Table 3.

Challenges encountered implementing tele–Enhance Fitness at different phases of the program.

Challenges encountered			Initial orientation call (n=42), (setup phase)				First 2 weeks of tele–Enhance Fitness classes				Subsequent 2-month period of tele–Enhance Fitness classes
			Value, n		Prevalence (%)	Value, n			Rate per 100 persons (Enhance Fitness sessionsa)	Value, n			Rate per 100 persons (Enhance Fitness sessionsa)
Hardware or internet setup issues
	No device camera	1		2		0		0		0		0.0
	No device microphone	1		2		0		0		0		0.0
	Screen too small	0		0		2		0.9		0		0.0
	Internet connectivity issues	0		0		3		1.4		5		0.9
	Unable to log into email	2		5		0		0		0		0.0
	Allowing Zoom camera access	1		2		0		0		0		0.0
	Turning on computer sound	1		2		0		0		0		0.0
Physical setup
	Assembling wide-frame lens	9		21		0		0		0		0
	Positioning lens on camera	13		31		1		0.5		0		0
	Locating the front camera on device	5		12		0		0		0		0
	Tablet or computer camera view	13		31		1		0.5		3		0.5
	Room space	7		17		2		0.9		0		0
	Backlit image	1		2		1		0.5		0		0
Zoom controls
	Trouble downloading Zoom	2		5		0		0		0		0
	Joining or staying on Zoom meeting	0		0		22		10		15		2.6
	Joining with Zoom audio	4		10		9		5.1		11		1.9
	Using Zoom control buttons (ie, mute)	5		12		3		1.4		3		0.5
	Switching to speaker or gallery view	9		21		0		0		1		0.2
	Video turned off	0		0		2		0.9		0		0
Technology communication
	Lack of computer or tablet knowledge	2		5		2		0.9		0		0
	Lack of understanding of technology terms	5		12		2		0.9		0		0

^aThis incidence rate reflects the number of times a challenge is encountered for every 100 people who take a tele–Enhance Fitness class.