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Table 2 Frequency of ‘sometimes’ and ‘often’ for each Dental Discomfort Questionnaire–Brazilian version (DDQ-B) item and DDQ-B total scores for different clinical groups

From: Screening preschool children with toothache: validation of the Brazilian version of the Dental Discomfort Questionnaire

Pain-related behaviors from the DDQ-B (‘sometimes’ and ‘often’) n (%)
Children with decayed teeth and a toothache Children with decayed teeth without a toothache Children without decayed teeth with a toothache Children without decayed teeth or a toothache
Bites with molar instead of front teeth 70 (62.5)a 27 (60.0)a 8 (53.3)a,b 33 (43.4)b
Puts away something nice to eat 58 (51.8)a 12 (26.1)b 1 (6.7)b 12 (15.8)b
Crying during meals 68 (60.7)a 8 (17.4)b 3 (20.0)b 10 (13.2)b
Problems chewing 61 (54.5)a 12 (27.3)b 2 (13.3)b 11 (14.5)b
Chewing on one side 54 (61.4)a 12 (34.3)b 3 (23.1)b,c 10 (15.9)c
Reaching for the cheek while eating 68 (60.7)a 9 (20.4)b 4 (26.7)b 8 (10.5)b
Suddenly cries at night 64 (57.1)a 16 (36.4)b 7 (46.7)b 21 (27.6)b
Median total DDQ-B score (first-third quartile) 5.0 (2.5-7.0)a 2.0 (1.0-4.0)b 2.0 (1.0-3.5)b,c 1.0 (0-2.0)c
  1. The same letter indicates an insignificant difference, whereas different letters indicate significant differences (P < 0.05) among groups.