Table 2.

Unweighted and reweighted demographics of the randomly sampled children and young people stratified by the sentiment of the free-text response provided at study enrollment (n=411).

			Positive sentiment (n=57)				Neutral sentiment (n=40)				Negative sentiment (n=314)
			Observed (%)		Reweighted (%)		Observed (%)		Reweighted (%)		Observed (%)		Reweighted (%)
COVID-19 status at index PCRa test
	SARS-CoV-2 positive	13.33		13.52		3.89		3.71		82.78		82.77
	SARS-CoV-2 negative	14.29		12.96		14.29		12.58		71.43		74.46
Sex
	Male	21.28		20.5		17.02		13.84		61.7		65.66
	Female	10		9.13		5.93		5.08		84.07		85.79
Age (y) at study invitation
	11-14	11.64		11.32		12.17		10.04		76.19		78.63
	15-17	15.77		14.86		7.66		6.7		76.58		78.43
Ethnicity
	Asian or Asian British	18.33		15.57		10		11.38		71.67		73.05
	Black British, African British, or Caribbean British	16.67		13.06		0		0		83.33		86.94
	White	12.01		12.13		10.71		8.85		77.27		79.01
	Mixed	28.57		24.83		4.76		2.31		66.67		72.86
	Other	0		0		0		0		100		100
	Prefer not to say	0		0		0		0		100		100
Region of residence (England)
	East Midlands	6.67		6.49		13.33		11.85		80		81.66
	East of England	11.11		14.02		11.11		11.54		77.78		74.44
	London	19.44		20.29		12.5		11.58		68.06		68.13
	North East England	5.56		4.71		16.67		13.17		77.78		82.12
	North West England	4.08		5.82		6.12		4.78		89.8		89.4
	South East England	22.5		17.97		10		8.46		67.5		73.57
	South West England	16		16.81		4		2.87		80		80.32
	West Midlands	16.22		15.91		2.7		2.72		81.08		81.37
	Yorkshire and the Humber	8.11		8.11		10.81		9.87		81.08		82.01
IMDb quintile
	1 (most deprived)	14.86		12.66		8.11		6.33		77.03		81.01
	2	17.5		16.35		11.25		10.35		71.25		73.3
	3	6.25		4.94		10		6.44		83.75		88.63
	4	10.99		14.08		6.59		7.24		82.42		78.68
	5 (least deprived)	19.77		19.1		12.79		11.37		67.44		69.53

^aPCR: polymerase chain reaction.

^bIMD: Index of Multiple Deprivation.