Table 5 Quality comparison between the videos uploaded by professionals and non-professionals (P(Y-B): YouTube versus Bilibili; P(B-T): Bilibili versus TikTok; P(Y–T): YouTube versus TikTok. Bold text means the P-value < 0.05; aMann-Whitney U test; bContinuity correction; cFisher’s exact test).
Scores | Professionals(N1 = 216) | Non-professionals(N2 = 11) | P-value | ||||
|---|---|---|---|---|---|---|---|
M | Min–Max | P25-P75 | M | Min–Max | P25-P75 | ||
PEMAT-T | 7.1 | 0–14 | 5–10 | 8.5 | 5–11 | 8–9.7 | 0.251a |
PEMAT-A | 1.4 | 0–3 | 0–2 | 1.5 | 0–3 | 1–2 | 0.879a |
PEMAT-U | 5.7 | 0–11 | 4–8 | 7.1 | 5–9 | 7–7.5 | 0.163a |
VIQI-1 | 2.4 | 1–5 | 1–3 | 2.6 | 1–4 | 2–3 | 0.426a |
VIQI-2 | 3.9 | 0–5 | 4–5 | 4.6 | 4–5 | 4–5 | 0.008a |
VIQI-3 | 2.4 | 1–5 | 2–3 | 3.1 | 2–5 | 2.5–3.5 | 0.027a |
VIQI-4 | 3.3 | 0–5 | 2–4 | 4.3 | 3–5 | 3.5–5 | 0.021a |
VIQI-sum | 12.1 | 5–19 | 10–15 | 14.5 | 11–18 | 13–15.5 | 0.008a |
GQS | 2.9 | 1–5 | 2–4 | 3.5 | 3–4 | 3–4 | 0.036a |
mDISCERN-sum | 2.5 | 0–4 | 2–3 | 2.9 | 2–3 | 3–3 | 0.265a |
mDISCERN-1 | 166(76.9%) | 11(100%) | 0.152b | ||||
mDISCERN-2 | 190(88.0%) | 10(90.9%) | 1.000b | ||||
mDISCERN-3 | 165(76.4%) | 11(100%) | 0.144b | ||||
mDISCERN-4 | 23(10.6%) | 0 | 0.529b | ||||
mDISCERN-5 | 1(0.5%) | 0 | 1.000c | ||||
