Table 4. Subgroup analysis (rural population).

Logistic regression for video vs. audio or in-person visits
Characteristic a	Log odds	95% CI		p -Value adj
		Lower	Upper
Age	−0.017	−0.021	−0.014	0.000
Fee-for-Service/commercial	0.085	−0.079	0.249	0.311
Medicaid	0.167	−0.023	0.358	0.086
Medicare	1.082	0.726	1.437	0.000
Self-pay/none	−0.411	−0.848	0.026	0.065
Hispanic/Latino	−0.548	−0.854	−0.242	0.000
Patient Portal Activation	0.612	0.481	0.742	0.000
CCI	−0.003	−0.004	−0.001	0.000
Age: Fee-for-service/commercial	−0.005	−0.008	−0.001	0.019
Age: Medicaid	−0.003	−0.008	0.002	0.225
Age: Medicare	−0.023	−0.029	−0.017	0.000
Age: Self-pay/none	0.001	−0.008	0.010	0.806
Age: Patient portal activation	0.007	0.004	0.010	0.000
Age: Hispanic/Latino	0.011	0.003	0.019	0.009
Logistic regression for video or audio vs. in-person visits
Characteristic a	Log odds	95% CI		p -Value adj
		Lower	Upper
Age	−0.001	−0.003	0.002	0.662
Fee-for-service/commercial	0.087	−0.060	0.234	0.248
Medicaid	0.283	0.115	0.450	0.001
Medicare	1.601	1.336	1.865	0.000
Self-pay/none	−0.141	−0.485	0.202	0.420
American Indian or Alaska Native	0.307	0.048	0.566	0.020
Asian	0.315	0.000	0.630	0.050
Black/African American	−0.060	−0.271	0.150	0.575
Native Hawaiian/Other Pacific Islander	0.257	−0.399	0.912	0.443
Hispanic/Latino	−0.637	−0.896	−0.378	0.000
Patient portal activation	0.429	0.382	0.476	0.000
CCI	−0.009	−0.010	−0.008	0.000
Age: Medicaid	−0.002	−0.006	0.002	0.309
Age: Medicare	−0.027	−0.031	−0.023	0.000
Age: Self-pay/none	−0.004	−0.011	0.003	0.223
Age: Hispanic/Latino	0.010	0.004	0.016	0.001

Abbreviations: CI, confidence interval; CCI, Charlson Comorbidity Index.

Note: Interaction terms are represented by a colon (“:”) between terms; for example, “age: fee-for-service/commercial.”

^aThe references classes used were: White (race), not Hispanic (ethnicity), no patient portal activation (patient portal activation status), and urban(rural vs. urban).