Table 1 The distribution of the categorical demographic data and variables among the study participants.

From: Relationships between perception of black triangles appearance, personality factors and level of education

Categorical data and variables

n (Total = 435)

%

Group

 Dentists

  Total

110

25.3

  Females

76

17.5

  Males

34

7.8

 Clinical (4th and 5th years) dental students

  Total

110

25.3

  Females

77

17.7

  Males

33

7.6

 Pre-clinical (3rd year) dental students

  Total

104

23.9

  Females

70

16.1

  Males

34

7.8

 Laypeople

  Total

111

25.5

  Females

76

17.5

  Males

35

8.0

Gender

 Male

136

31.3

 Female

299

68.7

Marital status

 Single

310

71.3

 Married

125

28.7

Educational background

 Dental

324

74.5

 Non-dental

111

25.5

Education level (dental)

 Dental student

214

49.2

 Bachelors

41

9.4

 Higher studies

69

15.9

Education level (non-dental)

 Diploma

37

8.5

 Bachelors

59

13.6

 Higher studies

15

3.4