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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