Table 2. Results for all survey items (n = 309).

Note. The significance of the results was determined using t-tests, with significance defined as p < 0.05.

Measure Outcomes (mean ± SD)	Medical avatar group (n = 160)	Nonmedical avatar group (n = 149)	p-value
This video will cause changes in my behavior.	4.22 ± 1.21	3.93 ± 1.46	0.058
This video causes me to make some changes in my behavior.	4.21 ± 1.31	3.89 ± 1.48	0.046
After viewing this video, I will make changes in my attitude.	3.71 ± 1.35	3.50 ± 1.42	0.173
This video is accurate.	5.11 ± 1.25	4.95 ± 1.47	0.307
This video is trustworthy.	4.81 ± 1.35	4.58 ± 1.39	0.157
I believe this video is true.	5.36 ± 1.20	5.19 ± 1.53	0.288
This video has the potential to change viewer behavior.	4.47 ± 1.44	4.17 ± 1.44	0.062
This video has the potential to influence viewer behavior.	4.59 ± 1.45	4.26 ± 1.46	0.046
This video has the potential to inspire viewers.	4.32 ± 1.44	4.02 ± 1.50	0.076
Perceived persuasiveness (total points)	40.79 ± 9.39	38.48 ± 10.65	0.044
How knowledgeable does this avatar appear?	5.70 ± 2.13	4.86 ± 2.08	0.001
How trustworthy does this avatar appear?	5.55 ± 2.22	4.77 ± 2.09	0.002
How caring does this avatar appear?	5.77 ± 2.34	5.17 ± 2.16	0.020
How approachable does this avatar appear?	5.67 ± 2.48	5.36 ± 2.21	0.253
How comfortable does this avatar make you feel?	5.61 ± 2.48	5.14 ± 2.23	0.084
Acceptability (total points)	28.29 ± 10.67	25.30 ± 9.38	0.009
I have the confidence to move my body even when I am a little tired.	2.80 ± 1.17	2.63 ± 1.21	0.214
I have the confidence to move my body even when I am not in the best mood.	2.56 ± 1.17	2.49 ± 1.20	0.625
I have the confidence to move my body even when I am busy and have no time.	2.48 ± 1.18	2.36 ± 1.18	0.404
I have the confidence to move my body even during holidays or breaks. (irrelevant item)	–	–	–
I have the confidence to move my body even when the weather is not very good.	2.59 ± 1.18	2.56 ± 1.17	0.785
Exercise self-efficacy (total points)	10.43 ± 4.09	10.04 ± 4.25	0.419