Table 4.

Program satisfaction ratings

	Percent selecting each category (%)					Mean	SD
	0	1	2	3	4
The overall organization of the site is easy to understand.	0.0	1.9	3.8	50.0	44.2	3.4	0.7
Individual pages are well designed.	0.0	1.9	9.6	48.1	40.4	3.3	0.7
It was easy to move from one page to another.	0.0	3.8	3.8	48.1	44.2	3.3	0.7
Terminology used in the website was clear	0.0	1.9	3.8	50.0	44.2	3.4	0.7
The content of the website helped me better understand OA of the knee.	3.8	5.8	13.5	44.2	32.7	3.0	1.0
My assigned exercise routines were appropriate for me.	1.9	1.9	17.3	53.8	25.0	3.0	0.8
The ability to request a harder or easier routine was helpful.	0.0	3.8	11.5	53.8	30.8	3.1	0.8
The information on the web site helped me to better manage my condition.	0.0	5.8	26.9	34.6	32.7	2.9	0.9
I was able to complete my tasks in a reasonable amount of time.	0.0	1.9	9.6	63.5	25.0	3.1	0.7
The e-mails reminding me to record my exercise workouts were helpful.	0.0	1.9	9.6	51.9	36.5	3.2	0.7
I am taking less pain medication since I began doing exercises.	5.8	15.4	34.6	28.8	15.4	2.3	1.1
The animated exercise illustrations were helpful.	0.0	3.8	5.8	40.4	50.0	3.4	0.8
The animated exercises were easy to follow.	1.9	0.0	5.8	44.2	48.1	3.4	0.8
The daily exercise recording tool was easy to use.	0.0	1.9	5.8	38.5	53.8	3.4	0.7
Overall, the website is easy to use.	0.0	0.0	5.8	40.4	53.8	3.5	0.6
I would likely use the website in the future.	1.9	5.8	11.5	34.6	46.2	3.2	1.0
The initially assigned exercises were too easy.*	1.9	15.4	26.9	34.6	19.2	2.6	1.1
The initially assigned exercises were too hard.*	40.4	28.8	26.9	0.0	1.9	0.9	0.8

0 = strongly disagree, 1 = disagree, 2 = neutral, 3 = agree, 4 = strongly agree.

SD = standard deviation.

*disagreement (category 0 and 1) is a favorable response.