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Table 3 Comparison of the effects of COVID-19 on the oral hygiene behaviour of preschool children (N, %)

From: The impact of coronavirus lockdown on oral healthcare and its associated issues of pre-schoolers in China: an online cross-sectional survey

Items

City

P value

Wuhan

Others

Brushing

  

0.002

 Yes

1552 (96.9)a

2749 (95.0)b

 

 No

49 (3.1)a

145 (5.0)b

 

Brushing frequency

  

0.000

 Over twice per day

861 (55.5)a

1276 (46.4)b

 

 Once per day

616 (39.7)a

1196 (43.5)b

 

 Not everyday

75 (4.8)a

277 (10.1)b

 

Brushing frequency change

  

0.000

 Increase

147 (9.5)

292 (10.6)

 

 Decrease

97 (6.3)a

273 (10.0)b

 

 No change

1303 (84.2)a

2178 (79.4)b

 

Help brushing

  

0.008

 Everyday

432 (27.8)

708 (25.8)

 

 Often

384 (24.7)a

771 (28.0)b

 

 Occasionally

416 (26.8)

787 (28.6)

 

 Never

320 (20.6)a

483 (17.6)b

 
  1. a,bMean there were significantly different
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