TikTok talks teeth: a quantitative and qualitative analysis of fixed appliance related TikTok videos

Figure 1.

Figure 2.

Figure 3.

Statistics of video characteristics

	Minimum	Maximum	Median	Sum	Mean	Standard deviation	95% confidence interval
			Quantitative characteristics
Followers	8	1 3100000	96700	150019732	1 103086.27	2829524.37	1087843.43 - 1 1 18329.10
Views	1039	61000000	1150000	455403698	3348556.60	6881681.44	331 1484.52 - 3385628.69
Likes	33	5900000	99200	50358071	370279.93	782357.1 1	366065.32 - 374494.55
Comments	0	25600	560.5	246243	1810.61	3448.63	1792.03 - 1829.19
Video lengths	5	104	23	3802	27.96	18.92	27.85 - 28.06
Days since uploads	1	43138	158.5	73204	538.26	3715.19	518.40 - 558.13
			Qualitative characteristics
Content score	0	4	1	178	1.31	0.89	1.16 - 1.46
DISCERN score	0	3	2	297	2.18	0.89	2.03 - 2.33
GQS score	1	5	2	321	2.36	1.27	2.14 - 2.58

Different categories of videos uploaded by professionals and laypersons_ Data represents mean ± standard deviation (95% confidence interval)

	Professionals			Laypersons
	Humour	Experience	Educational	Humour	Experience	Educational
Followers	1241720.21 ± 1978166.34	5936238.33 ± 6632620.12	1465190.51 ± 3388780.70	1 128325.67± 2298073.93	473601.08 ± 1856479.58	61 9771.29 ± 980368.76
	(-1214497.93 - 3697937.93)	(-10540103.43 - 22412580.10)	(569598.50 - 2360782.52)	(-144305.26 - 2400956.59)	(-35909.47 - 9831 1 1 .63)	(-286918.60 - 1526461.17)
Views	1806660 ± 846706.43	2547266.67 ± 141 2672.08	3508537.80 ± 8357959.8)	3859461.47 ± 5286519.17	31 83058.77 ± 6269260.90	3647300 ± 646738 1.79
	(755335.11 - 2857984.89)	(-962005.33 - 6056538.66)	(1299683.73 - 5717391.87)	(931 884.73 - 6787038.20)	(1462461.03 - 4903656.50)	(-2334030.55 - 9628630.55)
Likes	265501.2 ± 283698.88	316366.67 ± 197388.2)	325057.29 ± 813046.26	373681.40± 139460.63	392841 .57 ± 729050.82	651881.86 ± 1521733.16
	(-86757.48 - 617759.88)	(-173972.82 - 806706.15)	(110184.22 - 539930.37)	(296450.68 - 450912.12)	(192753.68 - 592929.46)	(-755486.58 - 2059250.30)
Comments	1839.8 ± 1953.92	727 ± 391 .28	1877.84 ± 21 13.55	1 220.80 ± 1 1 34.4)	1676.04 ± 3802.23	3970.29 ± 9540.66
	(-586.32 - 4265.92)	(-244.98 - 1698.98)	(1319.27 - 2436.41)	(592.59 - 1 849.01)	(632.52 - 2719.56)	(-4853.36 - 12793.93)
Video lengths	13.40 ± 6.03	28.67 ± 22.81	30.29 ± 15.02	21 .60 ± 14	26 ± 22.64	46 ± 19.04
	(5.92 - 20.88)	(-28 - 85.33)	(26.32 - 34.26)	(1 3.85 - 29.35)	(20.20 - 32.62)	(28.39 - 63.61)
Days since	176.25 ± 309.42	1 12.67± 131.79	213.85 ± 168.89	146.27± 301.89	1086.88 ± 601 1.63	242 ± 254.63
uploads	(-207.94 - 560.44)	(-214.73 - 440.06)	(169.22 - 258.49)	(-20.91 - 313.45)	(-563.01 - 2736.77)	(6.51 - 477.49)

Comparison of qualitative characteristics between layperson and professional uploaders

Score types	Professional	Layperson	Difference	95% CI of the Difference		P-value
DISCERN	2.714 ± 0.580	1.726 ± 0.854	0.988 ± -0.274	0.714	1.262	P < 0.01
Global Quality Scale (GQS)	3.238 ± 1.088	1.603 ± 0.909	1.635 ± 0.179	1.456	1.814	P < 0.01
Content Score	1.571 ± 0.837	1.082 ± 0.878	0.489 ± -0.041	0.448	0.530	P < 0.01