Prevalence and correlates of recent and repeat mammography among California women ages 55–79
Accepted 9 February 2010. published online 25 February 2010.
Abstract
Objective: Data on repeat mammography rates are less available than for recent screening. Two large, population-based state surveys provide the opportunity to investigate repeat and recent mammography prevalence and correlates among California's diverse population. Methods: Data were from women aged 55–79, using the 2001 and 2005 California Health Interview Surveys. The study assessed the prevalence and correlates of recent mammography (within the past two years) and repeat mammography (mammogram within the past two years and 3–11 mammograms within the past six years). Results: Prevalence was 82.4% (recent) and 73.8% (repeat) in 2001, and 87.1% (recent) and 77.5% (repeat) in 2005. Correlates of lower rates were insurance status, no usual source of care, being a smoker, age 65–79, being Asian with no English proficiency, being never married, and lower absolute risk for breast cancer. Especially low ratios of repeat-to-recent mammography existed for the uninsured, and those using the emergency room or with no source of care. Unexpected findings in which unadjusted results were inconsistent with multivariable adjusted results occurred for Latinas with no English proficiency and women at 200–299% of poverty level. Conclusions: Several groups of women in California remain at-risk of lower mammography utilization. However, investigators should also be alert for instances where multivariable analyses seem particularly discrepant with crude rates.
aDepartment of Community Health, Program in Public Health, 121 South Main Street, 2nd floor, Brown University, Providence, RI, 02912, USA
bUniversity of California, UCLA Center for Health Policy, 10960 Wilshire Boulevard, Suite 1550, Los Angeles, CA, 90024, USA
cApplied Research Program, National Cancer Institute, Executive Plaza North, Room 4005, 6130 Executive Boulevard, MSC 7344, Rockville, MD, 20852, USA
dApplied Cancer Screening Research Program, National Cancer Institute, 6130 Executive Boulevard, Rockville, MD, 20852, USA
eDepartment of Community Health, Program in Public Health, 121 South Main Street, 6th floor, Brown University, Providence RI, 02912, USA
Corresponding author at: Department of Community Health, Program in Public Health, Box G-S121 2nd Floor, Brown University, Providence, RI, 02912, USA. Tel.: +1 401 863 3263; fax: +1 401 863 3713.
1 Present address: Office of Behavioral and Social Science Research, National Institutes of Health, 31 Center Drive, Building 31, Room B1C19, Bethesda MD, 20892, USA.