Supplementary Tables

Table S15. Mean difference of standard deviation (SD) between ChatGPT and PTs per question.

topic	question	criterion	mean difference SD between ChatGPT and PTs
timing of the day for training	Q7	Actionability	-0.131782601
timing of the day for training	Q7	Comprehensibility	0.128172516
timing of the day for training	Q7	Scientific correctness	-0.804059777
training around pain	Q6	Actionability	-1.013699052
training around pain	Q6	Comprehensibility	-1.061552813
training around pain	Q6	Scientific correctness	-0.334237951
training for fat loss	Q2	Actionability	0.19584231
training for fat loss	Q2	Comprehensibility	-0.256565336
training for fat loss	Q2	Scientific correctness	-0.01766691
training for fat loss	Q4	Actionability	0.052707882
training for fat loss	Q4	Comprehensibility	-0.115893286
training for fat loss	Q4	Scientific correctness	-0.242666042
training for fat loss	Q5	Actionability	0.638118931
training for fat loss	Q5	Comprehensibility	0.356393959
training for fat loss	Q5	Scientific correctness	0.215938357
training for fat loss	Q8	Actionability	-0.105565843
training for fat loss	Q8	Comprehensibility	-0.034754456
training for fat loss	Q8	Scientific correctness	-1.462899188
training for fat loss	Q9	Actionability	0.502929162
training for fat loss	Q9	Comprehensibility	0.5
training for fat loss	Q9	Scientific correctness	-0.058129128
training frequency	Q1	Actionability	-0.144918045
training frequency	Q1	Comprehensibility	-1.572025607
training frequency	Q1	Scientific correctness	-1.578524259
training motivation	Q3	Actionability	-1.407179419
training motivation	Q3	Comprehensibility	-0.4507505
training motivation	Q3	Scientific correctness	-0.72625733

Table S16. Mean difference of standard deviation (SD) between ChatGPT and PTs across all nine questions.

criterion	mean difference SD between ChatGPT and PTs across all 9 questions
Actionability	-0.157060742
Comprehensibility	-0.278552836
Scientific correctness	-0.556500248