Increased Cancer Screening for Low-income Adults Under the Affordable Care Act Medicaid Expansion

被引:62
|
作者
Hendryx, Michael [1 ]
Luo, Juhua [2 ]
机构
[1] Indiana Univ, Sch Publ Hlth, Dept Environm & Occupat Hlth, 1025 E 7th St, Bloomington, IN 47405 USA
[2] Indiana Univ, Sch Publ Hlth, Dept Epidemiol & Biostat, Bloomington, IN USA
关键词
Affordable Care Act; Medicaid; cancer screening; 1ST; 2; YEARS; INSURANCE-COVERAGE; HEALTH-INSURANCE; UNITED-STATES; YOUNG-ADULTS; EARLY IMPACT; ACCESS; STAGE;
D O I
10.1097/MLR.0000000000000984
中图分类号
R19 [保健组织与事业(卫生事业管理)];
学科分类号
摘要
Background:We tested whether Medicaid expansion under the Affordable care Act was associated with increased screening for cervical, breast, and colorectal cancer among low-income adults.Methods:We analyzed Behavioral Risk Factor Surveillance System data, identifying 2012 as preexpansion and 2016 as postexpansion (2014 was treated as a wash-out, and 2013 and 2015 had missing screening data from most states). States (including District of Columbia) either expanded Medicaid in 2014 (n=28) or not (n=18); five states that expanded after 2014 were excluded. Participants included low-income adults aged 18-64 without dependent children. A difference-in-difference approach tested whether expansion was significantly associated with screening, controlling for time, state effects, age, sex, race/ethnicity, education, and urban/rural population. For comparison, we also conducted analyses among the low-income Medicare (aged 65 and above) population, and a higher income population.Results:There was a significant expansion effect for women aged 18-64 for cervical cancer screening (N=29,059; odds ratio, 1.04; 95% confidence interval, 1.01-1.08), and for adults 50-64 for colorectal cancer screening (N=32,290; odds ratio, 1.12; 95% confidence interval, 1.03-1.22). Effects for mammography for women aged 40-64, or aged 50-64, were not significant. As expected, there were no significant improvements associated with expansion among the Medicare population, or among a population ineligible due to higher income.Conclusions:Medicaid expansion under the Affordable Care Act was associated with increased screening for cervical and colorectal cancer for low-income adults. It will be important to monitor possible adverse cancer outcomes in nonexpansion states among vulnerable populations over time.
引用
收藏
页码:944 / 949
页数:6
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