Table 2 One-way ANOVA: independent variables versus mean MDAS score

Sex

10.02

0.002

Age group

0.38

0.822

Dental visit

2.36

0.166

Frequency of dental visit

7.22

1.198e-4

Household Income

2.62

0.042

Level of Education

0.96

0.399

Fear of sound or vibration of the drill

156.20

< 2.2e-16

Dislike the numb feeling

40.45

2.99e-15

Fear of injection in the mouth

92.74

< 2.2e-16

Fear of sound or feel of scraping during teeth cleaning

62.69

< 2.2e-16

Fear of cold air on the teeth

34.98

4.316e-14

Fear of root canal treatment

114.26

< 2.2e-16

Tooth removal

158.04

< 2.2e-16

Fear of being injured

112.39

< 2.2e-16

Fear of panic attacks

112.20

< 2.2e-16

Fear of feeling pain during treatment

136.78

< 2.2e-16

Concern of being embarrassed

43.79

3.41e-16

Dislike Smells in the dental office

72.48

< 2.2e-16

Fear of needing a lot of dental treatment

73.36

< 2.2e-16

Fear of cost of the dental treatment

6.53

1.69 e-3