• Maria Steenland, Anna Sinaiko, Amy Glynn, Therese Fitzgerald, and Jessica Cohen.
• Population Studies and Training Center, Brown University, 68 Waterman St, Providence, RI 02912, USA.
• Prev Med Rep. 2019 Sep 1; 15: 100924.

AbstractIn an effort to increase use of preventive health care, The Patient Protection and Affordable Care Act (ACA) eliminated cost-sharing for preventive cancer screening services for the privately insured. The impact on patient spending and use of these screenings is still poorly understood. We used an interrupted time series analysis with the Massachusetts All-Payer Claims Database (2009-2012) to assess changes in trends in costs and use of breast, cervical and colorectal cancer screenings after the ACA policy. We find that the ACA was associated with a 0.024 (95% CI: -0.031, -0.017, p < 0.001) and 0.424 (95% CI: -0.481, -0.368, p < 0.001) percentage point decrease in the likelihood of a copayment each week for preventive breast and cervical cancer screenings respectively. The likelihood of copayment for colon cancer screening declined throughout the study period, with the rate of decline slowing following the ACA (trend in percent of screenings with copayment -0.130 before vs -0.071 after ACA, p = 0.014). Overall, we find only weak evidence that the ACA policy increased screenings. We find no significant effect on utilization for cervical cancer or colon cancer screening. For breast cancer screening, we find a small immediate increase in the utilization rate in the month after the policy change, with no change in trend after the ACA policy. Policy makers may need to consider other complementary policy options to increase screening rates.

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