Table 2.

Adjusted odds ratios of predictors of telemedicine use during the public health emergency.

Predictors		Combined health systems (N=10,201)			Academic system (N=3623)					Safety net system (N=6578)
		aORa	95% CI	aOR			95% CI		aOR			95% CI
Health system (reference: UCSFb)
	SFHNc	2.94d	2.48-3.48	N/Ae			N/A		N/A			N/A
Age group (years; reference: 75+)
	18-34	2.55d	1.63-3.97	3.97d			1.99-7.93		1.42			0.78-2.60
	35-49	1.39f	1.12-1.73	1.86d			1.36-2.56		0.98			0.70-1.37
	50-64	1.09	0.92-1.30	1.15			0.91-1.45		0.87			0.65-1.16
	65-74	0.95	0.81-1.12	0.91			0.74-1.11		0.84			0.64-1.11
Race and ethnicity (reference: White)
	Asian	0.67d	0.56-0.79	0.57d			0.46-0.70		0.88			0.67-1.17
	Black or African American	0.83g	0.68-1.00	0.81			0.61-1.07		0.90			0.68-1.19
	Hispanic or Latine	0.76f	0.61-0.95	0.67g			0.50-0.91		0.86			0.62-1.18
	Other or unknown	0.89	0.70-1.13	0.86			0.63-1.16		0.94			0.64-1.38
Language (reference: English)
	Spanish	1.04	0.83-1.30	1.49			0.90-2.48		1.02			0.78-1.35
	Chinese	2.04d	1.66-2.50	1.16			0.86-1.56		2.52d			1.85-3.42
	Other or unknown	1.11	0.91-1.35	1.09			0.81-1.47		0.99			0.76-1.30
nSESh quintiles (reference: 5)
	1	1.08	0.90-1.30	1.16			0.89-1.52		1.10			0.81-1.48
	2	1.14	0.95-1.38	1.11			0.86-1.43		1.19			0.88-1.62
	3	1.11	0.92-1.35	0.95			0.74-1.21		1.36			0.97-1.91
	4	1.05	0.87-1.27	0.95			0.75-1.19		1.23			0.88-1.73
Baseline hemoglobin A1c		1.03	0.99-1.07	1.11d			1.05-1.18		0.99			0.95-1.04
Baseline BPi (mm Hg; reference: ≤120/80)
	≤140/90	1.08	0.95-1.23	1.04			0.85-1.28		1.10			0.93-1.31
	>140/90	1.04	0.89-1.23	0.99			0.78-1.26		1.09			0.88-1.36
Sex (reference: male)
	Female	1.36d	1.22-1.51	1.36d			1.16-1.59		1.34d			1.15-1.55
Insurance type (reference: Medicare)
	Private	0.85g	0.72-1.00	0.82g			0.68-0.99		2.02			0.80-5.11
	Public	0.84g	0.72-0.98	1.03			0.78-1.37		0.83			0.69-1.00
	Uninsured	0.95	0.73-1.23	N/A			N/A		1.03			0.77-1.37
	Healthy Workersj	1.35g	1.04-1.76	N/A			N/A		1.18			0.89-1.57
Patient portal status (reference: inactivated)
	Activated	1.71d	1.47-2.00			1.86d		1.55-2.23			1.46f		1.10-1.94
Charlson Comorbidity Index (reference: 0-2)
	3+	1.33d	1.17-1.53			1.90d		1.57-2.30			0.93		0.77-1.12

^aaOR: adjusted odds ratio.

^bUCSF: University of California, San Francisco.

^cSFHN: San Francisco Health Network.

^dP<.001.

^eN/A: not applicable.

^fP<.01.

^gP<.05.

^hnSES: neighborhood socioeconomic status.

ⁱBP: blood pressure.

^jHealthy Workers is an insurance plan provided to temporary exempt employees of the City and County of San Francisco, including providers of in-home care.