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Table 2 Descriptive analysis of questions related to the B-ECOHIS questionnaire (n = 1050)

From: Impact of primary dentition malocclusion on the oral health-related quality of life in preschoolers

Question

Never

Hardly ever

Occasionally

Often

Very often

Don’t know

n

%

n

%

n

%

n

%

n

%

n

%

Child impact

Related pain

765

72.9

112

10.7

133

12.7

6

0.6

4

0.4

25

2.4

Had difficulty drinking hot or cold beverages

920

87.6

44

4.2

51

4.9

8

0.7

1

0.1

23

2.2

Had difficulty eating some foods

908

86.5

45

4.3

71

6.8

6

0.6

4

0.4

12

1.1

Had difficulty pronouncing words

887

84.5

28

2.7

51

4.9

15

1.4

7

0.7

60

5.7

Missed preschool, day care or school

939

89.4

45

4.3

57

5.4

4

0.4

1

0.1

3

0.3

Had trouble sleeping

942

89.7

35

3.3

43

4.1

7

0.7

4

0.4

14

1.3

Been irritable or frustrated

880

83.8

59

5.6

77

7.3

7

0.7

2

0.2

20

1.9

Avoided smiling or laughing

1010

96.2

13

1.2

13

1.2

3

0.3

3

0.3

8

0.7

Avoided talking

1005

95.7

19

1.8

12

1.1

1

0.1

1

0.1

9

0.9

Family impact

Been upset

837

79.7

38

3.6

127

12.1

20

1.9

15

1.4

7

0.7

Felt guilty

811

77.2

39

3.7

116

11.0

25

2.4

12

1.1

8

0.7

Taken time off work

918

87.4

37

3.5

77

7.3

9

0.9

0

0.0

5

0.5

Financial impact

932

88.8

27

2.6

64

6.1

12

1.1

5

0.5

8

0.7