Table 4.

Content Analysis: Usability

CONTENT, PATIENT ID	PHASE	COMMENT
Positive
MXRL	Home	“I had expected it to interfere with my everyday life but that did not happen”
WDSJ	CARU	“Someone will do [put on/off] for me”
MUCL	CARU	“The sensor was very easy to have on”
MUCL	Home	“The sensor I found easy to wear”
ATYY	Home	“The sensor is easy to take on and off”
Negative
PQEP	Home	“Because I have small wrists the sensors were swinging around and it was difficult to keep them in the upright position. After a couple of hours I used some surgical tape to stick it down where the strap fastens underneath—they are in the same position after one week including daily showers
GHRS	Home	“Found it restricts you wearing tight sleeves on clothes”
MUCL	Home	“Felt a little nervous having a shower”
WDSJ	Home	“The left, blue sensor did not always stay securely in position and so needed occasional readjustment”
FRMQ	Home	“I removed them whilst having a bath/shower because they became soggy”
FRMQ	Home	“For someone with a tremor they are a little awkward”
BRCN	Home	“Maybe stronger pins in the sensor would help, one came out”
NRWL	Home	“Sensor a little awkward to fasten the strap…when feeling off”

CARU, Clinical Ageing Research Unit.