COVID-19 pandemic and dental hygienists in Italy: a questionnaire survey

Table 1 Prevalence of sign/symptoms referable to COVID-19 in the different prevalence area

High prevalence area		Medium prevalence area		Low prevalence area		Prevalence on total sample
OF	%	OF	%	OF	%	OF	%
No symptoms/signs
1186	50.62	665	28.38	492	21.00	2343	81.61
One symptom/sign
45	42.45	10	9.43	51	48.11	106	3.69
Two symptoms/signs
53	45.30	12	10.26	52	44.44	117	4.08
Three or more symptoms/signs
130	42.62	41	13.44	134	43.94	305	10.62

χ²₍₆₎ = 149.01 p < 0.01 Effect size Cramer’s V = 0.16. Trend across categories of COVID19 prevalence areas z = 6.38 p < 0.01
OF Observed frequency, % Percentage

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