Table 1.

Participation metrics pre- and mid-COVID-19.

	Pre-Pandemic (July 2019–February 2020)	Mid-Pandemic (July 2020–February 2021)
Providers
Approached for study consent, N	1150	1158
Consented, N(%)	817 (71.0%)	747 (64.5%)
Provider permission requested to randomize consented patients, N	2651	3283
Permission received, N(%)	2469 (93.1%)	2997 (91.3%)
Patients
Reached by telephone, N	5363	7622
Declined participation, N(%)	1837 (34.3%)	3059 (40.1%)
Wish to continue with HCTZ	1024 (55.7%)	2081 (68.0%)
Not interested in research study	219 (11.9%)	420 (13.7%)
Refused to answer or other	594 (32.3%)	558 (18.2%)
Consented, N(%)	3048 (54.9%)	3718 (43.7%)
Randomized, N(%)	2231 (73.2%)	2933 (78.9%)