TABLE 2.

Annual Changes in Health Insurance Coverage for Nonelderly Adults Over the First 5 Years of ACA Implementation

	Year 1 (2014)		Year 2 (2015)		Year 3 (2016)		Year 4 (2017)		Year 5 (2018)		Difference: 2017 vs. 2018
Sample	Adjusted Change (95% CI)	P	Adjusted Change (95% CI)	P	Adjusted Change (95% CI)	P	Adjusted Change (95% CI)	P	Adjusted Change (95% CI)	P	P
Respondents reporting chronic disease	0.049* (0.042–0.057)	<0.001	0.070* (0.062–0.078)	<0.001	0.080* (0.073–0.088)	<0.001	0.072* (0.063–0.080)	<0.001	0.063* (0.054–0.072)	<0.001	<0.001
Respondents not reporting chronic disease	0.040* (0.033–0.046)	<0.001	0.057* (0.047–0.066)	<0.001	0.062* (0.053–0.071)	<0.001	0.054* (0.042–0.067)	<0.001	0.049* (0.040–0.059)	<0.001	0.107

95% CIs are in parentheses. Columns indicate the number of years of ACA implementation, and rows indicate the subsample analyzed.

Data were adjusted for the control variables noted in the text; analyses incorporated Behavioral Risk Factor Surveillance System survey weights, and SEs were clustered by state.

ACA indicates Patient Protection and Affordable Care Act; CI, confidence interval.

*P<0.01.