Table 3: Comparison of DDQ items between healthy children and children with ID in groups with dental caries.

Items of the DDQFrequencyHealthy children (%)Children with ID (%) value

Problems with brushing upper teethNever44 (83)24 (80)0.350.84
Occasionally2 (3.8)2 (6.7)
Always7 (13.2)4 (13.3)

Problems with brushing lower teethNever44 (83)25 (83.3)0.280.87
Occasionally3 (5.7)1 (3.3)
Always6 (11.3)4 (13.3)

Puts away something nice to eatNever42 (79.2)20 (64.5)2.420.3
Occasionally3 (5.7)4 (12.9)
Always8 (15.1)7 (22.6)

Bites with molar instead of front teethNever47 (88.7)26 (89.7)0.570.75
Occasionally1 (1.9)0 (0)
Always5 (9.4)3 (10.3)

Chewing at one sideNever34 (65.4)26 (89.7)6.260.04*
Occasionally2 (3.8)1 (3.4)
Always16 (30.8)2 (6.9)

Problems chewingNever37 (71.2)21 (72.4)0.020.99
Occasionally2 (3.8)1 (3.4)
Always13 (25)7 (24.1)

Reaching for the cheek while eatingNever28 (52.8)18 (62.1)0.670.71
Occasionally4 (7.5)2 (6.9)
Always21 (39.6)9 (31)

Crying at nightNever42 (79.2)22 (71)1.60.45
Occasionally3 (5.7)1 (3.2)
Always8 (15.1)8 (25.8)

Crying during mealsNever40 (75.5)23 (76.7)5.730.06
Occasionally7 (13.2)0 (0)
Always6 (11.3)7 (23.3)

Earache at nightNever51 (96.2)33 (100)1.20.55
Occasionally1 (1.9)0 (0)
Always1 (1.9)0 (0)

Earache at daytimeNever52 (98.1)33 (100)1.00
Occasionally1 (1.9)0 (0)
Always0 (0)0 (0)

Earache during eatingNever53 (100)33 (100)
Occasionally0 (0)0 (0)
Always0 (0)0 (0)

Excessive salivationNever52 (98.1)25 (80.6)0.01*
Occasionally0 (0)0 (0)
Always1 (1.9)6 (19.4)

Putting hand inside mouthNever47 (88.7)21 (70)11.450.003*
Occasionally6 (11.3)3 (10)
Always0 (0)6 (20)

*Statistically significant at α = 0.05.