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Table 1 Descriptive statistics of the dental anxiety scores, demographic and dental concern assessment variables

From: Predicting dental anxiety in young adults: classical statistical modelling approach versus machine learning approach

 

N

Frequency (%)

Sex

Female

135

69.40

Male

139

30.60

Age

Less than 24

309

68.10

25 to 34

84

18.50

35 to 44

29

6.40

45 to 54

24

5.30

55 or older

8

1.80

Dental visit

Yes

446

98.20

No

8

1.80

Frequency of dental visits*

Less than 3 months

115

25.30

3 months to < 6 months

89

19.60

6 months to < 12 months

90

19.80

More than 12 months

160

35.20

Household Income*

$0 - $24,999

126

27.80

$25,000 - $74,999

172

37.90

$75,000 - $124,999

119

26.20

$125,000 - $149,999

19

4.20

$150,000 and up

18

4.00

Level of Education

Doctoral Student

9

2.00

Graduate Student

142

31.30

Undergraduate Student

303

66.70

Sound or vibration of the drill

Low

142

31.30

Moderate

156

34.40

High

156

34.40

Dislike the numb feeling

Low

262

57.70

Moderate

152

26.70

High

71

15.60

Injection in the mouth

Low

97

21.40

Moderate

152

33.50

High

205

45.20

The sound or feel of scraping during teeth cleaning

Low

185

40.70

Moderate

140

30.80

High

129

28.40

Cold air on the teeth

Low

200

44.10

Moderate

154

33.90

High

100

22.00

Root canal treatment

Low

49

10.80

Moderate

97

21.40

High

308

67.80

Tooth removal

Low

53

11.70

Moderate

95

20.90

High

306

67.40

Fear of being injured

Low

167

36.80

Moderate

131

28.90

High

156

34.40

Panic attacks

Low

281

61.90

Moderate

100

22.00

High

73

16.10

Fear of feeling pain during treatment

Low

62

13.70

Moderate

147

32.40

High

245

54.00

Concern of being embarrassed

Low

269

59.30

Moderate

102

22.50

High

83

18.30

Smells in the dental office

Low

327

72.00

Moderate

89

19.60

High

38

8.40

Worried about needing a lot of dental treatment

Low

250

55.10

Moderate

102

22.50

High

102

22.50

Cost of the dental treatment

Low

127

28.00

Moderate

140

30.80

High

187

41.20

Dental anxiety Level

MDAS Scale

N

Prevalence (%)

No Anxiety

5 to 10

240

36.10

Moderate Anxiety

11 to 14

152

22.90

High Anxiety

15 to 18

143

21.50

Extreme Anxiety

19 to 25

130

19.50

 

Mean

Median

Variance

Standard Deviation

MDAS Score

13.73

13.00

30.35

5.51