Table 2. Comparison of Uptake of COVID-19 Primary Outcomes Between the Matched MDPCP Group and Nonparticipating Group.

Measure	Participant group^a		P value
Measure	MDPCP (n = 208 146)	Nonparticipating (n = 37 203)	P value
Vaccine status
Not vaccinated	27 328 (13.13)	6926 (18.62)	<.001
Fully vaccinated
With booster	136 958 (65.80)	21 768 (58.51)
Without booster	38 855 (18.67)	7225 (19.42)
Partially vaccinated	5005 (2.40)	1284 (3.45)
Booster vaccine status
No	71 188 (34.20)	15 435 (41.49)	<.001
Yes	136 958 (65.80)	21 768 (58.51)	<.001
COVID-19–positive beneficiaries
With monoclonal antibody infusion^b	1152 (8.45)	161 (6.11)	<.001
With telehealth service claims^b	8579 (62.95)	1438 (54.53)	<.001

Abbreviation: MDPCP, Maryland Primary Care Program.

^{^a}

Unless otherwise indicated, data are expressed as No. (%) of participants. Percentages have been rounded and therefore may not sum to 100.

^{^b}

Includes 13 628 in the MDPCP group and 2673 in the nonparticipating group.