate analyses found a relationship among neighborhood concentration of recent immigrants, neighborhood rates of limited English proficiency, and late-stage colorectal cancer diagnosis. Hispanics living in neighborhoods with a greater percentage of recent immigrants (compared to the lowest percentage) had greater odds (OR 1.57, 95% CI 1.22, 2.02) of late-stage diagnosis whereas Hispanics living in neighborhoods with the highest percentage of limited English proficiency (compared to the lowest percentage) had lower odds (OR.71, 95% CI.51,.99) of late-stage diagnosis. These relationships were not observed for other ethnic groups. Results highlight the complex relationship among race/ethnicity, neighborhood characteristics, and colorectal cancer stage at diagnosis. © 2015 Cynthia M. Mojica et al.

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immigrant Asian Registries demography health insurance register Neoplasm Staging human delayed diagnosis language ability middle aged colorectal cancer Medicare statistics and numerical data ethnic group pathology cancer staging Colorectal Neoplasms Aged language Insurance, Health African American Hispanic Americans neighborhood Residence Characteristics marriage income Humans migrant Hispanic California male Emigrants and Immigrants female Aged, 80 and over very elderly Multivariate Analysis cancer registry Article major clinical study adult outcome assessment medicaid cancer diagnosis early diagnosis