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Table 1 Characteristics of participants before and after the COVID-19 outbreak

From: The impact of COVID-19 on knowledge, attitude, and infection control behaviors among dentists

Characteristics of participants

Before COVID-19 (N = 276)

After COVID-19 (N = 251)

P-value

N

%

N

%

Gender

 Male

223

80.8

207

82.8

0.5526a

 Female

53

19.2

43

17.2

Age (years)

 â‰¤â€‰50

96

34.99

88

35.11

0.2896a

 51 ~ 60

82

29.91

89

35.46

 â‰¥â€‰61

96

35

74

29.51

Length of dental practice experience

 â‰¤â€‰10

56

20.35

39

15.55

0.1012a

 11 ~ 20

59

21.44

47

18.73

 21 ~ 30

95

34.56

82

32.67

 31 ~ 40

55

20

64

25.5

 > 40

10

3.62

19

7.59

Work day per week

 â‰¤â€‰5 days

172

62.76

169

67.33

0.2743a

 > 5 days

102

37.21

82

32.67

Number of patients treated per day

 0 ~ 10

48

17.78

54

21.6

0.3537a

 11 ~ 20

161

59.63

150

60

 > 20

61

22.59

46

18.4

Patient age group

Children or teenagers (≦19 years old)

10

4.59

4

1.88

0.0637b

 Adults (20 ~ 60 years old)

195

89.45

186

87.32

 Elderly patients (> 60 years old)

13

5.96

23

10.80

  1. Variables with missing values: Gender (after 1); Age (before 2); Length of practice (before 1); Working days per week (before 2); Number of patients treated per day (before 6; after 1); Patient age group (before 58; after 38)
  2. aChi-squared test
  3. bFisher exact test