Table 4.

CW Compliance

	Dates	Mean (95% CI)	Number of patients
Baseline	February 14–March 14, 2018	15.8% (11.8%, 19.9%)	316
	March 15–April 10, 2018	17.5% (13.3%, 21.8%)	302
	April 11–May 8, 2018	15.1% (11.3%, 18.9%)	338
	May 9–June 5, 2018	16.1% (12.1%, 20.2%)	322
	February 14–June 5, 2018	16.1% (14.1%, 18.1%)	1278
Most recent	July 3–July 30, 2019	16.3% (11.1%, 21.6%)	190
	July 31–August 27, 2019	23.0% (16.9%, 29.2%)	178
	August 28–September 24, 2019	24.2% (17.3%, 31.0%)	149
	September 25–October 22, 2019	22.1% (15.7%, 28.5%)	163
	July 3–October 22, 2019	21.2% (18.1%, 24.3%)	680

(Top) CW compliance, mean (95% CI), at baseline for each of the first four 4-week intervals prior to nudge launch in the Vanguard sites and overall baseline CW compliance rate across all 16 weeks. (Bottom) CW compliance, mean (95% CI), in the most recent four 4-week intervals after nudge deployment at all five practices, as well as the overall postintervention CW compliance rate across all 16 weeks