Association of educational and video quality scores by content creator type. Professional provider: board-certified otolaryngologist MD/DO (n = 1), non-otolaryngology MD/DO (n = 3), non-physician healthcare provider (i.e dentists, PharmD, DPT, RN, NP, PA) (n = 10), licensed professional non-healthcare providers (i.e acupuncturists) (n = 13). Non-professional/patient: patients (n = 320) and other content creator (n = 16).

Table 3: Association of educational and video quality scores by content creator type. Professional provider: board-certified otolaryngologist MD/DO (n = 1), non-otolaryngology MD/DO (n = 3), non-physician healthcare provider (i.e dentists, PharmD, DPT, RN, NP, PA) (n = 10), licensed professional non-healthcare providers (i.e acupuncturists) (n = 13). Non-professional/patient: patients (n = 320) and other content creator (n = 16).

Grading System	Content Creator Type	Mean	Standard Deviation	p
AVQ	Professional	2.06	0.55	0.006^*
AVQ	Non-professional/patient	1.76	0.46	0.006^*
GQS	Professional	3.06	0.83	< 0.001^*
GQS	Non-professional/patient	2.02	0.45	< 0.001^*
DISCERN	Professional	10.4	3.36	< 0.001^*
DISCERN	Non-professional/patient	6.26	0.92	< 0.001^*
PEMAT-U	Professional	75.4	18.6	0.101
PEMAT-U	Non-professional/patient	81.7	19.7	0.101
PEMAT-A	Professional	76	41.4	< 0.001^*
PEMAT-A	Non-professional/patient	55.6	29.6	< 0.001^*
JAMA Benchmark Criteria	Professional	1.1	0.29	< 0.0001^*
JAMA Benchmark Criteria	Non-professional/patient	0.05	0.23	< 0.0001^*

p = p-value, * = significant (a = 0.05). AVQ: Audiovisual Quality Scale; GQS: Global Quality Scale; PEMAT-U/A: Patient Education Materials Assessment Tool-Understandability/Actionability.