Table 2.

Weighted percentages and standard errors of health information technology use by adults with and without history of atherosclerotic cardiovascular disease.

Health information technology use indicators	Alla, % (SE)	Adults with ASCVDb (n=2194), % (SE)	Adults without ASCVD (n=253,923), % (SE)	P value
Overall health information technology usec	50.76 (0.2)	25.07 (1.1)	50.97 (0.2)	<.001
Looked up health information on the internet	48.72 (0.2)	23.13 (1.1)	48.94 (0.2)	<.001
Filled a web-based prescription	8.61 (0.1)	6.55 (0.6)	8.63 (0.1)	.004
Scheduled a medical appointment on the internet	9.53 (0.2)	4.70 (0.6)	9.57 (0.2)	<.001
Communicated with health care provider through email	10.38 (0.2)	5.39 (0.6)	10.42 (0.2)	<.001
Used online group chat to learn about health topics	3.50 (0.1)	3.35 (0.5)	3.50 (0.1)	.78

^aWeighted percentage of all adults who used a form of health information technology.

^bASCVD: atherosclerotic cardiovascular disease.

^cUse of at least one of the 5 indicators of health information technology.